[{"extern":"1","scopus_import":"1","pmid":1,"title":"Constructing next-generation CRISPR–Cas tools from structural blueprints","language":[{"iso":"eng"}],"volume":78,"keyword":["Biomedical Engineering","Bioengineering","Biotechnology"],"day":"01","abstract":[{"lang":"eng","text":"Clustered regularly interspaced short palindromic repeats - CRISPR-associated protein (CRISPR-Cas) systems are a critical component of the bacterial adaptive immune response. Since the discovery that they can be reengineered as programmable RNA-guided nucleases, there has been significant interest in using these systems to perform diverse and precise genetic manipulations. Here, we outline recent advances in the mechanistic understanding of CRISPR-Cas9, how these findings have been leveraged in the rational redesign of Cas9 variants with altered activities, and how these novel tools can be exploited for biotechnology and therapeutics. We also discuss the potential of the ubiquitous, yet often-overlooked, multisubunit CRISPR effector complexes for large-scale genomic deletions. Furthermore, we highlight how future structural studies will bolster these technologies."}],"date_created":"2024-03-20T10:41:53Z","publication":"Current Opinion in Biotechnology","type":"journal_article","citation":{"ama":"Bravo JPK, Hibshman GN, Taylor DW. Constructing next-generation CRISPR–Cas tools from structural blueprints. <i>Current Opinion in Biotechnology</i>. 2022;78. doi:<a href=\"https://doi.org/10.1016/j.copbio.2022.102839\">10.1016/j.copbio.2022.102839</a>","apa":"Bravo, J. P. K., Hibshman, G. N., &#38; Taylor, D. W. (2022). Constructing next-generation CRISPR–Cas tools from structural blueprints. <i>Current Opinion in Biotechnology</i>. Elsevier. <a href=\"https://doi.org/10.1016/j.copbio.2022.102839\">https://doi.org/10.1016/j.copbio.2022.102839</a>","ieee":"J. P. K. Bravo, G. N. Hibshman, and D. W. Taylor, “Constructing next-generation CRISPR–Cas tools from structural blueprints,” <i>Current Opinion in Biotechnology</i>, vol. 78. Elsevier, 2022.","mla":"Bravo, Jack Peter Kelly, et al. “Constructing Next-Generation CRISPR–Cas Tools from Structural Blueprints.” <i>Current Opinion in Biotechnology</i>, vol. 78, 102839, Elsevier, 2022, doi:<a href=\"https://doi.org/10.1016/j.copbio.2022.102839\">10.1016/j.copbio.2022.102839</a>.","short":"J.P.K. Bravo, G.N. Hibshman, D.W. Taylor, Current Opinion in Biotechnology 78 (2022).","chicago":"Bravo, Jack Peter Kelly, Grace N Hibshman, and David W Taylor. “Constructing Next-Generation CRISPR–Cas Tools from Structural Blueprints.” <i>Current Opinion in Biotechnology</i>. Elsevier, 2022. <a href=\"https://doi.org/10.1016/j.copbio.2022.102839\">https://doi.org/10.1016/j.copbio.2022.102839</a>.","ista":"Bravo JPK, Hibshman GN, Taylor DW. 2022. Constructing next-generation CRISPR–Cas tools from structural blueprints. Current Opinion in Biotechnology. 78, 102839."},"external_id":{"pmid":["36371895"]},"intvolume":"        78","quality_controlled":"1","author":[{"id":"96aecfa5-8931-11ee-af30-aa6a5d6eee0e","full_name":"Bravo, Jack Peter Kelly","first_name":"Jack Peter Kelly","last_name":"Bravo","orcid":"0000-0003-0456-0753"},{"first_name":"Grace N","full_name":"Hibshman, Grace N","last_name":"Hibshman"},{"last_name":"Taylor","first_name":"David W","full_name":"Taylor, David W"}],"doi":"10.1016/j.copbio.2022.102839","_id":"15132","date_published":"2022-12-01T00:00:00Z","article_type":"review","month":"12","publication_status":"published","date_updated":"2024-10-14T12:34:11Z","publisher":"Elsevier","article_processing_charge":"No","article_number":"102839","publication_identifier":{"issn":["0958-1669"]},"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","oa_version":"None","status":"public","year":"2022"},{"date_created":"2024-03-20T10:41:59Z","day":"27","abstract":[{"text":"In the evolutionary arms race against phage, bacteria have assembled a diverse arsenal of antiviral immune strategies. While the recently discovered DISARM (Defense Island System Associated with Restriction-Modification) systems can provide protection against a wide range of phage, the molecular mechanisms that underpin broad antiviral targeting but avoiding autoimmunity remain enigmatic. Here, we report cryo-EM structures of the core DISARM complex, DrmAB, both alone and in complex with an unmethylated phage DNA mimetic. These structures reveal that DrmAB core complex is autoinhibited by a trigger loop (TL) within DrmA and binding to DNA substrates containing a 5′ overhang dislodges the TL, initiating a long-range structural rearrangement for DrmAB activation. Together with structure-guided in vivo studies, our work provides insights into the mechanism of phage DNA recognition and specific activation of this widespread antiviral defense system.","lang":"eng"}],"keyword":["General Physics and Astronomy","General Biochemistry","Genetics and Molecular Biology","General Chemistry","Multidisciplinary"],"volume":13,"main_file_link":[{"url":"https://doi.org/10.1038/s41467-022-30673-1","open_access":"1"}],"language":[{"iso":"eng"}],"title":"Structural basis for broad anti-phage immunity by DISARM","pmid":1,"extern":"1","scopus_import":"1","_id":"15133","doi":"10.1038/s41467-022-30673-1","author":[{"id":"96aecfa5-8931-11ee-af30-aa6a5d6eee0e","first_name":"Jack Peter Kelly","full_name":"Bravo, Jack Peter Kelly","last_name":"Bravo","orcid":"0000-0003-0456-0753"},{"full_name":"Aparicio-Maldonado, Cristian","first_name":"Cristian","last_name":"Aparicio-Maldonado"},{"last_name":"Nobrega","first_name":"Franklin L.","full_name":"Nobrega, Franklin L."},{"last_name":"Brouns","first_name":"Stan J. J.","full_name":"Brouns, Stan J. J."},{"first_name":"David W.","full_name":"Taylor, David W.","last_name":"Taylor"}],"quality_controlled":"1","intvolume":"        13","external_id":{"pmid":["35624106"]},"citation":{"mla":"Bravo, Jack Peter Kelly, et al. “Structural Basis for Broad Anti-Phage Immunity by DISARM.” <i>Nature Communications</i>, vol. 13, 2987, Springer Nature, 2022, doi:<a href=\"https://doi.org/10.1038/s41467-022-30673-1\">10.1038/s41467-022-30673-1</a>.","ieee":"J. P. K. Bravo, C. Aparicio-Maldonado, F. L. Nobrega, S. J. J. Brouns, and D. W. Taylor, “Structural basis for broad anti-phage immunity by DISARM,” <i>Nature Communications</i>, vol. 13. Springer Nature, 2022.","ama":"Bravo JPK, Aparicio-Maldonado C, Nobrega FL, Brouns SJJ, Taylor DW. Structural basis for broad anti-phage immunity by DISARM. <i>Nature Communications</i>. 2022;13. doi:<a href=\"https://doi.org/10.1038/s41467-022-30673-1\">10.1038/s41467-022-30673-1</a>","apa":"Bravo, J. P. K., Aparicio-Maldonado, C., Nobrega, F. L., Brouns, S. J. J., &#38; Taylor, D. W. (2022). Structural basis for broad anti-phage immunity by DISARM. <i>Nature Communications</i>. Springer Nature. <a href=\"https://doi.org/10.1038/s41467-022-30673-1\">https://doi.org/10.1038/s41467-022-30673-1</a>","ista":"Bravo JPK, Aparicio-Maldonado C, Nobrega FL, Brouns SJJ, Taylor DW. 2022. Structural basis for broad anti-phage immunity by DISARM. Nature Communications. 13, 2987.","short":"J.P.K. Bravo, C. Aparicio-Maldonado, F.L. Nobrega, S.J.J. Brouns, D.W. Taylor, Nature Communications 13 (2022).","chicago":"Bravo, Jack Peter Kelly, Cristian Aparicio-Maldonado, Franklin L. Nobrega, Stan J. J. Brouns, and David W. Taylor. “Structural Basis for Broad Anti-Phage Immunity by DISARM.” <i>Nature Communications</i>. Springer Nature, 2022. <a href=\"https://doi.org/10.1038/s41467-022-30673-1\">https://doi.org/10.1038/s41467-022-30673-1</a>."},"publication":"Nature Communications","type":"journal_article","article_number":"2987","article_processing_charge":"Yes","oa":1,"publisher":"Springer Nature","publication_status":"published","date_updated":"2024-06-04T06:16:38Z","month":"05","date_published":"2022-05-27T00:00:00Z","article_type":"original","status":"public","year":"2022","oa_version":"Published Version","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","publication_identifier":{"issn":["2041-1723"]}},{"scopus_import":"1","extern":"1","pmid":1,"language":[{"iso":"eng"}],"main_file_link":[{"open_access":"1","url":"https://doi.org/10.1038/s41467-022-30402-8"}],"title":"Structural rearrangements allow nucleic acid discrimination by type I-D Cascade","keyword":["General Physics and Astronomy","General Biochemistry","Genetics and Molecular Biology","General Chemistry","Multidisciplinary"],"volume":13,"date_created":"2024-03-20T10:42:05Z","day":"20","abstract":[{"text":"CRISPR-Cas systems are adaptive immune systems that protect prokaryotes from foreign nucleic acids, such as bacteriophages. Two of the most prevalent CRISPR-Cas systems include type I and type III. Interestingly, the type I-D interference proteins contain characteristic features of both type I and type III systems. Here, we present the structures of type I-D Cascade bound to both a double-stranded (ds)DNA and a single-stranded (ss)RNA target at 2.9 and 3.1 Å, respectively. We show that type I-D Cascade is capable of specifically binding ssRNA and reveal how PAM recognition of dsDNA targets initiates long-range structural rearrangements that likely primes Cas10d for Cas3′ binding and subsequent non-target strand DNA cleavage. These structures allow us to model how binding of the anti-CRISPR protein AcrID1 likely blocks target dsDNA binding via competitive inhibition of the DNA substrate engagement with the Cas10d active site. This work elucidates the unique mechanisms used by type I-D Cascade for discrimination of single-stranded and double stranded targets. Thus, our data supports a model for the hybrid nature of this complex with features of type III and type I systems.","lang":"eng"}],"type":"journal_article","publication":"Nature Communications","external_id":{"pmid":["35595728"]},"citation":{"ama":"Schwartz EA, McBride TM, Bravo JPK, et al. Structural rearrangements allow nucleic acid discrimination by type I-D Cascade. <i>Nature Communications</i>. 2022;13. doi:<a href=\"https://doi.org/10.1038/s41467-022-30402-8\">10.1038/s41467-022-30402-8</a>","apa":"Schwartz, E. A., McBride, T. M., Bravo, J. P. K., Wrapp, D., Fineran, P. C., Fagerlund, R. D., &#38; Taylor, D. W. (2022). Structural rearrangements allow nucleic acid discrimination by type I-D Cascade. <i>Nature Communications</i>. Springer Nature. <a href=\"https://doi.org/10.1038/s41467-022-30402-8\">https://doi.org/10.1038/s41467-022-30402-8</a>","mla":"Schwartz, Evan A., et al. “Structural Rearrangements Allow Nucleic Acid Discrimination by Type I-D Cascade.” <i>Nature Communications</i>, vol. 13, 2829, Springer Nature, 2022, doi:<a href=\"https://doi.org/10.1038/s41467-022-30402-8\">10.1038/s41467-022-30402-8</a>.","ieee":"E. A. Schwartz <i>et al.</i>, “Structural rearrangements allow nucleic acid discrimination by type I-D Cascade,” <i>Nature Communications</i>, vol. 13. Springer Nature, 2022.","short":"E.A. Schwartz, T.M. McBride, J.P.K. Bravo, D. Wrapp, P.C. Fineran, R.D. Fagerlund, D.W. Taylor, Nature Communications 13 (2022).","chicago":"Schwartz, Evan A., Tess M. McBride, Jack Peter Kelly Bravo, Daniel Wrapp, Peter C. Fineran, Robert D. Fagerlund, and David W. Taylor. “Structural Rearrangements Allow Nucleic Acid Discrimination by Type I-D Cascade.” <i>Nature Communications</i>. Springer Nature, 2022. <a href=\"https://doi.org/10.1038/s41467-022-30402-8\">https://doi.org/10.1038/s41467-022-30402-8</a>.","ista":"Schwartz EA, McBride TM, Bravo JPK, Wrapp D, Fineran PC, Fagerlund RD, Taylor DW. 2022. Structural rearrangements allow nucleic acid discrimination by type I-D Cascade. Nature Communications. 13, 2829."},"intvolume":"        13","quality_controlled":"1","author":[{"last_name":"Schwartz","first_name":"Evan A.","full_name":"Schwartz, Evan A."},{"first_name":"Tess M.","full_name":"McBride, Tess M.","last_name":"McBride"},{"id":"96aecfa5-8931-11ee-af30-aa6a5d6eee0e","first_name":"Jack Peter Kelly","full_name":"Bravo, Jack Peter Kelly","last_name":"Bravo","orcid":"0000-0003-0456-0753"},{"full_name":"Wrapp, Daniel","first_name":"Daniel","last_name":"Wrapp"},{"full_name":"Fineran, Peter C.","first_name":"Peter C.","last_name":"Fineran"},{"full_name":"Fagerlund, Robert D.","first_name":"Robert D.","last_name":"Fagerlund"},{"last_name":"Taylor","first_name":"David W.","full_name":"Taylor, David W."}],"_id":"15134","doi":"10.1038/s41467-022-30402-8","date_updated":"2024-06-04T06:14:28Z","publication_status":"published","article_type":"original","month":"05","date_published":"2022-05-20T00:00:00Z","publisher":"Springer Nature","oa":1,"article_processing_charge":"Yes","article_number":"2829","publication_identifier":{"issn":["2041-1723"]},"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","oa_version":"Published Version","status":"public","year":"2022"},{"publication":"Nature","type":"journal_article","citation":{"apa":"Bravo, J. P. K., Liu, M.-S., Hibshman, G. N., Dangerfield, T. L., Jung, K., McCool, R. S., … Taylor, D. W. (2022). Structural basis for mismatch surveillance by CRISPR–Cas9. <i>Nature</i>. Springer Nature. <a href=\"https://doi.org/10.1038/s41586-022-04470-1\">https://doi.org/10.1038/s41586-022-04470-1</a>","ama":"Bravo JPK, Liu M-S, Hibshman GN, et al. Structural basis for mismatch surveillance by CRISPR–Cas9. <i>Nature</i>. 2022;603(7900):343-347. doi:<a href=\"https://doi.org/10.1038/s41586-022-04470-1\">10.1038/s41586-022-04470-1</a>","ieee":"J. P. K. Bravo <i>et al.</i>, “Structural basis for mismatch surveillance by CRISPR–Cas9,” <i>Nature</i>, vol. 603, no. 7900. Springer Nature, pp. 343–347, 2022.","mla":"Bravo, Jack Peter Kelly, et al. “Structural Basis for Mismatch Surveillance by CRISPR–Cas9.” <i>Nature</i>, vol. 603, no. 7900, Springer Nature, 2022, pp. 343–47, doi:<a href=\"https://doi.org/10.1038/s41586-022-04470-1\">10.1038/s41586-022-04470-1</a>.","chicago":"Bravo, Jack Peter Kelly, Mu-Sen Liu, Grace N. Hibshman, Tyler L. Dangerfield, Kyungseok Jung, Ryan S. McCool, Kenneth A. Johnson, and David W. Taylor. “Structural Basis for Mismatch Surveillance by CRISPR–Cas9.” <i>Nature</i>. Springer Nature, 2022. <a href=\"https://doi.org/10.1038/s41586-022-04470-1\">https://doi.org/10.1038/s41586-022-04470-1</a>.","short":"J.P.K. Bravo, M.-S. Liu, G.N. Hibshman, T.L. Dangerfield, K. Jung, R.S. McCool, K.A. Johnson, D.W. Taylor, Nature 603 (2022) 343–347.","ista":"Bravo JPK, Liu M-S, Hibshman GN, Dangerfield TL, Jung K, McCool RS, Johnson KA, Taylor DW. 2022. Structural basis for mismatch surveillance by CRISPR–Cas9. Nature. 603(7900), 343–347."},"external_id":{"pmid":["35236982"]},"intvolume":"       603","quality_controlled":"1","page":"343-347","author":[{"first_name":"Jack Peter Kelly","full_name":"Bravo, Jack Peter Kelly","id":"96aecfa5-8931-11ee-af30-aa6a5d6eee0e","orcid":"0000-0003-0456-0753","last_name":"Bravo"},{"last_name":"Liu","full_name":"Liu, Mu-Sen","first_name":"Mu-Sen"},{"full_name":"Hibshman, Grace N.","first_name":"Grace N.","last_name":"Hibshman"},{"last_name":"Dangerfield","first_name":"Tyler L.","full_name":"Dangerfield, Tyler L."},{"full_name":"Jung, Kyungseok","first_name":"Kyungseok","last_name":"Jung"},{"full_name":"McCool, Ryan S.","first_name":"Ryan S.","last_name":"McCool"},{"full_name":"Johnson, Kenneth A.","first_name":"Kenneth A.","last_name":"Johnson"},{"last_name":"Taylor","first_name":"David W.","full_name":"Taylor, David W."}],"doi":"10.1038/s41586-022-04470-1","_id":"15136","scopus_import":"1","extern":"1","pmid":1,"title":"Structural basis for mismatch surveillance by CRISPR–Cas9","related_material":{"link":[{"relation":"erratum","url":"https://doi.org/10.1038/s41586-022-04655-8"}]},"language":[{"iso":"eng"}],"main_file_link":[{"url":"https://doi.org/10.1038/s41586-022-04470-1","open_access":"1"}],"volume":603,"abstract":[{"lang":"eng","text":"CRISPR–Cas9 as a programmable genome editing tool is hindered by off-target DNA cleavage1,2,3,4, and the underlying mechanisms by which Cas9 recognizes mismatches are poorly understood5,6,7. Although Cas9 variants with greater discrimination against mismatches have been designed8,9,10, these suffer from substantially reduced rates of on-target DNA cleavage5,11. Here we used kinetics-guided cryo-electron microscopy to determine the structure of Cas9 at different stages of mismatch cleavage. We observed a distinct, linear conformation of the guide RNA–DNA duplex formed in the presence of mismatches, which prevents Cas9 activation. Although the canonical kinked guide RNA–DNA duplex conformation facilitates DNA cleavage, we observe that substrates that contain mismatches distal to the protospacer adjacent motif are stabilized by reorganization of a loop in the RuvC domain. Mutagenesis of mismatch-stabilizing residues reduces off-target DNA cleavage but maintains rapid on-target DNA cleavage. By targeting regions that are exclusively involved in mismatch tolerance, we provide a proof of concept for the design of next-generation high-fidelity Cas9 variants."}],"day":"02","date_created":"2024-03-20T10:42:21Z","publication_identifier":{"issn":["0028-0836"],"eissn":["1476-4687"]},"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","oa_version":"Published Version","year":"2022","issue":"7900","status":"public","month":"03","date_published":"2022-03-02T00:00:00Z","article_type":"original","publication_status":"published","date_updated":"2024-06-04T06:36:59Z","publisher":"Springer Nature","oa":1,"article_processing_charge":"Yes (in subscription journal)"},{"publication":"Genetic Engineering & Biotechnology News","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","type":"journal_article","publication_identifier":{"eissn":["1937-8661"],"issn":["1935-472X"]},"intvolume":"        42","citation":{"chicago":"Bravo, Jack Peter Kelly. “SuperFi-Cas9 Exceeds Fidelity, Matches Speed of Original Cas9.” <i>Genetic Engineering &#38; Biotechnology News</i>. Mary Ann Liebert, 2022. <a href=\"https://doi.org/10.1089/gen.42.04.03\">https://doi.org/10.1089/gen.42.04.03</a>.","short":"J.P.K. Bravo, Genetic Engineering &#38; Biotechnology News 42 (2022) 12.","ista":"Bravo JPK. 2022. SuperFi-Cas9 exceeds fidelity, matches speed of original Cas9. Genetic Engineering &#38; Biotechnology News. 42(4), 12.","apa":"Bravo, J. P. K. (2022). SuperFi-Cas9 exceeds fidelity, matches speed of original Cas9. <i>Genetic Engineering &#38; Biotechnology News</i>. Mary Ann Liebert. <a href=\"https://doi.org/10.1089/gen.42.04.03\">https://doi.org/10.1089/gen.42.04.03</a>","ama":"Bravo JPK. SuperFi-Cas9 exceeds fidelity, matches speed of original Cas9. <i>Genetic Engineering &#38; Biotechnology News</i>. 2022;42(4):12. doi:<a href=\"https://doi.org/10.1089/gen.42.04.03\">10.1089/gen.42.04.03</a>","mla":"Bravo, Jack Peter Kelly. “SuperFi-Cas9 Exceeds Fidelity, Matches Speed of Original Cas9.” <i>Genetic Engineering &#38; Biotechnology News</i>, vol. 42, no. 4, Mary Ann Liebert, 2022, p. 12, doi:<a href=\"https://doi.org/10.1089/gen.42.04.03\">10.1089/gen.42.04.03</a>.","ieee":"J. P. K. Bravo, “SuperFi-Cas9 exceeds fidelity, matches speed of original Cas9,” <i>Genetic Engineering &#38; Biotechnology News</i>, vol. 42, no. 4. Mary Ann Liebert, p. 12, 2022."},"oa_version":"None","status":"public","year":"2022","page":"12","issue":"4","author":[{"last_name":"Bravo","orcid":"0000-0003-0456-0753","id":"96aecfa5-8931-11ee-af30-aa6a5d6eee0e","first_name":"Jack Peter Kelly","full_name":"Bravo, Jack Peter Kelly"}],"quality_controlled":"1","doi":"10.1089/gen.42.04.03","_id":"15144","article_type":"letter_note","date_published":"2022-04-01T00:00:00Z","month":"04","publication_status":"published","extern":"1","date_updated":"2024-10-14T12:32:14Z","scopus_import":"1","publisher":"Mary Ann Liebert","volume":42,"keyword":["Management of Technology and Innovation","Biomedical Engineering","Bioengineering","Biotechnology"],"title":"SuperFi-Cas9 exceeds fidelity, matches speed of original Cas9","language":[{"iso":"eng"}],"article_processing_charge":"No","day":"01","date_created":"2024-03-20T10:43:19Z"},{"issue":"1","year":"2022","status":"public","publication_identifier":{"eissn":["2041-8213"],"issn":["2041-8205"]},"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","oa_version":"Published Version","tmp":{"legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","image":"/images/cc_by.png"},"oa":1,"article_processing_charge":"No","article_number":"L14","publication_status":"published","date_updated":"2024-04-02T07:16:18Z","article_type":"original","date_published":"2022-12-12T00:00:00Z","month":"12","publisher":"American Astronomical Society","quality_controlled":"1","author":[{"first_name":"Sergey S.","full_name":"Tsygankov, Sergey S.","last_name":"Tsygankov"},{"last_name":"Doroshenko","full_name":"Doroshenko, Victor","first_name":"Victor"},{"last_name":"Poutanen","full_name":"Poutanen, Juri","first_name":"Juri"},{"last_name":"Heyl","full_name":"Heyl, Jeremy","first_name":"Jeremy"},{"full_name":"Mushtukov, Alexander A.","first_name":"Alexander A.","last_name":"Mushtukov"},{"full_name":"Caiazzo, Ilaria","first_name":"Ilaria","id":"8ae5b6e7-2a03-11ee-914d-b58ed7a3b47d","orcid":"0000-0002-4770-5388","last_name":"Caiazzo"},{"last_name":"Di Marco","first_name":"Alessandro","full_name":"Di Marco, Alessandro"},{"first_name":"Sofia V.","full_name":"Forsblom, Sofia V.","last_name":"Forsblom"},{"first_name":"Denis","full_name":"González-Caniulef, Denis","last_name":"González-Caniulef"},{"first_name":"Moritz","full_name":"Klawin, Moritz","last_name":"Klawin"},{"first_name":"Fabio","full_name":"La Monaca, Fabio","last_name":"La Monaca"},{"last_name":"Malacaria","full_name":"Malacaria, Christian","first_name":"Christian"},{"last_name":"Marshall","full_name":"Marshall, Herman L.","first_name":"Herman L."},{"last_name":"Muleri","full_name":"Muleri, Fabio","first_name":"Fabio"},{"last_name":"Ng","first_name":"Mason","full_name":"Ng, Mason"},{"last_name":"Suleimanov","full_name":"Suleimanov, Valery F.","first_name":"Valery F."},{"first_name":"Rashid A.","full_name":"Sunyaev, Rashid A.","last_name":"Sunyaev"},{"first_name":"Roberto","full_name":"Turolla, Roberto","last_name":"Turolla"},{"full_name":"Agudo, Iván","first_name":"Iván","last_name":"Agudo"},{"first_name":"Lucio A.","full_name":"Antonelli, Lucio A.","last_name":"Antonelli"},{"full_name":"Bachetti, Matteo","first_name":"Matteo","last_name":"Bachetti"},{"last_name":"Baldini","first_name":"Luca","full_name":"Baldini, Luca"},{"first_name":"Wayne H.","full_name":"Baumgartner, Wayne H.","last_name":"Baumgartner"},{"last_name":"Bellazzini","first_name":"Ronaldo","full_name":"Bellazzini, Ronaldo"},{"first_name":"Stefano","full_name":"Bianchi, Stefano","last_name":"Bianchi"},{"full_name":"Bongiorno, Stephen D.","first_name":"Stephen D.","last_name":"Bongiorno"},{"full_name":"Bonino, Raffaella","first_name":"Raffaella","last_name":"Bonino"},{"last_name":"Brez","first_name":"Alessandro","full_name":"Brez, Alessandro"},{"full_name":"Bucciantini, Niccolò","first_name":"Niccolò","last_name":"Bucciantini"},{"last_name":"Capitanio","full_name":"Capitanio, Fiamma","first_name":"Fiamma"},{"full_name":"Castellano, Simone","first_name":"Simone","last_name":"Castellano"},{"first_name":"Elisabetta","full_name":"Cavazzuti, Elisabetta","last_name":"Cavazzuti"},{"last_name":"Ciprini","full_name":"Ciprini, Stefano","first_name":"Stefano"},{"full_name":"Costa, Enrico","first_name":"Enrico","last_name":"Costa"},{"last_name":"Rosa","full_name":"Rosa, Alessandra De","first_name":"Alessandra De"},{"first_name":"Ettore","full_name":"Del Monte, Ettore","last_name":"Del Monte"},{"first_name":"Laura Di","full_name":"Gesu, Laura Di","last_name":"Gesu"},{"last_name":"Lalla","full_name":"Lalla, Niccolò Di","first_name":"Niccolò Di"},{"full_name":"Donnarumma, Immacolata","first_name":"Immacolata","last_name":"Donnarumma"},{"first_name":"Michal","full_name":"Dovčiak, Michal","last_name":"Dovčiak"},{"last_name":"Ehlert","full_name":"Ehlert, Steven R.","first_name":"Steven R."},{"last_name":"Enoto","full_name":"Enoto, Teruaki","first_name":"Teruaki"},{"last_name":"Evangelista","first_name":"Yuri","full_name":"Evangelista, Yuri"},{"last_name":"Fabiani","first_name":"Sergio","full_name":"Fabiani, Sergio"},{"last_name":"Ferrazzoli","full_name":"Ferrazzoli, Riccardo","first_name":"Riccardo"},{"full_name":"Garcia, Javier A.","first_name":"Javier A.","last_name":"Garcia"},{"full_name":"Gunji, Shuichi","first_name":"Shuichi","last_name":"Gunji"},{"first_name":"Kiyoshi","full_name":"Hayashida, Kiyoshi","last_name":"Hayashida"},{"first_name":"Wataru","full_name":"Iwakiri, Wataru","last_name":"Iwakiri"},{"full_name":"Jorstad, Svetlana G.","first_name":"Svetlana G.","last_name":"Jorstad"},{"last_name":"Karas","full_name":"Karas, Vladimir","first_name":"Vladimir"},{"full_name":"Kitaguchi, Takao","first_name":"Takao","last_name":"Kitaguchi"},{"last_name":"Kolodziejczak","full_name":"Kolodziejczak, Jeffery J.","first_name":"Jeffery J."},{"full_name":"Krawczynski, Henric","first_name":"Henric","last_name":"Krawczynski"},{"last_name":"Latronico","full_name":"Latronico, Luca","first_name":"Luca"},{"full_name":"Liodakis, Ioannis","first_name":"Ioannis","last_name":"Liodakis"},{"full_name":"Maldera, Simone","first_name":"Simone","last_name":"Maldera"},{"first_name":"Alberto","full_name":"Manfreda, Alberto","last_name":"Manfreda"},{"last_name":"Marin","full_name":"Marin, Frédéric","first_name":"Frédéric"},{"last_name":"Marinucci","full_name":"Marinucci, Andrea","first_name":"Andrea"},{"last_name":"Marscher","full_name":"Marscher, Alan P.","first_name":"Alan P."},{"full_name":"Matt, Giorgio","first_name":"Giorgio","last_name":"Matt"},{"last_name":"Mitsuishi","full_name":"Mitsuishi, Ikuyuki","first_name":"Ikuyuki"},{"full_name":"Mizuno, Tsunefumi","first_name":"Tsunefumi","last_name":"Mizuno"},{"full_name":"Ng, Chi-Yung","first_name":"Chi-Yung","last_name":"Ng"},{"full_name":"O’Dell, Stephen L.","first_name":"Stephen L.","last_name":"O’Dell"},{"first_name":"Nicola","full_name":"Omodei, Nicola","last_name":"Omodei"},{"last_name":"Oppedisano","first_name":"Chiara","full_name":"Oppedisano, Chiara"},{"full_name":"Papitto, Alessandro","first_name":"Alessandro","last_name":"Papitto"},{"full_name":"Pavlov, George G.","first_name":"George G.","last_name":"Pavlov"},{"last_name":"Peirson","full_name":"Peirson, Abel L.","first_name":"Abel L."},{"last_name":"Perri","full_name":"Perri, Matteo","first_name":"Matteo"},{"last_name":"Pesce-Rollins","first_name":"Melissa","full_name":"Pesce-Rollins, Melissa"},{"last_name":"Petrucci","full_name":"Petrucci, Pierre-Olivier","first_name":"Pierre-Olivier"},{"first_name":"Maura","full_name":"Pilia, Maura","last_name":"Pilia"},{"last_name":"Possenti","first_name":"Andrea","full_name":"Possenti, Andrea"},{"last_name":"Puccetti","full_name":"Puccetti, Simonetta","first_name":"Simonetta"},{"full_name":"Ramsey, Brian D.","first_name":"Brian D.","last_name":"Ramsey"},{"first_name":"John","full_name":"Rankin, John","last_name":"Rankin"},{"full_name":"Ratheesh, Ajay","first_name":"Ajay","last_name":"Ratheesh"},{"last_name":"Romani","first_name":"Roger W.","full_name":"Romani, Roger W."},{"full_name":"Sgrò, Carmelo","first_name":"Carmelo","last_name":"Sgrò"},{"full_name":"Slane, Patrick","first_name":"Patrick","last_name":"Slane"},{"last_name":"Soffitta","first_name":"Paolo","full_name":"Soffitta, Paolo"},{"first_name":"Gloria","full_name":"Spandre, Gloria","last_name":"Spandre"},{"last_name":"Tamagawa","full_name":"Tamagawa, Toru","first_name":"Toru"},{"full_name":"Tavecchio, Fabrizio","first_name":"Fabrizio","last_name":"Tavecchio"},{"full_name":"Taverna, Roberto","first_name":"Roberto","last_name":"Taverna"},{"first_name":"Yuzuru","full_name":"Tawara, Yuzuru","last_name":"Tawara"},{"first_name":"Allyn F.","full_name":"Tennant, Allyn F.","last_name":"Tennant"},{"first_name":"Nicholas E.","full_name":"Thomas, Nicholas E.","last_name":"Thomas"},{"last_name":"Tombesi","first_name":"Francesco","full_name":"Tombesi, Francesco"},{"last_name":"Trois","first_name":"Alessio","full_name":"Trois, Alessio"},{"first_name":"Jacco","full_name":"Vink, Jacco","last_name":"Vink"},{"last_name":"Weisskopf","full_name":"Weisskopf, Martin C.","first_name":"Martin C."},{"last_name":"Wu","full_name":"Wu, Kinwah","first_name":"Kinwah"},{"last_name":"Xie","first_name":"Fei","full_name":"Xie, Fei"},{"last_name":"Zane","full_name":"Zane, Silvia","first_name":"Silvia"}],"_id":"15203","doi":"10.3847/2041-8213/aca486","type":"journal_article","publication":"The Astrophysical Journal Letters","external_id":{"arxiv":["2209.02447"]},"citation":{"apa":"Tsygankov, S. S., Doroshenko, V., Poutanen, J., Heyl, J., Mushtukov, A. A., Caiazzo, I., … Zane, S. (2022). The x-ray polarimetry view of the accreting pulsar Cen X-3. <i>The Astrophysical Journal Letters</i>. American Astronomical Society. <a href=\"https://doi.org/10.3847/2041-8213/aca486\">https://doi.org/10.3847/2041-8213/aca486</a>","ama":"Tsygankov SS, Doroshenko V, Poutanen J, et al. The x-ray polarimetry view of the accreting pulsar Cen X-3. <i>The Astrophysical Journal Letters</i>. 2022;941(1). doi:<a href=\"https://doi.org/10.3847/2041-8213/aca486\">10.3847/2041-8213/aca486</a>","mla":"Tsygankov, Sergey S., et al. “The X-Ray Polarimetry View of the Accreting Pulsar Cen X-3.” <i>The Astrophysical Journal Letters</i>, vol. 941, no. 1, L14, American Astronomical Society, 2022, doi:<a href=\"https://doi.org/10.3847/2041-8213/aca486\">10.3847/2041-8213/aca486</a>.","ieee":"S. S. Tsygankov <i>et al.</i>, “The x-ray polarimetry view of the accreting pulsar Cen X-3,” <i>The Astrophysical Journal Letters</i>, vol. 941, no. 1. American Astronomical Society, 2022.","chicago":"Tsygankov, Sergey S., Victor Doroshenko, Juri Poutanen, Jeremy Heyl, Alexander A. Mushtukov, Ilaria Caiazzo, Alessandro Di Marco, et al. “The X-Ray Polarimetry View of the Accreting Pulsar Cen X-3.” <i>The Astrophysical Journal Letters</i>. American Astronomical Society, 2022. <a href=\"https://doi.org/10.3847/2041-8213/aca486\">https://doi.org/10.3847/2041-8213/aca486</a>.","short":"S.S. Tsygankov, V. Doroshenko, J. Poutanen, J. Heyl, A.A. Mushtukov, I. Caiazzo, A. Di Marco, S.V. Forsblom, D. González-Caniulef, M. Klawin, F. La Monaca, C. Malacaria, H.L. Marshall, F. Muleri, M. Ng, V.F. Suleimanov, R.A. Sunyaev, R. Turolla, I. Agudo, L.A. Antonelli, M. Bachetti, L. Baldini, W.H. Baumgartner, R. Bellazzini, S. Bianchi, S.D. Bongiorno, R. Bonino, A. Brez, N. Bucciantini, F. Capitanio, S. Castellano, E. Cavazzuti, S. Ciprini, E. Costa, A.D. Rosa, E. Del Monte, L.D. Gesu, N.D. Lalla, I. Donnarumma, M. Dovčiak, S.R. Ehlert, T. Enoto, Y. Evangelista, S. Fabiani, R. Ferrazzoli, J.A. Garcia, S. Gunji, K. Hayashida, W. Iwakiri, S.G. Jorstad, V. Karas, T. Kitaguchi, J.J. Kolodziejczak, H. Krawczynski, L. Latronico, I. Liodakis, S. Maldera, A. Manfreda, F. Marin, A. Marinucci, A.P. Marscher, G. Matt, I. Mitsuishi, T. Mizuno, C.-Y. Ng, S.L. O’Dell, N. Omodei, C. Oppedisano, A. Papitto, G.G. Pavlov, A.L. Peirson, M. Perri, M. Pesce-Rollins, P.-O. Petrucci, M. Pilia, A. Possenti, S. Puccetti, B.D. Ramsey, J. Rankin, A. Ratheesh, R.W. Romani, C. Sgrò, P. Slane, P. Soffitta, G. Spandre, T. Tamagawa, F. Tavecchio, R. Taverna, Y. Tawara, A.F. Tennant, N.E. Thomas, F. Tombesi, A. Trois, J. Vink, M.C. Weisskopf, K. Wu, F. Xie, S. Zane, The Astrophysical Journal Letters 941 (2022).","ista":"Tsygankov SS, Doroshenko V, Poutanen J, Heyl J, Mushtukov AA, Caiazzo I, Di Marco A, Forsblom SV, González-Caniulef D, Klawin M, La Monaca F, Malacaria C, Marshall HL, Muleri F, Ng M, Suleimanov VF, Sunyaev RA, Turolla R, Agudo I, Antonelli LA, Bachetti M, Baldini L, Baumgartner WH, Bellazzini R, Bianchi S, Bongiorno SD, Bonino R, Brez A, Bucciantini N, Capitanio F, Castellano S, Cavazzuti E, Ciprini S, Costa E, Rosa AD, Del Monte E, Gesu LD, Lalla ND, Donnarumma I, Dovčiak M, Ehlert SR, Enoto T, Evangelista Y, Fabiani S, Ferrazzoli R, Garcia JA, Gunji S, Hayashida K, Iwakiri W, Jorstad SG, Karas V, Kitaguchi T, Kolodziejczak JJ, Krawczynski H, Latronico L, Liodakis I, Maldera S, Manfreda A, Marin F, Marinucci A, Marscher AP, Matt G, Mitsuishi I, Mizuno T, Ng C-Y, O’Dell SL, Omodei N, Oppedisano C, Papitto A, Pavlov GG, Peirson AL, Perri M, Pesce-Rollins M, Petrucci P-O, Pilia M, Possenti A, Puccetti S, Ramsey BD, Rankin J, Ratheesh A, Romani RW, Sgrò C, Slane P, Soffitta P, Spandre G, Tamagawa T, Tavecchio F, Taverna R, Tawara Y, Tennant AF, Thomas NE, Tombesi F, Trois A, Vink J, Weisskopf MC, Wu K, Xie F, Zane S. 2022. The x-ray polarimetry view of the accreting pulsar Cen X-3. The Astrophysical Journal Letters. 941(1), L14."},"intvolume":"       941","arxiv":1,"main_file_link":[{"url":"https://doi.org/10.3847/2041-8213/aca486","open_access":"1"}],"language":[{"iso":"eng"}],"title":"The x-ray polarimetry view of the accreting pulsar Cen X-3","keyword":["Space and Planetary Science","Astronomy and Astrophysics"],"volume":941,"date_created":"2024-03-26T09:50:38Z","abstract":[{"lang":"eng","text":"The first X-ray pulsar, Cen X-3, was discovered 50 yr ago. Radiation from such objects is expected to be highly polarized due to birefringence of plasma and vacuum associated with propagation of photons in the presence of the strong magnetic field. Here we present results of the observations of Cen X-3 performed with the Imaging X-ray Polarimetry Explorer. The source exhibited significant flux variability and was observed in two states different by a factor of ∼20 in flux. In the low-luminosity state, no significant polarization was found in either pulse phase-averaged (with a 3σ upper limit of 12%) or phase-resolved (the 3σ upper limits are 20%–30%) data. In the bright state, the polarization degree of 5.8% ± 0.3% and polarization angle of 49fdg6 ± 1fdg5 with a significance of about 20σ were measured from the spectropolarimetric analysis of the phase-averaged data. The phase-resolved analysis showed a significant anticorrelation between the flux and the polarization degree, as well as strong variations of the polarization angle. The fit with the rotating vector model indicates a position angle of the pulsar spin axis of about 49° and a magnetic obliquity of 17°. The detected relatively low polarization can be explained if the upper layers of the neutron star surface are overheated by the accreted matter and the conversion of the polarization modes occurs within the transition region between the upper hot layer and a cooler underlying atmosphere. A fraction of polarization signal can also be produced by reflection of radiation from the neutron star surface and the accretion curtain."}],"day":"12","extern":"1","scopus_import":"1"},{"oa_version":"Preprint","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","publication_identifier":{"issn":["2397-3366"]},"status":"public","year":"2022","issue":"12","publisher":"Springer Nature","date_published":"2022-10-22T00:00:00Z","month":"10","article_type":"original","publication_status":"published","date_updated":"2024-04-02T07:16:54Z","article_processing_charge":"No","oa":1,"arxiv":1,"intvolume":"         6","citation":{"mla":"Doroshenko, Victor, et al. “Determination of X-Ray Pulsar Geometry with IXPE Polarimetry.” <i>Nature Astronomy</i>, vol. 6, no. 12, Springer Nature, 2022, pp. 1433–43, doi:<a href=\"https://doi.org/10.1038/s41550-022-01799-5\">10.1038/s41550-022-01799-5</a>.","ieee":"V. Doroshenko <i>et al.</i>, “Determination of X-ray pulsar geometry with IXPE polarimetry,” <i>Nature Astronomy</i>, vol. 6, no. 12. Springer Nature, pp. 1433–1443, 2022.","apa":"Doroshenko, V., Poutanen, J., Tsygankov, S. S., Suleimanov, V. F., Bachetti, M., Caiazzo, I., … Xie, F. (2022). Determination of X-ray pulsar geometry with IXPE polarimetry. <i>Nature Astronomy</i>. Springer Nature. <a href=\"https://doi.org/10.1038/s41550-022-01799-5\">https://doi.org/10.1038/s41550-022-01799-5</a>","ama":"Doroshenko V, Poutanen J, Tsygankov SS, et al. Determination of X-ray pulsar geometry with IXPE polarimetry. <i>Nature Astronomy</i>. 2022;6(12):1433-1443. doi:<a href=\"https://doi.org/10.1038/s41550-022-01799-5\">10.1038/s41550-022-01799-5</a>","ista":"Doroshenko V, Poutanen J, Tsygankov SS, Suleimanov VF, Bachetti M, Caiazzo I, Costa E, Di Marco A, Heyl J, La Monaca F, Muleri F, Mushtukov AA, Pavlov GG, Ramsey BD, Rankin J, Santangelo A, Soffitta P, Staubert R, Weisskopf MC, Zane S, Agudo I, Antonelli LA, Baldini L, Baumgartner WH, Bellazzini R, Bianchi S, Bongiorno SD, Bonino R, Brez A, Bucciantini N, Capitanio F, Castellano S, Cavazzuti E, Ciprini S, De Rosa A, Del Monte E, Di Gesu L, Di Lalla N, Donnarumma I, Dovčiak M, Ehlert SR, Enoto T, Evangelista Y, Fabiani S, Ferrazzoli R, Garcia JA, Gunji S, Hayashida K, Iwakiri W, Jorstad SG, Karas V, Kitaguchi T, Kolodziejczak JJ, Krawczynski H, Latronico L, Liodakis I, Maldera S, Manfreda A, Marin F, Marinucci A, Marscher AP, Marshall HL, Matt G, Mitsuishi I, Mizuno T, Ng C-Y, O’Dell SL, Omodei N, Oppedisano C, Papitto A, Peirson AL, Perri M, Pesce-Rollins M, Pilia M, Possenti A, Puccetti S, Ratheesh A, Romani RW, Sgrò C, Slane P, Spandre G, Sunyaev RA, Tamagawa T, Tavecchio F, Taverna R, Tawara Y, Tennant AF, Thomas NE, Tombesi F, Trois A, Turolla R, Vink J, Wu K, Xie F. 2022. Determination of X-ray pulsar geometry with IXPE polarimetry. Nature Astronomy. 6(12), 1433–1443.","chicago":"Doroshenko, Victor, Juri Poutanen, Sergey S. Tsygankov, Valery F. Suleimanov, Matteo Bachetti, Ilaria Caiazzo, Enrico Costa, et al. “Determination of X-Ray Pulsar Geometry with IXPE Polarimetry.” <i>Nature Astronomy</i>. Springer Nature, 2022. <a href=\"https://doi.org/10.1038/s41550-022-01799-5\">https://doi.org/10.1038/s41550-022-01799-5</a>.","short":"V. Doroshenko, J. Poutanen, S.S. Tsygankov, V.F. Suleimanov, M. Bachetti, I. Caiazzo, E. Costa, A. Di Marco, J. Heyl, F. La Monaca, F. Muleri, A.A. Mushtukov, G.G. Pavlov, B.D. Ramsey, J. Rankin, A. Santangelo, P. Soffitta, R. Staubert, M.C. Weisskopf, S. Zane, I. Agudo, L.A. Antonelli, L. Baldini, W.H. Baumgartner, R. Bellazzini, S. Bianchi, S.D. Bongiorno, R. Bonino, A. Brez, N. Bucciantini, F. Capitanio, S. Castellano, E. Cavazzuti, S. Ciprini, A. De Rosa, E. Del Monte, L. Di Gesu, N. Di Lalla, I. Donnarumma, M. Dovčiak, S.R. Ehlert, T. Enoto, Y. Evangelista, S. Fabiani, R. Ferrazzoli, J.A. Garcia, S. Gunji, K. Hayashida, W. Iwakiri, S.G. Jorstad, V. Karas, T. Kitaguchi, J.J. Kolodziejczak, H. Krawczynski, L. Latronico, I. Liodakis, S. Maldera, A. Manfreda, F. Marin, A. Marinucci, A.P. Marscher, H.L. Marshall, G. Matt, I. Mitsuishi, T. Mizuno, C.-Y. Ng, S.L. O’Dell, N. Omodei, C. Oppedisano, A. Papitto, A.L. Peirson, M. Perri, M. Pesce-Rollins, M. Pilia, A. Possenti, S. Puccetti, A. Ratheesh, R.W. Romani, C. Sgrò, P. Slane, G. Spandre, R.A. Sunyaev, T. Tamagawa, F. Tavecchio, R. Taverna, Y. Tawara, A.F. Tennant, N.E. Thomas, F. Tombesi, A. Trois, R. Turolla, J. Vink, K. Wu, F. Xie, Nature Astronomy 6 (2022) 1433–1443."},"external_id":{"arxiv":["2206.07138"]},"type":"journal_article","publication":"Nature Astronomy","doi":"10.1038/s41550-022-01799-5","_id":"15204","author":[{"last_name":"Doroshenko","full_name":"Doroshenko, Victor","first_name":"Victor"},{"first_name":"Juri","full_name":"Poutanen, Juri","last_name":"Poutanen"},{"first_name":"Sergey S.","full_name":"Tsygankov, Sergey S.","last_name":"Tsygankov"},{"full_name":"Suleimanov, Valery F.","first_name":"Valery F.","last_name":"Suleimanov"},{"last_name":"Bachetti","first_name":"Matteo","full_name":"Bachetti, Matteo"},{"last_name":"Caiazzo","orcid":"0000-0002-4770-5388","id":"8ae5b6e7-2a03-11ee-914d-b58ed7a3b47d","full_name":"Caiazzo, Ilaria","first_name":"Ilaria"},{"last_name":"Costa","first_name":"Enrico","full_name":"Costa, Enrico"},{"last_name":"Di Marco","full_name":"Di Marco, Alessandro","first_name":"Alessandro"},{"full_name":"Heyl, Jeremy","first_name":"Jeremy","last_name":"Heyl"},{"full_name":"La Monaca, Fabio","first_name":"Fabio","last_name":"La Monaca"},{"last_name":"Muleri","full_name":"Muleri, Fabio","first_name":"Fabio"},{"first_name":"Alexander A.","full_name":"Mushtukov, Alexander A.","last_name":"Mushtukov"},{"last_name":"Pavlov","first_name":"George G.","full_name":"Pavlov, George G."},{"last_name":"Ramsey","full_name":"Ramsey, Brian D.","first_name":"Brian D."},{"last_name":"Rankin","full_name":"Rankin, John","first_name":"John"},{"last_name":"Santangelo","first_name":"Andrea","full_name":"Santangelo, Andrea"},{"full_name":"Soffitta, Paolo","first_name":"Paolo","last_name":"Soffitta"},{"last_name":"Staubert","full_name":"Staubert, Rüdiger","first_name":"Rüdiger"},{"last_name":"Weisskopf","full_name":"Weisskopf, Martin C.","first_name":"Martin C."},{"last_name":"Zane","first_name":"Silvia","full_name":"Zane, Silvia"},{"last_name":"Agudo","first_name":"Iván","full_name":"Agudo, Iván"},{"full_name":"Antonelli, Lucio A.","first_name":"Lucio A.","last_name":"Antonelli"},{"first_name":"Luca","full_name":"Baldini, Luca","last_name":"Baldini"},{"full_name":"Baumgartner, Wayne H.","first_name":"Wayne H.","last_name":"Baumgartner"},{"last_name":"Bellazzini","full_name":"Bellazzini, Ronaldo","first_name":"Ronaldo"},{"last_name":"Bianchi","first_name":"Stefano","full_name":"Bianchi, Stefano"},{"full_name":"Bongiorno, Stephen D.","first_name":"Stephen D.","last_name":"Bongiorno"},{"full_name":"Bonino, Raffaella","first_name":"Raffaella","last_name":"Bonino"},{"full_name":"Brez, Alessandro","first_name":"Alessandro","last_name":"Brez"},{"last_name":"Bucciantini","first_name":"Niccolò","full_name":"Bucciantini, Niccolò"},{"first_name":"Fiamma","full_name":"Capitanio, Fiamma","last_name":"Capitanio"},{"first_name":"Simone","full_name":"Castellano, Simone","last_name":"Castellano"},{"full_name":"Cavazzuti, Elisabetta","first_name":"Elisabetta","last_name":"Cavazzuti"},{"full_name":"Ciprini, Stefano","first_name":"Stefano","last_name":"Ciprini"},{"last_name":"De Rosa","first_name":"Alessandra","full_name":"De Rosa, Alessandra"},{"first_name":"Ettore","full_name":"Del Monte, Ettore","last_name":"Del Monte"},{"first_name":"Laura","full_name":"Di Gesu, Laura","last_name":"Di Gesu"},{"full_name":"Di Lalla, Niccolò","first_name":"Niccolò","last_name":"Di Lalla"},{"full_name":"Donnarumma, Immacolata","first_name":"Immacolata","last_name":"Donnarumma"},{"last_name":"Dovčiak","full_name":"Dovčiak, Michal","first_name":"Michal"},{"last_name":"Ehlert","first_name":"Steven R.","full_name":"Ehlert, Steven R."},{"last_name":"Enoto","full_name":"Enoto, Teruaki","first_name":"Teruaki"},{"last_name":"Evangelista","first_name":"Yuri","full_name":"Evangelista, Yuri"},{"last_name":"Fabiani","first_name":"Sergio","full_name":"Fabiani, Sergio"},{"first_name":"Riccardo","full_name":"Ferrazzoli, Riccardo","last_name":"Ferrazzoli"},{"last_name":"Garcia","full_name":"Garcia, Javier A.","first_name":"Javier A."},{"last_name":"Gunji","first_name":"Shuichi","full_name":"Gunji, Shuichi"},{"last_name":"Hayashida","first_name":"Kiyoshi","full_name":"Hayashida, Kiyoshi"},{"full_name":"Iwakiri, Wataru","first_name":"Wataru","last_name":"Iwakiri"},{"first_name":"Svetlana G.","full_name":"Jorstad, Svetlana G.","last_name":"Jorstad"},{"full_name":"Karas, Vladimir","first_name":"Vladimir","last_name":"Karas"},{"last_name":"Kitaguchi","full_name":"Kitaguchi, Takao","first_name":"Takao"},{"first_name":"Jeffery J.","full_name":"Kolodziejczak, Jeffery J.","last_name":"Kolodziejczak"},{"last_name":"Krawczynski","first_name":"Henric","full_name":"Krawczynski, Henric"},{"full_name":"Latronico, Luca","first_name":"Luca","last_name":"Latronico"},{"last_name":"Liodakis","first_name":"Ioannis","full_name":"Liodakis, Ioannis"},{"first_name":"Simone","full_name":"Maldera, Simone","last_name":"Maldera"},{"first_name":"Alberto","full_name":"Manfreda, Alberto","last_name":"Manfreda"},{"last_name":"Marin","full_name":"Marin, Frédéric","first_name":"Frédéric"},{"first_name":"Andrea","full_name":"Marinucci, Andrea","last_name":"Marinucci"},{"last_name":"Marscher","full_name":"Marscher, Alan P.","first_name":"Alan P."},{"full_name":"Marshall, Herman L.","first_name":"Herman L.","last_name":"Marshall"},{"full_name":"Matt, Giorgio","first_name":"Giorgio","last_name":"Matt"},{"last_name":"Mitsuishi","full_name":"Mitsuishi, Ikuyuki","first_name":"Ikuyuki"},{"last_name":"Mizuno","full_name":"Mizuno, Tsunefumi","first_name":"Tsunefumi"},{"full_name":"Ng, Chi-Yung","first_name":"Chi-Yung","last_name":"Ng"},{"last_name":"O’Dell","first_name":"Stephen L.","full_name":"O’Dell, Stephen L."},{"full_name":"Omodei, Nicola","first_name":"Nicola","last_name":"Omodei"},{"full_name":"Oppedisano, Chiara","first_name":"Chiara","last_name":"Oppedisano"},{"last_name":"Papitto","first_name":"Alessandro","full_name":"Papitto, Alessandro"},{"last_name":"Peirson","first_name":"Abel L.","full_name":"Peirson, Abel L."},{"last_name":"Perri","first_name":"Matteo","full_name":"Perri, Matteo"},{"last_name":"Pesce-Rollins","full_name":"Pesce-Rollins, Melissa","first_name":"Melissa"},{"first_name":"Maura","full_name":"Pilia, Maura","last_name":"Pilia"},{"last_name":"Possenti","first_name":"Andrea","full_name":"Possenti, Andrea"},{"last_name":"Puccetti","first_name":"Simonetta","full_name":"Puccetti, Simonetta"},{"last_name":"Ratheesh","full_name":"Ratheesh, Ajay","first_name":"Ajay"},{"last_name":"Romani","first_name":"Roger W.","full_name":"Romani, Roger W."},{"last_name":"Sgrò","first_name":"Carmelo","full_name":"Sgrò, Carmelo"},{"first_name":"Patrick","full_name":"Slane, Patrick","last_name":"Slane"},{"first_name":"Gloria","full_name":"Spandre, Gloria","last_name":"Spandre"},{"first_name":"Rashid A.","full_name":"Sunyaev, Rashid A.","last_name":"Sunyaev"},{"last_name":"Tamagawa","first_name":"Toru","full_name":"Tamagawa, Toru"},{"first_name":"Fabrizio","full_name":"Tavecchio, Fabrizio","last_name":"Tavecchio"},{"last_name":"Taverna","full_name":"Taverna, Roberto","first_name":"Roberto"},{"first_name":"Yuzuru","full_name":"Tawara, Yuzuru","last_name":"Tawara"},{"full_name":"Tennant, Allyn F.","first_name":"Allyn F.","last_name":"Tennant"},{"first_name":"Nicolas E.","full_name":"Thomas, Nicolas E.","last_name":"Thomas"},{"first_name":"Francesco","full_name":"Tombesi, Francesco","last_name":"Tombesi"},{"last_name":"Trois","first_name":"Alessio","full_name":"Trois, Alessio"},{"last_name":"Turolla","first_name":"Roberto","full_name":"Turolla, Roberto"},{"first_name":"Jacco","full_name":"Vink, Jacco","last_name":"Vink"},{"full_name":"Wu, Kinwah","first_name":"Kinwah","last_name":"Wu"},{"last_name":"Xie","full_name":"Xie, Fei","first_name":"Fei"}],"page":"1433-1443","quality_controlled":"1","extern":"1","scopus_import":"1","abstract":[{"lang":"eng","text":"Using observations of X-ray pulsar Hercules X-1 by the Imaging X-ray Polarimetry Explorer we report a highly significant (>17σ) detection of the polarization signal from an accreting neutron star. The observed degree of linear polarization of ~10% is far below theoretical expectations for this object, and stays low throughout the spin cycle of the pulsar. Both the degree and angle of polarization exhibit variability with the pulse phase, allowing us to measure the pulsar spin position angle 57(2) deg and the magnetic obliquity 12(4) deg, which is an essential step towards detailed modelling of the intrinsic emission of X-ray pulsars. Combining our results with the optical polarimetric data, we find that the spin axis of the neutron star and the angular momentum of the binary orbit are misaligned by at least ~20 deg, which is a strong argument in support of the models explaining the stability of the observed superorbital variability with the precession of the neutron star."}],"day":"22","date_created":"2024-03-26T09:51:04Z","volume":6,"keyword":["Astronomy and Astrophysics"],"title":"Determination of X-ray pulsar geometry with IXPE polarimetry","main_file_link":[{"open_access":"1","url":"https://arxiv.org/abs/2206.07138"}],"language":[{"iso":"eng"}]},{"status":"public","year":"2022","issue":"6620","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","publication_identifier":{"eissn":["1095-9203"],"issn":["0036-8075"]},"oa_version":"Preprint","oa":1,"article_processing_charge":"No","month":"11","article_type":"original","date_published":"2022-11-03T00:00:00Z","date_updated":"2024-04-02T07:17:25Z","publication_status":"published","publisher":"American Association for the Advancement of Science","page":"646-650","author":[{"first_name":"Roberto","full_name":"Taverna, Roberto","last_name":"Taverna"},{"full_name":"Turolla, Roberto","first_name":"Roberto","last_name":"Turolla"},{"full_name":"Muleri, Fabio","first_name":"Fabio","last_name":"Muleri"},{"full_name":"Heyl, Jeremy","first_name":"Jeremy","last_name":"Heyl"},{"full_name":"Zane, Silvia","first_name":"Silvia","last_name":"Zane"},{"last_name":"Baldini","full_name":"Baldini, Luca","first_name":"Luca"},{"last_name":"González-Caniulef","full_name":"González-Caniulef, Denis","first_name":"Denis"},{"last_name":"Bachetti","full_name":"Bachetti, Matteo","first_name":"Matteo"},{"full_name":"Rankin, John","first_name":"John","last_name":"Rankin"},{"orcid":"0000-0002-4770-5388","last_name":"Caiazzo","first_name":"Ilaria","full_name":"Caiazzo, Ilaria","id":"8ae5b6e7-2a03-11ee-914d-b58ed7a3b47d"},{"last_name":"Di Lalla","first_name":"Niccolò","full_name":"Di Lalla, Niccolò"},{"last_name":"Doroshenko","first_name":"Victor","full_name":"Doroshenko, Victor"},{"first_name":"Manel","full_name":"Errando, Manel","last_name":"Errando"},{"full_name":"Gau, Ephraim","first_name":"Ephraim","last_name":"Gau"},{"first_name":"Demet","full_name":"Kırmızıbayrak, Demet","last_name":"Kırmızıbayrak"},{"last_name":"Krawczynski","first_name":"Henric","full_name":"Krawczynski, Henric"},{"last_name":"Negro","first_name":"Michela","full_name":"Negro, Michela"},{"last_name":"Ng","first_name":"Mason","full_name":"Ng, Mason"},{"first_name":"Nicola","full_name":"Omodei, Nicola","last_name":"Omodei"},{"full_name":"Possenti, Andrea","first_name":"Andrea","last_name":"Possenti"},{"last_name":"Tamagawa","full_name":"Tamagawa, Toru","first_name":"Toru"},{"last_name":"Uchiyama","first_name":"Keisuke","full_name":"Uchiyama, Keisuke"},{"last_name":"Weisskopf","full_name":"Weisskopf, Martin C.","first_name":"Martin C."},{"full_name":"Agudo, Ivan","first_name":"Ivan","last_name":"Agudo"},{"full_name":"Antonelli, Lucio A.","first_name":"Lucio A.","last_name":"Antonelli"},{"last_name":"Baumgartner","full_name":"Baumgartner, Wayne H.","first_name":"Wayne H."},{"last_name":"Bellazzini","full_name":"Bellazzini, Ronaldo","first_name":"Ronaldo"},{"full_name":"Bianchi, Stefano","first_name":"Stefano","last_name":"Bianchi"},{"last_name":"Bongiorno","first_name":"Stephen D.","full_name":"Bongiorno, Stephen D."},{"last_name":"Bonino","full_name":"Bonino, Raffaella","first_name":"Raffaella"},{"last_name":"Brez","first_name":"Alessandro","full_name":"Brez, Alessandro"},{"last_name":"Bucciantini","first_name":"Niccolò","full_name":"Bucciantini, Niccolò"},{"last_name":"Capitanio","first_name":"Fiamma","full_name":"Capitanio, Fiamma"},{"last_name":"Castellano","full_name":"Castellano, Simone","first_name":"Simone"},{"last_name":"Cavazzuti","full_name":"Cavazzuti, Elisabetta","first_name":"Elisabetta"},{"last_name":"Ciprini","full_name":"Ciprini, Stefano","first_name":"Stefano"},{"full_name":"Costa, Enrico","first_name":"Enrico","last_name":"Costa"},{"last_name":"De Rosa","full_name":"De Rosa, Alessandra","first_name":"Alessandra"},{"first_name":"Ettore","full_name":"Del Monte, Ettore","last_name":"Del Monte"},{"last_name":"Di Gesu","full_name":"Di Gesu, Laura","first_name":"Laura"},{"full_name":"Di Marco, Alessandro","first_name":"Alessandro","last_name":"Di Marco"},{"full_name":"Donnarumma, Immacolata","first_name":"Immacolata","last_name":"Donnarumma"},{"full_name":"Dovčiak, Michal","first_name":"Michal","last_name":"Dovčiak"},{"first_name":"Steven R.","full_name":"Ehlert, Steven R.","last_name":"Ehlert"},{"first_name":"Teruaki","full_name":"Enoto, Teruaki","last_name":"Enoto"},{"first_name":"Yuri","full_name":"Evangelista, Yuri","last_name":"Evangelista"},{"full_name":"Fabiani, Sergio","first_name":"Sergio","last_name":"Fabiani"},{"first_name":"Riccardo","full_name":"Ferrazzoli, Riccardo","last_name":"Ferrazzoli"},{"last_name":"Garcia","full_name":"Garcia, Javier A.","first_name":"Javier A."},{"first_name":"Shuichi","full_name":"Gunji, Shuichi","last_name":"Gunji"},{"last_name":"Hayashida","first_name":"Kiyoshi","full_name":"Hayashida, Kiyoshi"},{"first_name":"Wataru","full_name":"Iwakiri, Wataru","last_name":"Iwakiri"},{"first_name":"Svetlana G.","full_name":"Jorstad, Svetlana G.","last_name":"Jorstad"},{"last_name":"Karas","full_name":"Karas, Vladimir","first_name":"Vladimir"},{"full_name":"Kitaguchi, Takao","first_name":"Takao","last_name":"Kitaguchi"},{"full_name":"Kolodziejczak, Jeffery J.","first_name":"Jeffery J.","last_name":"Kolodziejczak"},{"full_name":"La Monaca, Fabio","first_name":"Fabio","last_name":"La Monaca"},{"full_name":"Latronico, Luca","first_name":"Luca","last_name":"Latronico"},{"first_name":"Ioannis","full_name":"Liodakis, Ioannis","last_name":"Liodakis"},{"full_name":"Maldera, Simone","first_name":"Simone","last_name":"Maldera"},{"first_name":"Alberto","full_name":"Manfreda, Alberto","last_name":"Manfreda"},{"first_name":"Frédéric","full_name":"Marin, Frédéric","last_name":"Marin"},{"full_name":"Marinucci, Andrea","first_name":"Andrea","last_name":"Marinucci"},{"full_name":"Marscher, Alan P.","first_name":"Alan P.","last_name":"Marscher"},{"full_name":"Marshall, Herman L.","first_name":"Herman L.","last_name":"Marshall"},{"last_name":"Matt","first_name":"Giorgio","full_name":"Matt, Giorgio"},{"first_name":"Ikuyuki","full_name":"Mitsuishi, Ikuyuki","last_name":"Mitsuishi"},{"last_name":"Mizuno","full_name":"Mizuno, Tsunefumi","first_name":"Tsunefumi"},{"first_name":"Stephen C.-Y.","full_name":"Ng, Stephen C.-Y.","last_name":"Ng"},{"first_name":"Stephen L.","full_name":"O’Dell, Stephen L.","last_name":"O’Dell"},{"full_name":"Oppedisano, Chiara","first_name":"Chiara","last_name":"Oppedisano"},{"last_name":"Papitto","first_name":"Alessandro","full_name":"Papitto, Alessandro"},{"last_name":"Pavlov","first_name":"George G.","full_name":"Pavlov, George G."},{"full_name":"Peirson, Abel L.","first_name":"Abel L.","last_name":"Peirson"},{"last_name":"Perri","first_name":"Matteo","full_name":"Perri, Matteo"},{"full_name":"Pesce-Rollins, Melissa","first_name":"Melissa","last_name":"Pesce-Rollins"},{"last_name":"Pilia","full_name":"Pilia, Maura","first_name":"Maura"},{"last_name":"Poutanen","full_name":"Poutanen, Juri","first_name":"Juri"},{"last_name":"Puccetti","full_name":"Puccetti, Simonetta","first_name":"Simonetta"},{"last_name":"Ramsey","full_name":"Ramsey, Brian D.","first_name":"Brian D."},{"last_name":"Ratheesh","full_name":"Ratheesh, Ajay","first_name":"Ajay"},{"full_name":"Romani, Roger W.","first_name":"Roger W.","last_name":"Romani"},{"last_name":"Sgrò","full_name":"Sgrò, Carmelo","first_name":"Carmelo"},{"last_name":"Slane","first_name":"Patrick","full_name":"Slane, Patrick"},{"last_name":"Soffitta","first_name":"Paolo","full_name":"Soffitta, Paolo"},{"first_name":"Gloria","full_name":"Spandre, Gloria","last_name":"Spandre"},{"last_name":"Tavecchio","first_name":"Fabrizio","full_name":"Tavecchio, Fabrizio"},{"last_name":"Tawara","first_name":"Yuzuru","full_name":"Tawara, Yuzuru"},{"first_name":"Allyn F.","full_name":"Tennant, Allyn F.","last_name":"Tennant"},{"first_name":"Nicholas E.","full_name":"Thomas, Nicholas E.","last_name":"Thomas"},{"last_name":"Tombesi","full_name":"Tombesi, Francesco","first_name":"Francesco"},{"first_name":"Alessio","full_name":"Trois, Alessio","last_name":"Trois"},{"last_name":"Tsygankov","full_name":"Tsygankov, Sergey S.","first_name":"Sergey S."},{"first_name":"Jacco","full_name":"Vink, Jacco","last_name":"Vink"},{"first_name":"Kinwah","full_name":"Wu, Kinwah","last_name":"Wu"},{"last_name":"Xie","first_name":"Fei","full_name":"Xie, Fei"}],"quality_controlled":"1","doi":"10.1126/science.add0080","_id":"15205","type":"journal_article","publication":"Science","arxiv":1,"intvolume":"       378","citation":{"chicago":"Taverna, Roberto, Roberto Turolla, Fabio Muleri, Jeremy Heyl, Silvia Zane, Luca Baldini, Denis González-Caniulef, et al. “Polarized X-Rays from a Magnetar.” <i>Science</i>. American Association for the Advancement of Science, 2022. <a href=\"https://doi.org/10.1126/science.add0080\">https://doi.org/10.1126/science.add0080</a>.","short":"R. Taverna, R. Turolla, F. Muleri, J. Heyl, S. Zane, L. Baldini, D. González-Caniulef, M. Bachetti, J. Rankin, I. Caiazzo, N. Di Lalla, V. Doroshenko, M. Errando, E. Gau, D. Kırmızıbayrak, H. Krawczynski, M. Negro, M. Ng, N. Omodei, A. Possenti, T. Tamagawa, K. Uchiyama, M.C. Weisskopf, I. Agudo, L.A. Antonelli, W.H. Baumgartner, R. Bellazzini, S. Bianchi, S.D. Bongiorno, R. Bonino, A. Brez, N. Bucciantini, F. Capitanio, S. Castellano, E. Cavazzuti, S. Ciprini, E. Costa, A. De Rosa, E. Del Monte, L. Di Gesu, A. Di Marco, I. Donnarumma, M. Dovčiak, S.R. Ehlert, T. Enoto, Y. Evangelista, S. Fabiani, R. Ferrazzoli, J.A. Garcia, S. Gunji, K. Hayashida, W. Iwakiri, S.G. Jorstad, V. Karas, T. Kitaguchi, J.J. Kolodziejczak, F. La Monaca, L. Latronico, I. Liodakis, S. Maldera, A. Manfreda, F. Marin, A. Marinucci, A.P. Marscher, H.L. Marshall, G. Matt, I. Mitsuishi, T. Mizuno, S.C.-Y. Ng, S.L. O’Dell, C. Oppedisano, A. Papitto, G.G. Pavlov, A.L. Peirson, M. Perri, M. Pesce-Rollins, M. Pilia, J. Poutanen, S. Puccetti, B.D. Ramsey, A. Ratheesh, R.W. Romani, C. Sgrò, P. Slane, P. Soffitta, G. Spandre, F. Tavecchio, Y. Tawara, A.F. Tennant, N.E. Thomas, F. Tombesi, A. Trois, S.S. Tsygankov, J. Vink, K. Wu, F. Xie, Science 378 (2022) 646–650.","ista":"Taverna R, Turolla R, Muleri F, Heyl J, Zane S, Baldini L, González-Caniulef D, Bachetti M, Rankin J, Caiazzo I, Di Lalla N, Doroshenko V, Errando M, Gau E, Kırmızıbayrak D, Krawczynski H, Negro M, Ng M, Omodei N, Possenti A, Tamagawa T, Uchiyama K, Weisskopf MC, Agudo I, Antonelli LA, Baumgartner WH, Bellazzini R, Bianchi S, Bongiorno SD, Bonino R, Brez A, Bucciantini N, Capitanio F, Castellano S, Cavazzuti E, Ciprini S, Costa E, De Rosa A, Del Monte E, Di Gesu L, Di Marco A, Donnarumma I, Dovčiak M, Ehlert SR, Enoto T, Evangelista Y, Fabiani S, Ferrazzoli R, Garcia JA, Gunji S, Hayashida K, Iwakiri W, Jorstad SG, Karas V, Kitaguchi T, Kolodziejczak JJ, La Monaca F, Latronico L, Liodakis I, Maldera S, Manfreda A, Marin F, Marinucci A, Marscher AP, Marshall HL, Matt G, Mitsuishi I, Mizuno T, Ng SC-Y, O’Dell SL, Oppedisano C, Papitto A, Pavlov GG, Peirson AL, Perri M, Pesce-Rollins M, Pilia M, Poutanen J, Puccetti S, Ramsey BD, Ratheesh A, Romani RW, Sgrò C, Slane P, Soffitta P, Spandre G, Tavecchio F, Tawara Y, Tennant AF, Thomas NE, Tombesi F, Trois A, Tsygankov SS, Vink J, Wu K, Xie F. 2022. Polarized x-rays from a magnetar. Science. 378(6620), 646–650.","apa":"Taverna, R., Turolla, R., Muleri, F., Heyl, J., Zane, S., Baldini, L., … Xie, F. (2022). Polarized x-rays from a magnetar. <i>Science</i>. American Association for the Advancement of Science. <a href=\"https://doi.org/10.1126/science.add0080\">https://doi.org/10.1126/science.add0080</a>","ama":"Taverna R, Turolla R, Muleri F, et al. Polarized x-rays from a magnetar. <i>Science</i>. 2022;378(6620):646-650. doi:<a href=\"https://doi.org/10.1126/science.add0080\">10.1126/science.add0080</a>","ieee":"R. Taverna <i>et al.</i>, “Polarized x-rays from a magnetar,” <i>Science</i>, vol. 378, no. 6620. American Association for the Advancement of Science, pp. 646–650, 2022.","mla":"Taverna, Roberto, et al. “Polarized X-Rays from a Magnetar.” <i>Science</i>, vol. 378, no. 6620, American Association for the Advancement of Science, 2022, pp. 646–50, doi:<a href=\"https://doi.org/10.1126/science.add0080\">10.1126/science.add0080</a>."},"external_id":{"arxiv":["2205.08898"]},"volume":378,"keyword":["Multidisciplinary"],"title":"Polarized x-rays from a magnetar","language":[{"iso":"eng"}],"main_file_link":[{"url":"https://arxiv.org/abs/2205.08898","open_access":"1"}],"day":"03","abstract":[{"text":"Magnetars are neutron stars with ultrastrong magnetic fields, which can be observed in x-rays. Polarization measurements could provide information on their magnetic fields and surface properties. We observed polarized x-rays from the magnetar 4U 0142+61 using the Imaging X-ray Polarimetry Explorer and found a linear polarization degree of 13.5 ± 0.8% averaged over the 2– to 8–kilo–electron volt band. The polarization changes with energy: The degree is 15.0 ± 1.0% at 2 to 4 kilo–electron volts, drops below the instrumental sensitivity ~4 to 5 kilo–electron volts, and rises to 35.2 ± 7.1% at 5.5 to 8 kilo–electron volts. The polarization angle also changes by 90° at ~4 to 5 kilo–electron volts. These results are consistent with a model in which thermal radiation from the magnetar surface is reprocessed by scattering off charged particles in the magnetosphere.","lang":"eng"}],"date_created":"2024-03-26T09:51:30Z","extern":"1","scopus_import":"1"},{"extern":"1","scopus_import":"1","volume":517,"keyword":["Space and Planetary Science","Astronomy and Astrophysics"],"title":"Testing general relativity using quasi-periodic oscillations from X-ray black holes: XTE J1550-564 and GRO J1655-40","main_file_link":[{"url":"https://arxiv.org/abs/2107.06828","open_access":"1"}],"language":[{"iso":"eng"}],"day":"28","abstract":[{"text":"We use the Relativistic Precession Model (RPM) and quasi-periodic oscillation (QPO) observations from the Rossi X-ray Timing Explorer to derive constraints on the properties of the black holes that power these sources and to test general relativity (GR) in the strong field regime. We build upon past techniques by using pairs of simultaneously measured QPOs, rather than triplets, and by including characteristic frequencies from the broad noise components of the power spectra in our fits. We find the inclusion of these broad noise components causes an overestimate in masses and underestimate in spins compared to values derived independently from optical spectra. We extend the underlying space-time metric to constrain potential deviations from the predictions of GR for astrophysical black holes. To do this, we modify the RPM model to a Kerr–Newman–deSitter space-time and model changes in the radial, ecliptic, and vertical frequencies. We compare our models with X-ray data of XTE J1550-564 and GRO J1655-40 using robust statistical techniques to constrain the parameters of the black holes and the deviations from GR. For both sources, using QPO and characteristic frequency data, we constrain particular deviations from GR to be less than one part per thousand.","lang":"eng"}],"date_created":"2024-03-26T09:51:55Z","publication":"Monthly Notices of the Royal Astronomical Society","type":"journal_article","arxiv":1,"intvolume":"       517","citation":{"ama":"Rink K, Caiazzo I, Heyl J. Testing general relativity using quasi-periodic oscillations from X-ray black holes: XTE J1550-564 and GRO J1655-40. <i>Monthly Notices of the Royal Astronomical Society</i>. 2022;517(1):1389-1397. doi:<a href=\"https://doi.org/10.1093/mnras/stac2740\">10.1093/mnras/stac2740</a>","apa":"Rink, K., Caiazzo, I., &#38; Heyl, J. (2022). Testing general relativity using quasi-periodic oscillations from X-ray black holes: XTE J1550-564 and GRO J1655-40. <i>Monthly Notices of the Royal Astronomical Society</i>. Oxford University Press. <a href=\"https://doi.org/10.1093/mnras/stac2740\">https://doi.org/10.1093/mnras/stac2740</a>","ieee":"K. Rink, I. Caiazzo, and J. Heyl, “Testing general relativity using quasi-periodic oscillations from X-ray black holes: XTE J1550-564 and GRO J1655-40,” <i>Monthly Notices of the Royal Astronomical Society</i>, vol. 517, no. 1. Oxford University Press, pp. 1389–1397, 2022.","mla":"Rink, Katherine, et al. “Testing General Relativity Using Quasi-Periodic Oscillations from X-Ray Black Holes: XTE J1550-564 and GRO J1655-40.” <i>Monthly Notices of the Royal Astronomical Society</i>, vol. 517, no. 1, Oxford University Press, 2022, pp. 1389–97, doi:<a href=\"https://doi.org/10.1093/mnras/stac2740\">10.1093/mnras/stac2740</a>.","short":"K. Rink, I. Caiazzo, J. Heyl, Monthly Notices of the Royal Astronomical Society 517 (2022) 1389–1397.","chicago":"Rink, Katherine, Ilaria Caiazzo, and Jeremy Heyl. “Testing General Relativity Using Quasi-Periodic Oscillations from X-Ray Black Holes: XTE J1550-564 and GRO J1655-40.” <i>Monthly Notices of the Royal Astronomical Society</i>. Oxford University Press, 2022. <a href=\"https://doi.org/10.1093/mnras/stac2740\">https://doi.org/10.1093/mnras/stac2740</a>.","ista":"Rink K, Caiazzo I, Heyl J. 2022. Testing general relativity using quasi-periodic oscillations from X-ray black holes: XTE J1550-564 and GRO J1655-40. Monthly Notices of the Royal Astronomical Society. 517(1), 1389–1397."},"external_id":{"arxiv":["2107.06828"]},"page":"1389-1397","author":[{"last_name":"Rink","full_name":"Rink, Katherine","first_name":"Katherine"},{"orcid":"0000-0002-4770-5388","last_name":"Caiazzo","full_name":"Caiazzo, Ilaria","first_name":"Ilaria","id":"8ae5b6e7-2a03-11ee-914d-b58ed7a3b47d"},{"first_name":"Jeremy","full_name":"Heyl, Jeremy","last_name":"Heyl"}],"quality_controlled":"1","doi":"10.1093/mnras/stac2740","_id":"15206","article_type":"original","month":"09","date_published":"2022-09-28T00:00:00Z","publication_status":"published","date_updated":"2024-04-02T07:18:07Z","publisher":"Oxford University Press","oa":1,"article_processing_charge":"No","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","publication_identifier":{"eissn":["1365-2966"],"issn":["0035-8711"]},"oa_version":"Preprint","status":"public","year":"2022","issue":"1"},{"pmid":1,"scopus_import":"1","extern":"1","date_created":"2024-03-26T09:52:17Z","abstract":[{"lang":"eng","text":"Of more than a thousand known cataclysmic variables (CVs), where a white dwarf is accreting from a hydrogen-rich star, only a dozen have orbital periods below 75 minutes1,2,3,4,5,6,7,8,9. One way to achieve these short periods requires the donor star to have undergone substantial nuclear evolution before interacting with the white dwarf10,11,12,13,14, and it is expected that these objects will transition to helium accretion. These transitional CVs have been proposed as progenitors of helium CVs13,14,15,16,17,18. However, no known transitional CV is expected to reach an orbital period short enough to account for most of the helium CV population, leaving the role of this evolutionary pathway unclear. Here we report observations of ZTF J1813+4251, a 51-minute-orbital-period, fully eclipsing binary system consisting of a star with a temperature comparable to that of the Sun but a density 100 times greater owing to its helium-rich composition, accreting onto a white dwarf. Phase-resolved spectra, multi-band light curves and the broadband spectral energy distribution allow us to obtain precise and robust constraints on the masses, radii and temperatures of both components. Evolutionary modelling shows that ZTF J1813+4251 is destined to become a helium CV binary, reaching an orbital period under 20 minutes, rendering ZTF J1813+4251 a previously missing link between helium CV binaries and hydrogen-rich CVs."}],"day":"05","volume":610,"language":[{"iso":"eng"}],"main_file_link":[{"open_access":"1","url":"https://arxiv.org/abs/2210.01809"}],"title":"A dense 0.1-solar-mass star in a 51-minute-orbital-period eclipsing binary","intvolume":"       610","arxiv":1,"external_id":{"pmid":["36198793"],"arxiv":["2210.01809"]},"citation":{"mla":"Burdge, Kevin B., et al. “A Dense 0.1-Solar-Mass Star in a 51-Minute-Orbital-Period Eclipsing Binary.” <i>Nature</i>, vol. 610, no. 7932, Springer Nature, 2022, pp. 467–71, doi:<a href=\"https://doi.org/10.1038/s41586-022-05195-x\">10.1038/s41586-022-05195-x</a>.","ieee":"K. B. Burdge <i>et al.</i>, “A dense 0.1-solar-mass star in a 51-minute-orbital-period eclipsing binary,” <i>Nature</i>, vol. 610, no. 7932. Springer Nature, pp. 467–471, 2022.","apa":"Burdge, K. B., El-Badry, K., Marsh, T. R., Rappaport, S., Brown, W. R., Caiazzo, I., … Prince, T. A. (2022). A dense 0.1-solar-mass star in a 51-minute-orbital-period eclipsing binary. <i>Nature</i>. Springer Nature. <a href=\"https://doi.org/10.1038/s41586-022-05195-x\">https://doi.org/10.1038/s41586-022-05195-x</a>","ama":"Burdge KB, El-Badry K, Marsh TR, et al. A dense 0.1-solar-mass star in a 51-minute-orbital-period eclipsing binary. <i>Nature</i>. 2022;610(7932):467-471. doi:<a href=\"https://doi.org/10.1038/s41586-022-05195-x\">10.1038/s41586-022-05195-x</a>","ista":"Burdge KB, El-Badry K, Marsh TR, Rappaport S, Brown WR, Caiazzo I, Chakrabarty D, Dhillon VS, Fuller J, Gänsicke BT, Graham MJ, Kara E, Kulkarni SR, Littlefair SP, Mróz P, Rodríguez-Gil P, Roestel J van, Simcoe RA, Bellm EC, Drake AJ, Dekany RG, Groom SL, Laher RR, Masci FJ, Riddle R, Smith RM, Prince TA. 2022. A dense 0.1-solar-mass star in a 51-minute-orbital-period eclipsing binary. Nature. 610(7932), 467–471.","chicago":"Burdge, Kevin B., Kareem El-Badry, Thomas R. Marsh, Saul Rappaport, Warren R. Brown, Ilaria Caiazzo, Deepto Chakrabarty, et al. “A Dense 0.1-Solar-Mass Star in a 51-Minute-Orbital-Period Eclipsing Binary.” <i>Nature</i>. Springer Nature, 2022. <a href=\"https://doi.org/10.1038/s41586-022-05195-x\">https://doi.org/10.1038/s41586-022-05195-x</a>.","short":"K.B. Burdge, K. El-Badry, T.R. Marsh, S. Rappaport, W.R. Brown, I. Caiazzo, D. Chakrabarty, V.S. Dhillon, J. Fuller, B.T. Gänsicke, M.J. Graham, E. Kara, S.R. Kulkarni, S.P. Littlefair, P. Mróz, P. Rodríguez-Gil, J. van Roestel, R.A. Simcoe, E.C. Bellm, A.J. Drake, R.G. Dekany, S.L. Groom, R.R. Laher, F.J. Masci, R. Riddle, R.M. Smith, T.A. Prince, Nature 610 (2022) 467–471."},"type":"journal_article","publication":"Nature","_id":"15207","doi":"10.1038/s41586-022-05195-x","author":[{"last_name":"Burdge","full_name":"Burdge, Kevin B.","first_name":"Kevin B."},{"full_name":"El-Badry, Kareem","first_name":"Kareem","last_name":"El-Badry"},{"first_name":"Thomas R.","full_name":"Marsh, Thomas R.","last_name":"Marsh"},{"full_name":"Rappaport, Saul","first_name":"Saul","last_name":"Rappaport"},{"first_name":"Warren R.","full_name":"Brown, Warren R.","last_name":"Brown"},{"orcid":"0000-0002-4770-5388","last_name":"Caiazzo","full_name":"Caiazzo, Ilaria","first_name":"Ilaria","id":"8ae5b6e7-2a03-11ee-914d-b58ed7a3b47d"},{"first_name":"Deepto","full_name":"Chakrabarty, Deepto","last_name":"Chakrabarty"},{"first_name":"V. S.","full_name":"Dhillon, V. S.","last_name":"Dhillon"},{"last_name":"Fuller","full_name":"Fuller, Jim","first_name":"Jim"},{"last_name":"Gänsicke","first_name":"Boris T.","full_name":"Gänsicke, Boris T."},{"last_name":"Graham","full_name":"Graham, Matthew J.","first_name":"Matthew J."},{"last_name":"Kara","first_name":"Erin","full_name":"Kara, Erin"},{"last_name":"Kulkarni","first_name":"S. R.","full_name":"Kulkarni, S. R."},{"full_name":"Littlefair, S. P.","first_name":"S. P.","last_name":"Littlefair"},{"last_name":"Mróz","full_name":"Mróz, Przemek","first_name":"Przemek"},{"last_name":"Rodríguez-Gil","full_name":"Rodríguez-Gil, Pablo","first_name":"Pablo"},{"first_name":"Jan van","full_name":"Roestel, Jan van","last_name":"Roestel"},{"first_name":"Robert A.","full_name":"Simcoe, Robert A.","last_name":"Simcoe"},{"first_name":"Eric C.","full_name":"Bellm, Eric C.","last_name":"Bellm"},{"last_name":"Drake","full_name":"Drake, Andrew J.","first_name":"Andrew J."},{"full_name":"Dekany, Richard G.","first_name":"Richard G.","last_name":"Dekany"},{"first_name":"Steven L.","full_name":"Groom, Steven L.","last_name":"Groom"},{"first_name":"Russ R.","full_name":"Laher, Russ R.","last_name":"Laher"},{"full_name":"Masci, Frank J.","first_name":"Frank J.","last_name":"Masci"},{"full_name":"Riddle, Reed","first_name":"Reed","last_name":"Riddle"},{"last_name":"Smith","first_name":"Roger M.","full_name":"Smith, Roger M."},{"first_name":"Thomas A.","full_name":"Prince, Thomas A.","last_name":"Prince"}],"page":"467-471","quality_controlled":"1","publisher":"Springer Nature","date_updated":"2024-04-02T07:18:43Z","publication_status":"published","date_published":"2022-10-05T00:00:00Z","month":"10","article_type":"original","article_processing_charge":"No","oa":1,"oa_version":"Preprint","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","publication_identifier":{"eissn":["1476-4687"],"issn":["0028-0836"]},"status":"public","year":"2022","issue":"7932"},{"day":"09","abstract":[{"text":"This year, a new era of observations of compact objects in X-ray polarization is commencing. Among the key targets for the Imaging X-ray Polarimetry Explorer mission are the magnetars 4U 0142+61 and 1RXS J170849.0-400910. Here, we present detailed predictions of the expected polarization from these sources that incorporate realistic models of emission physics at the surface (gaseous or condensed), the temperature distribution on the surface, general relativity, quantum electrodynamics, and scattering in the magnetosphere, accounting for the broad-band spectral energy distribution from below 1 keV to nearly 100 keV. We find that either atmospheres or condensed surfaces can account for the emission at a few keV. In both cases, either a small hot polar cap or scattering is required to account for the emission at 5–10 keV and, above 10 keV, scattering by a hard population of electrons can account for the rising power in the hard X-rays observed in many magnetars in quiescence. Although these different scenarios result in very similar spectral energy distributions, they generate dramatically different polarization signatures from 2 to 8 keV, which is the range of sensitivity of the Imaging X-ray Polarimetry Explorer. Observations of these sources in X-ray polarization will therefore probe the emission from magnetars in an essentially new way.","lang":"eng"}],"date_created":"2024-03-26T09:52:41Z","title":"Probing magnetar emission mechanisms with X-ray spectropolarimetry","language":[{"iso":"eng"}],"main_file_link":[{"open_access":"1","url":"https://arxiv.org/abs/2112.03401"}],"keyword":["Space and Planetary Science","Astronomy and Astrophysics"],"volume":514,"extern":"1","scopus_import":"1","doi":"10.1093/mnras/stac1571","_id":"15208","quality_controlled":"1","page":"5024-5034","author":[{"full_name":"Caiazzo, Ilaria","first_name":"Ilaria","id":"8ae5b6e7-2a03-11ee-914d-b58ed7a3b47d","orcid":"0000-0002-4770-5388","last_name":"Caiazzo"},{"last_name":"González-Caniulef","first_name":"Denis","full_name":"González-Caniulef, Denis"},{"first_name":"Jeremy","full_name":"Heyl, Jeremy","last_name":"Heyl"},{"last_name":"Fernández","first_name":"Rodrigo","full_name":"Fernández, Rodrigo"}],"citation":{"ista":"Caiazzo I, González-Caniulef D, Heyl J, Fernández R. 2022. Probing magnetar emission mechanisms with X-ray spectropolarimetry. Monthly Notices of the Royal Astronomical Society. 514(4), 5024–5034.","chicago":"Caiazzo, Ilaria, Denis González-Caniulef, Jeremy Heyl, and Rodrigo Fernández. “Probing Magnetar Emission Mechanisms with X-Ray Spectropolarimetry.” <i>Monthly Notices of the Royal Astronomical Society</i>. Oxford University Press, 2022. <a href=\"https://doi.org/10.1093/mnras/stac1571\">https://doi.org/10.1093/mnras/stac1571</a>.","short":"I. Caiazzo, D. González-Caniulef, J. Heyl, R. Fernández, Monthly Notices of the Royal Astronomical Society 514 (2022) 5024–5034.","mla":"Caiazzo, Ilaria, et al. “Probing Magnetar Emission Mechanisms with X-Ray Spectropolarimetry.” <i>Monthly Notices of the Royal Astronomical Society</i>, vol. 514, no. 4, Oxford University Press, 2022, pp. 5024–34, doi:<a href=\"https://doi.org/10.1093/mnras/stac1571\">10.1093/mnras/stac1571</a>.","ieee":"I. Caiazzo, D. González-Caniulef, J. Heyl, and R. Fernández, “Probing magnetar emission mechanisms with X-ray spectropolarimetry,” <i>Monthly Notices of the Royal Astronomical Society</i>, vol. 514, no. 4. Oxford University Press, pp. 5024–5034, 2022.","apa":"Caiazzo, I., González-Caniulef, D., Heyl, J., &#38; Fernández, R. (2022). Probing magnetar emission mechanisms with X-ray spectropolarimetry. <i>Monthly Notices of the Royal Astronomical Society</i>. Oxford University Press. <a href=\"https://doi.org/10.1093/mnras/stac1571\">https://doi.org/10.1093/mnras/stac1571</a>","ama":"Caiazzo I, González-Caniulef D, Heyl J, Fernández R. Probing magnetar emission mechanisms with X-ray spectropolarimetry. <i>Monthly Notices of the Royal Astronomical Society</i>. 2022;514(4):5024-5034. doi:<a href=\"https://doi.org/10.1093/mnras/stac1571\">10.1093/mnras/stac1571</a>"},"external_id":{"arxiv":["2112.03401"]},"arxiv":1,"intvolume":"       514","publication":"Monthly Notices of the Royal Astronomical Society","type":"journal_article","article_processing_charge":"No","oa":1,"publisher":"Oxford University Press","date_published":"2022-06-09T00:00:00Z","month":"06","article_type":"original","publication_status":"published","date_updated":"2024-10-14T12:32:39Z","status":"public","year":"2022","issue":"4","oa_version":"Preprint","publication_identifier":{"issn":["0035-8711"],"eissn":["1365-2966"]},"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87"},{"date_published":"2022-05-16T00:00:00Z","article_type":"original","month":"05","date_updated":"2024-04-02T07:24:15Z","publication_status":"published","publisher":"Oxford University Press","oa":1,"article_processing_charge":"No","publication_identifier":{"eissn":["1365-2966"],"issn":["0035-8711"]},"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","oa_version":"Preprint","issue":"3","status":"public","year":"2022","extern":"1","scopus_import":"1","title":"Slow convection and fast rotation in crystallization-driven white dwarf dynamos","language":[{"iso":"eng"}],"main_file_link":[{"open_access":"1","url":"https://arxiv.org/abs/2202.12902"}],"keyword":["Space and Planetary Science","Astronomy and Astrophysics"],"volume":514,"abstract":[{"text":"It has been recently suggested that white dwarfs generate magnetic fields in a process analogous to the Earth. The crystallization of the core creates a compositional inversion that drives convection, and combined with rotation, this can sustain a magnetic dynamo. We reanalyse the dynamo mechanism, arising from the slow crystallization of the core, and find convective turnover times tconv of weeks to months – longer by orders of magnitude than previously thought. With white dwarf spin periods P ≪ tconv, crystallization-driven dynamos are almost always in the fast-rotating regime, where the magnetic field B is at least in equipartition with the convective motion and is possibly further enhanced by a factor of B ∝ (tconv/P)1/2, depending on the assumed dynamo scaling law. We track the growth of the crystallized core using MESA and compute the magnetic field B(Teff) as a function of the white dwarf’s effective temperature Teff. We compare this prediction with observations and show that crystallization-driven dynamos can explain some – but not all – of the ∼MG magnetic fields measured for single white dwarfs, as well as the stronger fields measured for white dwarfs in cataclysmic variables, which were spun up by mass accretion to short P. Our B(Teff) curves might also explain the clustering of white dwarfs with Balmer emission lines around Teff ≈ 7500 K.","lang":"eng"}],"day":"16","date_created":"2024-03-26T09:53:04Z","type":"journal_article","publication":"Monthly Notices of the Royal Astronomical Society","citation":{"ama":"Ginzburg S, Fuller J, Kawka A, Caiazzo I. Slow convection and fast rotation in crystallization-driven white dwarf dynamos. <i>Monthly Notices of the Royal Astronomical Society</i>. 2022;514(3):4111-4119. doi:<a href=\"https://doi.org/10.1093/mnras/stac1363\">10.1093/mnras/stac1363</a>","apa":"Ginzburg, S., Fuller, J., Kawka, A., &#38; Caiazzo, I. (2022). Slow convection and fast rotation in crystallization-driven white dwarf dynamos. <i>Monthly Notices of the Royal Astronomical Society</i>. Oxford University Press. <a href=\"https://doi.org/10.1093/mnras/stac1363\">https://doi.org/10.1093/mnras/stac1363</a>","mla":"Ginzburg, Sivan, et al. “Slow Convection and Fast Rotation in Crystallization-Driven White Dwarf Dynamos.” <i>Monthly Notices of the Royal Astronomical Society</i>, vol. 514, no. 3, Oxford University Press, 2022, pp. 4111–19, doi:<a href=\"https://doi.org/10.1093/mnras/stac1363\">10.1093/mnras/stac1363</a>.","ieee":"S. Ginzburg, J. Fuller, A. Kawka, and I. Caiazzo, “Slow convection and fast rotation in crystallization-driven white dwarf dynamos,” <i>Monthly Notices of the Royal Astronomical Society</i>, vol. 514, no. 3. Oxford University Press, pp. 4111–4119, 2022.","short":"S. Ginzburg, J. Fuller, A. Kawka, I. Caiazzo, Monthly Notices of the Royal Astronomical Society 514 (2022) 4111–4119.","chicago":"Ginzburg, Sivan, Jim Fuller, Adela Kawka, and Ilaria Caiazzo. “Slow Convection and Fast Rotation in Crystallization-Driven White Dwarf Dynamos.” <i>Monthly Notices of the Royal Astronomical Society</i>. Oxford University Press, 2022. <a href=\"https://doi.org/10.1093/mnras/stac1363\">https://doi.org/10.1093/mnras/stac1363</a>.","ista":"Ginzburg S, Fuller J, Kawka A, Caiazzo I. 2022. Slow convection and fast rotation in crystallization-driven white dwarf dynamos. Monthly Notices of the Royal Astronomical Society. 514(3), 4111–4119."},"external_id":{"arxiv":["2202.12902"]},"arxiv":1,"intvolume":"       514","quality_controlled":"1","author":[{"full_name":"Ginzburg, Sivan","first_name":"Sivan","last_name":"Ginzburg"},{"last_name":"Fuller","full_name":"Fuller, Jim","first_name":"Jim"},{"first_name":"Adela","full_name":"Kawka, Adela","last_name":"Kawka"},{"orcid":"0000-0002-4770-5388","last_name":"Caiazzo","first_name":"Ilaria","full_name":"Caiazzo, Ilaria","id":"8ae5b6e7-2a03-11ee-914d-b58ed7a3b47d"}],"page":"4111-4119","doi":"10.1093/mnras/stac1363","_id":"15209"},{"tmp":{"legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","image":"/images/cc_by.png"},"oa_version":"Published Version","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","publication_identifier":{"issn":["2041-8205"],"eissn":["2041-8213"]},"year":"2022","issue":"2","status":"public","publisher":"American Astronomical Society","date_published":"2022-05-30T00:00:00Z","article_type":"original","month":"05","publication_status":"published","date_updated":"2024-04-02T07:25:50Z","article_number":"L20","article_processing_charge":"No","oa":1,"arxiv":1,"intvolume":"       931","citation":{"mla":"Richer, Harvey B., et al. “When Do Stars Go Boom?” <i>The Astrophysical Journal Letters</i>, vol. 931, no. 2, L20, American Astronomical Society, 2022, doi:<a href=\"https://doi.org/10.3847/2041-8213/ac6585\">10.3847/2041-8213/ac6585</a>.","ieee":"H. B. Richer <i>et al.</i>, “When do stars go boom?,” <i>The Astrophysical Journal Letters</i>, vol. 931, no. 2. American Astronomical Society, 2022.","apa":"Richer, H. B., Cohen, R. E., Heyl, J., Kalirai, J., Caiazzo, I., Correnti, M., … Williams, B. (2022). When do stars go boom? <i>The Astrophysical Journal Letters</i>. American Astronomical Society. <a href=\"https://doi.org/10.3847/2041-8213/ac6585\">https://doi.org/10.3847/2041-8213/ac6585</a>","ama":"Richer HB, Cohen RE, Heyl J, et al. When do stars go boom? <i>The Astrophysical Journal Letters</i>. 2022;931(2). doi:<a href=\"https://doi.org/10.3847/2041-8213/ac6585\">10.3847/2041-8213/ac6585</a>","ista":"Richer HB, Cohen RE, Heyl J, Kalirai J, Caiazzo I, Correnti M, Cummings J, Goudfrooij P, Hansen BMS, Peeples M, Sabbi E, Tremblay P-E, Williams B. 2022. When do stars go boom? The Astrophysical Journal Letters. 931(2), L20.","chicago":"Richer, Harvey B., Roger E. Cohen, Jeremy Heyl, Jason Kalirai, Ilaria Caiazzo, Matteo Correnti, Jeffrey Cummings, et al. “When Do Stars Go Boom?” <i>The Astrophysical Journal Letters</i>. American Astronomical Society, 2022. <a href=\"https://doi.org/10.3847/2041-8213/ac6585\">https://doi.org/10.3847/2041-8213/ac6585</a>.","short":"H.B. Richer, R.E. Cohen, J. Heyl, J. Kalirai, I. Caiazzo, M. Correnti, J. Cummings, P. Goudfrooij, B.M.S. Hansen, M. Peeples, E. Sabbi, P.-E. Tremblay, B. Williams, The Astrophysical Journal Letters 931 (2022)."},"external_id":{"arxiv":["2203.11264"]},"publication":"The Astrophysical Journal Letters","type":"journal_article","doi":"10.3847/2041-8213/ac6585","_id":"15210","author":[{"full_name":"Richer, Harvey B.","first_name":"Harvey B.","last_name":"Richer"},{"last_name":"Cohen","full_name":"Cohen, Roger E.","first_name":"Roger E."},{"full_name":"Heyl, Jeremy","first_name":"Jeremy","last_name":"Heyl"},{"full_name":"Kalirai, Jason","first_name":"Jason","last_name":"Kalirai"},{"first_name":"Ilaria","full_name":"Caiazzo, Ilaria","id":"8ae5b6e7-2a03-11ee-914d-b58ed7a3b47d","orcid":"0000-0002-4770-5388","last_name":"Caiazzo"},{"last_name":"Correnti","first_name":"Matteo","full_name":"Correnti, Matteo"},{"full_name":"Cummings, Jeffrey","first_name":"Jeffrey","last_name":"Cummings"},{"first_name":"Paul","full_name":"Goudfrooij, Paul","last_name":"Goudfrooij"},{"full_name":"Hansen, Bradley M. S.","first_name":"Bradley M. S.","last_name":"Hansen"},{"last_name":"Peeples","full_name":"Peeples, Molly","first_name":"Molly"},{"full_name":"Sabbi, Elena","first_name":"Elena","last_name":"Sabbi"},{"last_name":"Tremblay","full_name":"Tremblay, Pier-Emmanuel","first_name":"Pier-Emmanuel"},{"last_name":"Williams","first_name":"Benjamin","full_name":"Williams, Benjamin"}],"quality_controlled":"1","scopus_import":"1","extern":"1","abstract":[{"lang":"eng","text":"The maximum mass of a star that can produce a white dwarf (WD) is an important astrophysical quantity. One of the best approaches to establishing this limit is to search for WDs in young star clusters in which only massive stars have had time to evolve and where the mass of the progenitor can be established from the cooling time of the WD together with the age of the cluster. Searches in young Milky Way clusters have not thus far yielded WD members more massive than about 1.1 M⊙, well below the Chandrasekhar mass of 1.38 M⊙, nor progenitors with masses in excess of about 6 M⊙. However, the hunt for potentially massive WDs that escaped their cluster environs is yielding interesting candidates. To expand the cluster sample further, we used HST to survey four young and massive star clusters in the Magellanic Clouds for bright WDs that could have evolved from stars as massive as 10 M⊙. We located five potential WD candidates in the oldest of the four clusters examined, the first extragalactic single WDs thus far discovered. As these hot WDs are very faint at optical wavelengths, final confirmation will likely have to await spectroscopy with 30 m class telescopes."}],"day":"30","date_created":"2024-03-26T10:28:48Z","volume":931,"keyword":["Space and Planetary Science","Astronomy and Astrophysics"],"title":"When do stars go boom?","language":[{"iso":"eng"}],"main_file_link":[{"url":"https://doi.org/10.3847/2041-8213/ac6585","open_access":"1"}]},{"doi":"10.1038/s41586-022-04551-1","_id":"15211","quality_controlled":"1","page":"41-45","author":[{"last_name":"Burdge","first_name":"Kevin B.","full_name":"Burdge, Kevin B."},{"full_name":"Marsh, Thomas R.","first_name":"Thomas R.","last_name":"Marsh"},{"full_name":"Fuller, Jim","first_name":"Jim","last_name":"Fuller"},{"first_name":"Eric C.","full_name":"Bellm, Eric C.","last_name":"Bellm"},{"orcid":"0000-0002-4770-5388","last_name":"Caiazzo","full_name":"Caiazzo, Ilaria","first_name":"Ilaria","id":"8ae5b6e7-2a03-11ee-914d-b58ed7a3b47d"},{"first_name":"Deepto","full_name":"Chakrabarty, Deepto","last_name":"Chakrabarty"},{"first_name":"Michael W.","full_name":"Coughlin, Michael W.","last_name":"Coughlin"},{"last_name":"De","full_name":"De, Kishalay","first_name":"Kishalay"},{"last_name":"Dhillon","first_name":"V. S.","full_name":"Dhillon, V. S."},{"last_name":"Graham","first_name":"Matthew J.","full_name":"Graham, Matthew J."},{"first_name":"Pablo","full_name":"Rodríguez-Gil, Pablo","last_name":"Rodríguez-Gil"},{"full_name":"Jaodand, Amruta D.","first_name":"Amruta D.","last_name":"Jaodand"},{"full_name":"Kaplan, David L.","first_name":"David L.","last_name":"Kaplan"},{"last_name":"Kara","full_name":"Kara, Erin","first_name":"Erin"},{"full_name":"Kong, Albert K. H.","first_name":"Albert K. H.","last_name":"Kong"},{"last_name":"Kulkarni","first_name":"S. R.","full_name":"Kulkarni, S. R."},{"first_name":"Kwan-Lok","full_name":"Li, Kwan-Lok","last_name":"Li"},{"last_name":"Littlefair","first_name":"S. P.","full_name":"Littlefair, S. P."},{"full_name":"Majid, Walid A.","first_name":"Walid A.","last_name":"Majid"},{"last_name":"Mróz","first_name":"Przemek","full_name":"Mróz, Przemek"},{"full_name":"Pearlman, Aaron B.","first_name":"Aaron B.","last_name":"Pearlman"},{"last_name":"Phinney","full_name":"Phinney, E. S.","first_name":"E. S."},{"last_name":"Roestel","first_name":"Jan van","full_name":"Roestel, Jan van"},{"last_name":"Simcoe","first_name":"Robert A.","full_name":"Simcoe, Robert A."},{"last_name":"Andreoni","first_name":"Igor","full_name":"Andreoni, Igor"},{"full_name":"Drake, Andrew J.","first_name":"Andrew J.","last_name":"Drake"},{"full_name":"Dekany, Richard G.","first_name":"Richard G.","last_name":"Dekany"},{"last_name":"Duev","first_name":"Dmitry A.","full_name":"Duev, Dmitry A."},{"last_name":"Kool","full_name":"Kool, Erik C.","first_name":"Erik C."},{"full_name":"Mahabal, Ashish A.","first_name":"Ashish A.","last_name":"Mahabal"},{"full_name":"Medford, Michael S.","first_name":"Michael S.","last_name":"Medford"},{"last_name":"Riddle","full_name":"Riddle, Reed","first_name":"Reed"},{"full_name":"Prince, Thomas A.","first_name":"Thomas A.","last_name":"Prince"}],"citation":{"mla":"Burdge, Kevin B., et al. “A 62-Minute Orbital Period Black Widow Binary in a Wide Hierarchical Triple.” <i>Nature</i>, vol. 605, no. 7908, Springer Nature, 2022, pp. 41–45, doi:<a href=\"https://doi.org/10.1038/s41586-022-04551-1\">10.1038/s41586-022-04551-1</a>.","ieee":"K. B. Burdge <i>et al.</i>, “A 62-minute orbital period black widow binary in a wide hierarchical triple,” <i>Nature</i>, vol. 605, no. 7908. Springer Nature, pp. 41–45, 2022.","apa":"Burdge, K. B., Marsh, T. R., Fuller, J., Bellm, E. C., Caiazzo, I., Chakrabarty, D., … Prince, T. A. (2022). A 62-minute orbital period black widow binary in a wide hierarchical triple. <i>Nature</i>. Springer Nature. <a href=\"https://doi.org/10.1038/s41586-022-04551-1\">https://doi.org/10.1038/s41586-022-04551-1</a>","ama":"Burdge KB, Marsh TR, Fuller J, et al. A 62-minute orbital period black widow binary in a wide hierarchical triple. <i>Nature</i>. 2022;605(7908):41-45. doi:<a href=\"https://doi.org/10.1038/s41586-022-04551-1\">10.1038/s41586-022-04551-1</a>","ista":"Burdge KB, Marsh TR, Fuller J, Bellm EC, Caiazzo I, Chakrabarty D, Coughlin MW, De K, Dhillon VS, Graham MJ, Rodríguez-Gil P, Jaodand AD, Kaplan DL, Kara E, Kong AKH, Kulkarni SR, Li K-L, Littlefair SP, Majid WA, Mróz P, Pearlman AB, Phinney ES, Roestel J van, Simcoe RA, Andreoni I, Drake AJ, Dekany RG, Duev DA, Kool EC, Mahabal AA, Medford MS, Riddle R, Prince TA. 2022. A 62-minute orbital period black widow binary in a wide hierarchical triple. Nature. 605(7908), 41–45.","chicago":"Burdge, Kevin B., Thomas R. Marsh, Jim Fuller, Eric C. Bellm, Ilaria Caiazzo, Deepto Chakrabarty, Michael W. Coughlin, et al. “A 62-Minute Orbital Period Black Widow Binary in a Wide Hierarchical Triple.” <i>Nature</i>. Springer Nature, 2022. <a href=\"https://doi.org/10.1038/s41586-022-04551-1\">https://doi.org/10.1038/s41586-022-04551-1</a>.","short":"K.B. Burdge, T.R. Marsh, J. Fuller, E.C. Bellm, I. Caiazzo, D. Chakrabarty, M.W. Coughlin, K. De, V.S. Dhillon, M.J. Graham, P. Rodríguez-Gil, A.D. Jaodand, D.L. Kaplan, E. Kara, A.K.H. Kong, S.R. Kulkarni, K.-L. Li, S.P. Littlefair, W.A. Majid, P. Mróz, A.B. Pearlman, E.S. Phinney, J. van Roestel, R.A. Simcoe, I. Andreoni, A.J. Drake, R.G. Dekany, D.A. Duev, E.C. Kool, A.A. Mahabal, M.S. Medford, R. Riddle, T.A. Prince, Nature 605 (2022) 41–45."},"external_id":{"arxiv":["2205.02278"],"pmid":["35508781"]},"arxiv":1,"intvolume":"       605","publication":"Nature","type":"journal_article","day":"04","abstract":[{"lang":"eng","text":"Over a dozen millisecond pulsars are ablating low-mass companions in close binary systems. In the original ‘black widow’, the eight-hour orbital period eclipsing pulsar PSR J1959+2048 (PSR B1957+20)1, high-energy emission originating from the pulsar2 is irradiating and may eventually destroy3 a low-mass companion. These systems are not only physical laboratories that reveal the interesting results of exposing a close companion star to the relativistic energy output of a pulsar, but are also believed to harbour some of the most massive neutron stars4, allowing for robust tests of the neutron star equation of state. Here we report observations of ZTF J1406+1222, a wide hierarchical triple hosting a 62-minute orbital period black widow candidate, the optical flux of which varies by a factor of more than ten. ZTF J1406+1222 pushes the boundaries of evolutionary models5, falling below the 80-minute minimum orbital period of hydrogen-rich systems. The wide tertiary companion is a rare low-metallicity cool subdwarf star, and the system has a Galactic halo orbit consistent with passing near the Galactic Centre, making it a probe of formation channels, neutron star kick physics6 and binary evolution."}],"date_created":"2024-03-26T10:29:26Z","title":"A 62-minute orbital period black widow binary in a wide hierarchical triple","main_file_link":[{"open_access":"1","url":"https://arxiv.org/abs/2205.02278"}],"language":[{"iso":"eng"}],"keyword":["Multidisciplinary"],"volume":605,"pmid":1,"scopus_import":"1","extern":"1","issue":"7908","status":"public","year":"2022","oa_version":"Preprint","publication_identifier":{"issn":["0028-0836"],"eissn":["1476-4687"]},"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","article_processing_charge":"No","oa":1,"publisher":"Springer Nature","date_published":"2022-05-04T00:00:00Z","article_type":"original","month":"05","date_updated":"2024-04-02T07:26:19Z","publication_status":"published"},{"oa_version":"Preprint","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","publication_identifier":{"eissn":["1365-2966"],"issn":["0035-8711"]},"year":"2022","status":"public","issue":"4","publisher":"Oxford University Press","publication_status":"published","date_updated":"2024-04-02T07:26:50Z","month":"02","date_published":"2022-02-21T00:00:00Z","article_type":"original","article_processing_charge":"No","oa":1,"intvolume":"       511","arxiv":1,"external_id":{"arxiv":["2110.00598"]},"citation":{"ista":"Fleury L, Caiazzo I, Heyl J. 2022. The cooling of massive white dwarfs from <i>Gaia</i> EDR3. Monthly Notices of the Royal Astronomical Society. 511(4), 5984–5993.","chicago":"Fleury, Leesa, Ilaria Caiazzo, and Jeremy Heyl. “The Cooling of Massive White Dwarfs from <i>Gaia</i> EDR3.” <i>Monthly Notices of the Royal Astronomical Society</i>. Oxford University Press, 2022. <a href=\"https://doi.org/10.1093/mnras/stac458\">https://doi.org/10.1093/mnras/stac458</a>.","short":"L. Fleury, I. Caiazzo, J. Heyl, Monthly Notices of the Royal Astronomical Society 511 (2022) 5984–5993.","ieee":"L. Fleury, I. Caiazzo, and J. Heyl, “The cooling of massive white dwarfs from <i>Gaia</i> EDR3,” <i>Monthly Notices of the Royal Astronomical Society</i>, vol. 511, no. 4. Oxford University Press, pp. 5984–5993, 2022.","mla":"Fleury, Leesa, et al. “The Cooling of Massive White Dwarfs from <i>Gaia</i> EDR3.” <i>Monthly Notices of the Royal Astronomical Society</i>, vol. 511, no. 4, Oxford University Press, 2022, pp. 5984–93, doi:<a href=\"https://doi.org/10.1093/mnras/stac458\">10.1093/mnras/stac458</a>.","apa":"Fleury, L., Caiazzo, I., &#38; Heyl, J. (2022). The cooling of massive white dwarfs from <i>Gaia</i> EDR3. <i>Monthly Notices of the Royal Astronomical Society</i>. Oxford University Press. <a href=\"https://doi.org/10.1093/mnras/stac458\">https://doi.org/10.1093/mnras/stac458</a>","ama":"Fleury L, Caiazzo I, Heyl J. The cooling of massive white dwarfs from <i>Gaia</i> EDR3. <i>Monthly Notices of the Royal Astronomical Society</i>. 2022;511(4):5984-5993. doi:<a href=\"https://doi.org/10.1093/mnras/stac458\">10.1093/mnras/stac458</a>"},"type":"journal_article","publication":"Monthly Notices of the Royal Astronomical Society","_id":"15212","doi":"10.1093/mnras/stac458","author":[{"last_name":"Fleury","full_name":"Fleury, Leesa","first_name":"Leesa"},{"orcid":"0000-0002-4770-5388","last_name":"Caiazzo","first_name":"Ilaria","full_name":"Caiazzo, Ilaria","id":"8ae5b6e7-2a03-11ee-914d-b58ed7a3b47d"},{"last_name":"Heyl","first_name":"Jeremy","full_name":"Heyl, Jeremy"}],"page":"5984-5993","quality_controlled":"1","scopus_import":"1","extern":"1","date_created":"2024-03-26T10:31:05Z","abstract":[{"text":"We determine the distribution of cooling ages of massive Gaia EDR3 white dwarfs identified with over 90 per cent probability within 200 pc and with mass in the range 0.95–1.25 M⊙. Using three sets of publicly available models, we consider sub-samples of these white dwarfs sorted into three equally spaced mass bins. Under the assumption of a constant white dwarf formation rate, we find an excess of white dwarfs, both along the Q branch and below it, corresponding respectively to stars that are in the process of freezing and those that are completely frozen. We compare the cooling age distributions for each of these bins to the recently determined time-varying star formation rate of Gaia DR2 main sequence stars. For white dwarfs in the two lightest mass bins, spanning the mass range 0.95–1.15 M⊙, we find that the cumulative cooling age distribution is statistically consistent with the expectation from the star formation rate. For white dwarfs in the heaviest mass bin, 1.15–1.25 M⊙, we find that their cumulative distribution is inconsistent with the star formation rate for all of the models considered; instead, we find that their cooling age distribution is well fitted by a linear combination of the distribution expected for single stellar evolution products and the distribution expected for double white dwarf merger products when approximately 40–50 per cent of the 1.15–1.25 M⊙ white dwarfs that formed over the past 4 Gyr are produced through double white dwarf mergers.","lang":"eng"}],"day":"21","volume":511,"keyword":["Space and Planetary Science","Astronomy and Astrophysics"],"language":[{"iso":"eng"}],"main_file_link":[{"url":"https://arxiv.org/abs/2110.00598","open_access":"1"}],"title":"The cooling of massive white dwarfs from <i>Gaia</i> EDR3"},{"status":"public","issue":"2","year":"2022","publication_identifier":{"issn":["2041-8205"],"eissn":["2041-8213"]},"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","oa_version":"Published Version","tmp":{"legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","image":"/images/cc_by.png"},"oa":1,"article_processing_charge":"No","article_number":"L24","article_type":"original","month":"02","date_published":"2022-02-21T00:00:00Z","date_updated":"2024-04-02T07:27:20Z","publication_status":"published","publisher":"American Astronomical Society","quality_controlled":"1","author":[{"full_name":"Miller, David R.","first_name":"David R.","last_name":"Miller"},{"id":"8ae5b6e7-2a03-11ee-914d-b58ed7a3b47d","full_name":"Caiazzo, Ilaria","first_name":"Ilaria","last_name":"Caiazzo","orcid":"0000-0002-4770-5388"},{"full_name":"Heyl, Jeremy","first_name":"Jeremy","last_name":"Heyl"},{"full_name":"Richer, Harvey B.","first_name":"Harvey B.","last_name":"Richer"},{"full_name":"Tremblay, Pier-Emmanuel","first_name":"Pier-Emmanuel","last_name":"Tremblay"}],"doi":"10.3847/2041-8213/ac50a5","_id":"15213","type":"journal_article","publication":"The Astrophysical Journal Letters","citation":{"ista":"Miller DR, Caiazzo I, Heyl J, Richer HB, Tremblay P-E. 2022. The ultramassive white dwarfs of the Alpha Persei cluster. The Astrophysical Journal Letters. 926(2), L24.","chicago":"Miller, David R., Ilaria Caiazzo, Jeremy Heyl, Harvey B. Richer, and Pier-Emmanuel Tremblay. “The Ultramassive White Dwarfs of the Alpha Persei Cluster.” <i>The Astrophysical Journal Letters</i>. American Astronomical Society, 2022. <a href=\"https://doi.org/10.3847/2041-8213/ac50a5\">https://doi.org/10.3847/2041-8213/ac50a5</a>.","short":"D.R. Miller, I. Caiazzo, J. Heyl, H.B. Richer, P.-E. Tremblay, The Astrophysical Journal Letters 926 (2022).","mla":"Miller, David R., et al. “The Ultramassive White Dwarfs of the Alpha Persei Cluster.” <i>The Astrophysical Journal Letters</i>, vol. 926, no. 2, L24, American Astronomical Society, 2022, doi:<a href=\"https://doi.org/10.3847/2041-8213/ac50a5\">10.3847/2041-8213/ac50a5</a>.","ieee":"D. R. Miller, I. Caiazzo, J. Heyl, H. B. Richer, and P.-E. Tremblay, “The ultramassive white dwarfs of the Alpha Persei cluster,” <i>The Astrophysical Journal Letters</i>, vol. 926, no. 2. American Astronomical Society, 2022.","apa":"Miller, D. R., Caiazzo, I., Heyl, J., Richer, H. B., &#38; Tremblay, P.-E. (2022). The ultramassive white dwarfs of the Alpha Persei cluster. <i>The Astrophysical Journal Letters</i>. American Astronomical Society. <a href=\"https://doi.org/10.3847/2041-8213/ac50a5\">https://doi.org/10.3847/2041-8213/ac50a5</a>","ama":"Miller DR, Caiazzo I, Heyl J, Richer HB, Tremblay P-E. The ultramassive white dwarfs of the Alpha Persei cluster. <i>The Astrophysical Journal Letters</i>. 2022;926(2). doi:<a href=\"https://doi.org/10.3847/2041-8213/ac50a5\">10.3847/2041-8213/ac50a5</a>"},"external_id":{"arxiv":["2110.09668"]},"arxiv":1,"intvolume":"       926","title":"The ultramassive white dwarfs of the Alpha Persei cluster","main_file_link":[{"open_access":"1","url":"https://doi.org/10.3847/2041-8213/ac50a5"}],"language":[{"iso":"eng"}],"keyword":["Space and Planetary Science","Astronomy and Astrophysics"],"volume":926,"abstract":[{"lang":"eng","text":"We searched through the entire Gaia EDR3 candidate white dwarf catalog for stars with proper motions and positions that are consistent with them having escaped from the Alpha Persei cluster within the past 81 Myr, the age of the cluster. In this search we found five candidate white dwarf escapees from Alpha Persei and obtained spectra for all of them. We confirm that three are massive white dwarfs sufficiently young to have originated in the cluster. All these are more massive than any white dwarf previously associated with a cluster using Gaia astrometry, and possess some of the most massive progenitors. In particular, the white dwarf Gaia EDR3 4395978097863572, which lies within 25 pc of the cluster center, has a mass of about 1.20 solar masses and evolved from an 8.5 solar-mass star, pushing the upper limit for white dwarf formation from a single massive star, while still leaving a substantial gap between the resulting white dwarf mass and the Chandrasekhar mass."}],"day":"21","date_created":"2024-03-26T10:31:25Z","scopus_import":"1","extern":"1"},{"year":"2022","status":"public","issue":"2","oa_version":"Published Version","tmp":{"legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","image":"/images/cc_by.png"},"publication_identifier":{"eissn":["1538-4357"],"issn":["0004-637X"]},"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","article_processing_charge":"No","article_number":"132","oa":1,"publisher":"American Astronomical Society","publication_status":"published","date_updated":"2024-04-02T07:27:52Z","date_published":"2022-02-18T00:00:00Z","article_type":"original","month":"02","_id":"15214","doi":"10.3847/1538-4357/ac45fc","quality_controlled":"1","author":[{"full_name":"Heyl, Jeremy","first_name":"Jeremy","last_name":"Heyl"},{"orcid":"0000-0002-4770-5388","last_name":"Caiazzo","first_name":"Ilaria","full_name":"Caiazzo, Ilaria","id":"8ae5b6e7-2a03-11ee-914d-b58ed7a3b47d"},{"last_name":"Richer","first_name":"Harvey B.","full_name":"Richer, Harvey B."}],"external_id":{"arxiv":["2110.03837"]},"citation":{"ama":"Heyl J, Caiazzo I, Richer HB. Reconstructing the Pleiades with Gaia EDR3. <i>The Astrophysical Journal</i>. 2022;926(2). doi:<a href=\"https://doi.org/10.3847/1538-4357/ac45fc\">10.3847/1538-4357/ac45fc</a>","apa":"Heyl, J., Caiazzo, I., &#38; Richer, H. B. (2022). Reconstructing the Pleiades with Gaia EDR3. <i>The Astrophysical Journal</i>. American Astronomical Society. <a href=\"https://doi.org/10.3847/1538-4357/ac45fc\">https://doi.org/10.3847/1538-4357/ac45fc</a>","mla":"Heyl, Jeremy, et al. “Reconstructing the Pleiades with Gaia EDR3.” <i>The Astrophysical Journal</i>, vol. 926, no. 2, 132, American Astronomical Society, 2022, doi:<a href=\"https://doi.org/10.3847/1538-4357/ac45fc\">10.3847/1538-4357/ac45fc</a>.","ieee":"J. Heyl, I. Caiazzo, and H. B. Richer, “Reconstructing the Pleiades with Gaia EDR3,” <i>The Astrophysical Journal</i>, vol. 926, no. 2. American Astronomical Society, 2022.","short":"J. Heyl, I. Caiazzo, H.B. Richer, The Astrophysical Journal 926 (2022).","chicago":"Heyl, Jeremy, Ilaria Caiazzo, and Harvey B. Richer. “Reconstructing the Pleiades with Gaia EDR3.” <i>The Astrophysical Journal</i>. American Astronomical Society, 2022. <a href=\"https://doi.org/10.3847/1538-4357/ac45fc\">https://doi.org/10.3847/1538-4357/ac45fc</a>.","ista":"Heyl J, Caiazzo I, Richer HB. 2022. Reconstructing the Pleiades with Gaia EDR3. The Astrophysical Journal. 926(2), 132."},"intvolume":"       926","arxiv":1,"type":"journal_article","publication":"The Astrophysical Journal","date_created":"2024-03-26T10:31:44Z","abstract":[{"text":"We search through an eight million cubic parsec volume surrounding the Pleiades star cluster and the Sun to identify both the current and past members of the Pleiades cluster within the Gaia EDR3 data set. We find nearly 1300 current cluster members and 289 former cluster candidates. Many of these candidates lie well in front of or behind the cluster from our point of view, so formerly they were considered cluster members, but their parallaxes put them more than 10 pc from the center of the cluster today. Over the past 100 Myr we estimate that the cluster has lost twenty percent of its mass including two massive white dwarf stars and the α2 Canum Venaticorum type variable star, 41 Tau. All three white dwarfs associated with the cluster are massive (1.01–1.06 M⊙) and have progenitors with main-sequence masses of about six solar masses. Although we did not associate any giant stars with the cluster, the cooling time of the oldest white dwarf of 60 Myr gives a firm lower limit on the age of the cluster.","lang":"eng"}],"day":"18","language":[{"iso":"eng"}],"main_file_link":[{"open_access":"1","url":"https://doi.org/10.3847/1538-4357/ac45fc"}],"title":"Reconstructing the Pleiades with Gaia EDR3","keyword":["Space and Planetary Science","Astronomy and Astrophysics"],"volume":926,"scopus_import":"1","extern":"1"},{"corr_author":"1","year":"2022","status":"public","issue":"1","oa_version":"Preprint","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","publication_identifier":{"issn":["0887-3585"],"eissn":["1097-0134"]},"department":[{"_id":"MaJö"}],"article_processing_charge":"No","oa":1,"publisher":"Wiley","article_type":"original","date_published":"2022-01-01T00:00:00Z","month":"01","date_updated":"2024-10-09T21:08:44Z","publication_status":"published","doi":"10.1002/prot.26217","_id":"15268","author":[{"first_name":"Romina A.","full_name":"Gisonno, Romina A.","last_name":"Gisonno"},{"full_name":"Masson, Tomas","first_name":"Tomas","id":"93ac43e8-8599-11eb-9b86-f6efb0a4c207","orcid":"0000-0002-2634-6283","last_name":"Masson"},{"last_name":"Ramella","first_name":"Nahuel A.","full_name":"Ramella, Nahuel A."},{"last_name":"Barrera","first_name":"Exequiel E.","full_name":"Barrera, Exequiel E."},{"first_name":"Víctor","full_name":"Romanowski, Víctor","last_name":"Romanowski"},{"first_name":"M. Alejandra","full_name":"Tricerri, M. Alejandra","last_name":"Tricerri"}],"page":"258-269","quality_controlled":"1","intvolume":"        90","citation":{"ieee":"R. A. Gisonno, T. Masson, N. A. Ramella, E. E. Barrera, V. Romanowski, and M. A. Tricerri, “Evolutionary and structural constraints influencing apolipoprotein A‐I amyloid behavior,” <i>Proteins: Structure, Function, and Bioinformatics</i>, vol. 90, no. 1. Wiley, pp. 258–269, 2022.","mla":"Gisonno, Romina A., et al. “Evolutionary and Structural Constraints Influencing Apolipoprotein A‐I Amyloid Behavior.” <i>Proteins: Structure, Function, and Bioinformatics</i>, vol. 90, no. 1, Wiley, 2022, pp. 258–69, doi:<a href=\"https://doi.org/10.1002/prot.26217\">10.1002/prot.26217</a>.","ama":"Gisonno RA, Masson T, Ramella NA, Barrera EE, Romanowski V, Tricerri MA. Evolutionary and structural constraints influencing apolipoprotein A‐I amyloid behavior. <i>Proteins: Structure, Function, and Bioinformatics</i>. 2022;90(1):258-269. doi:<a href=\"https://doi.org/10.1002/prot.26217\">10.1002/prot.26217</a>","apa":"Gisonno, R. A., Masson, T., Ramella, N. A., Barrera, E. E., Romanowski, V., &#38; Tricerri, M. A. (2022). Evolutionary and structural constraints influencing apolipoprotein A‐I amyloid behavior. <i>Proteins: Structure, Function, and Bioinformatics</i>. Wiley. <a href=\"https://doi.org/10.1002/prot.26217\">https://doi.org/10.1002/prot.26217</a>","ista":"Gisonno RA, Masson T, Ramella NA, Barrera EE, Romanowski V, Tricerri MA. 2022. Evolutionary and structural constraints influencing apolipoprotein A‐I amyloid behavior. Proteins: Structure, Function, and Bioinformatics. 90(1), 258–269.","short":"R.A. Gisonno, T. Masson, N.A. Ramella, E.E. Barrera, V. Romanowski, M.A. Tricerri, Proteins: Structure, Function, and Bioinformatics 90 (2022) 258–269.","chicago":"Gisonno, Romina A., Tomas Masson, Nahuel A. Ramella, Exequiel E. Barrera, Víctor Romanowski, and M. Alejandra Tricerri. “Evolutionary and Structural Constraints Influencing Apolipoprotein A‐I Amyloid Behavior.” <i>Proteins: Structure, Function, and Bioinformatics</i>. Wiley, 2022. <a href=\"https://doi.org/10.1002/prot.26217\">https://doi.org/10.1002/prot.26217</a>."},"external_id":{"pmid":["34414600"]},"publication":"Proteins: Structure, Function, and Bioinformatics","type":"journal_article","day":"01","abstract":[{"text":"Apolipoprotein A‐I (apoA‐I) has a key function in the reverse cholesterol transport. However, aggregation of apoA‐I single point mutants can lead to hereditary amyloid pathology. Although several studies have tackled the biophysical and structural consequences introduced by these mutations, there is little information addressing the relationship between the evolutionary and structural features that contribute to the amyloid behavior of apoA‐I. We combined evolutionary studies, in silico mutagenesis and molecular dynamics (MD) simulations to provide a comprehensive analysis of the conservation and pathogenic role of the aggregation‐prone regions (APRs) present in apoA‐I. Sequence analysis demonstrated that among the four amyloidogenic regions described for human apoA‐I, only two (APR1 and APR4) are evolutionary conserved across different species of Sarcopterygii. Moreover, stability analysis carried out with the FoldX engine showed that APR1 contributes to the marginal stability of apoA‐I. Structural properties of full‐length apoA‐I models suggest that aggregation is avoided by placing APRs into highly packed and rigid portions of its native fold. Compared to silent variants extracted from the gnomAD database, the thermodynamic and pathogenic impact of amyloid mutations showed evidence of a higher destabilizing effect. MD simulations of the amyloid variant G26R evidenced the partial unfolding of the alpha‐helix bundle with the concomitant exposure of APR1 to the solvent, suggesting an insight into the early steps involved in its aggregation. Our findings highlight APR1 as a relevant component for apoA‐I structural integrity and emphasize a destabilizing effect of amyloid variants that leads to the exposure of this region.","lang":"eng"}],"date_created":"2024-04-03T07:49:53Z","volume":90,"keyword":["Molecular Biology","Biochemistry","Structural Biology"],"title":"Evolutionary and structural constraints influencing apolipoprotein A‐I amyloid behavior","language":[{"iso":"eng"}],"main_file_link":[{"open_access":"1","url":"https://doi.org/10.1101/2020.09.18.304337"}],"pmid":1},{"oa":1,"article_processing_charge":"No","article_number":"jcs259715","department":[{"_id":"MaLo"}],"date_updated":"2026-06-18T17:51:26Z","publication_status":"published","date_published":"2022-01-19T00:00:00Z","month":"01","publisher":"The Company of Biologists","issue":"2","status":"public","year":"2022","publication_identifier":{"issn":["0021-9533"],"eissn":["1477-9137"]},"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","oa_version":"Published Version","language":[{"iso":"eng"}],"main_file_link":[{"open_access":"1","url":"https://doi.org/10.1242/jcs.259715"}],"title":"Cell scientist to watch – Martin Loose","volume":135,"date_created":"2024-05-28T13:28:30Z","day":"19","abstract":[{"text":"Martin Loose studied chemistry at the University of Heidelberg, Germany. He then joined Petra Schwille's group at the Max Planck Institute of Molecular Cell Biology and Genetics in Dresden, where he obtained his PhD degree in 2010 for work on self-organization and pattern formation in the bacterial Min protein system. He then moved to Tim Mitchison's lab at Harvard Medical School, Boston, USA for his postdoc, funded by Human Frontier Science Program (HSFP) and European Molecular Biology Organization (EMBO) long-term fellowships; there, he discovered that the bacterial cell division proteins FtsA and FtsZ self-organize into dynamic cytoskeletal patterns. Martin established his independent research group at the Institute of Science and Technology (IST) Austria in 2015, supported by an European Research Council (ERC) starting grant and HFSP Young Investigator Grant. His lab studies the self-organization of bacterial cell division and small GTPase networks.","lang":"eng"}],"isi":1,"quality_controlled":"1","author":[{"last_name":"Loose","orcid":"0000-0001-7309-9724","id":"462D4284-F248-11E8-B48F-1D18A9856A87","full_name":"Loose, Martin","first_name":"Martin"}],"_id":"17057","doi":"10.1242/jcs.259715","publication":"Journal of Cell Science","type":"other_academic_publication","external_id":{"isi":["000762665200015"]},"ddc":["570"],"citation":{"ista":"Loose M. 2022. Cell scientist to watch – Martin Loose, The Company of Biologists,p.","short":"M. Loose, Cell Scientist to Watch – Martin Loose, The Company of Biologists, 2022.","chicago":"Loose, Martin. <i>Cell Scientist to Watch – Martin Loose</i>. <i>Journal of Cell Science</i>. Vol. 135. The Company of Biologists, 2022. <a href=\"https://doi.org/10.1242/jcs.259715\">https://doi.org/10.1242/jcs.259715</a>.","mla":"Loose, Martin. “Cell Scientist to Watch – Martin Loose.” <i>Journal of Cell Science</i>, vol. 135, no. 2, jcs259715, The Company of Biologists, 2022, doi:<a href=\"https://doi.org/10.1242/jcs.259715\">10.1242/jcs.259715</a>.","ieee":"M. Loose, <i>Cell scientist to watch – Martin Loose</i>, vol. 135, no. 2. The Company of Biologists, 2022.","ama":"Loose M. <i>Cell Scientist to Watch – Martin Loose</i>. Vol 135. The Company of Biologists; 2022. doi:<a href=\"https://doi.org/10.1242/jcs.259715\">10.1242/jcs.259715</a>","apa":"Loose, M. (2022). <i>Cell scientist to watch – Martin Loose</i>. <i>Journal of Cell Science</i> (Vol. 135). The Company of Biologists. <a href=\"https://doi.org/10.1242/jcs.259715\">https://doi.org/10.1242/jcs.259715</a>"},"intvolume":"       135"},{"type":"journal_article","publication":"Acta Arithmetica","intvolume":"       204","arxiv":1,"external_id":{"isi":["000844789100001"],"arxiv":["2104.14946"]},"citation":{"ista":"Shute AL. 2022. On the leading constant in the Manin-type conjecture for Campana points. Acta Arithmetica. 204(4), 317–346.","chicago":"Shute, Alec L. “On the Leading Constant in the Manin-Type Conjecture for Campana Points.” <i>Acta Arithmetica</i>. Institute of Mathematics, 2022. <a href=\"https://doi.org/10.4064/aa210430-1-7\">https://doi.org/10.4064/aa210430-1-7</a>.","short":"A.L. Shute, Acta Arithmetica 204 (2022) 317–346.","mla":"Shute, Alec L. “On the Leading Constant in the Manin-Type Conjecture for Campana Points.” <i>Acta Arithmetica</i>, vol. 204, no. 4, Institute of Mathematics, 2022, pp. 317–46, doi:<a href=\"https://doi.org/10.4064/aa210430-1-7\">10.4064/aa210430-1-7</a>.","ieee":"A. L. Shute, “On the leading constant in the Manin-type conjecture for Campana points,” <i>Acta Arithmetica</i>, vol. 204, no. 4. Institute of Mathematics, pp. 317–346, 2022.","apa":"Shute, A. L. (2022). On the leading constant in the Manin-type conjecture for Campana points. <i>Acta Arithmetica</i>. Institute of Mathematics. <a href=\"https://doi.org/10.4064/aa210430-1-7\">https://doi.org/10.4064/aa210430-1-7</a>","ama":"Shute AL. On the leading constant in the Manin-type conjecture for Campana points. <i>Acta Arithmetica</i>. 2022;204(4):317-346. doi:<a href=\"https://doi.org/10.4064/aa210430-1-7\">10.4064/aa210430-1-7</a>"},"page":"317-346","author":[{"orcid":"0000-0002-1812-2810","last_name":"Shute","full_name":"Shute, Alec L","first_name":"Alec L","id":"440EB050-F248-11E8-B48F-1D18A9856A87"}],"quality_controlled":"1","_id":"17058","doi":"10.4064/aa210430-1-7","isi":1,"scopus_import":"1","volume":204,"language":[{"iso":"eng"}],"main_file_link":[{"url":"https://doi.org/10.48550/arXiv.2104.14946","open_access":"1"}],"related_material":{"record":[{"relation":"earlier_version","id":"12077","status":"public"}]},"title":"On the leading constant in the Manin-type conjecture for Campana points","date_created":"2024-05-28T13:39:26Z","day":"22","abstract":[{"text":"We compare the Manin-type conjecture for Campana points recently formulated by Pieropan, Smeets, Tanimoto and Várilly-Alvarado with an alternative prediction of Browning and Van Valckenborgh in the special case of the orbifold (P1,D), where D=1/2[0]+1/2[1]+1/2[∞]. We find that the two predicted leading constants do not agree, and we discuss whether thin sets could explain this discrepancy. Motivated by this, we provide a counterexample to the Manin-type conjecture for Campana points, by considering orbifolds corresponding to squareful values of binary quadratic forms.","lang":"eng"}],"user_id":"317138e5-6ab7-11ef-aa6d-ffef3953e345","publication_identifier":{"issn":["0065-1036"],"eissn":["1730-6264"]},"oa_version":"Preprint","year":"2022","issue":"4","status":"public","corr_author":"1","date_updated":"2025-09-10T09:57:03Z","publication_status":"published","article_type":"original","date_published":"2022-08-22T00:00:00Z","month":"08","publisher":"Institute of Mathematics","oa":1,"department":[{"_id":"TiBr"}],"article_processing_charge":"No"}]