Sara Mascia
13 Publications
2026 |
Published |
Journal Article |
IST-REx-ID: 21341 |
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Kotiwale, Gauri, et al. “Rapid, out-of-Equilibrium Metal Enrichment Indicated by a Flat Mass-Metallicity Relation at z ∼ 6 from NIRCam Grism Spectroscopy.” Astronomy & Astrophysics, vol. 706, A165, EDP Sciences, 2026, doi:10.1051/0004-6361/202556597.
[Published Version]
View
| Files available
| DOI
| arXiv
2026 |
Published |
Journal Article |
IST-REx-ID: 21451 |
|
|
Torralba Torregrosa A, Matthee JJ, Pezzulli G, Naidu RP, Ishikawa Y, Brammer GB, Chang SJ, Chisholm J, De Graaff A, D’Eugenio F, Di Cesare C, Eilers AC, Greene JE, Gronke M, Iani E, Kokorev V, Kotiwale G, Kramarenko I, Ma Y, Mascia S, Navarrete B, Nelson E, Oesch P, Simcoe RA, Wuyts S. 2026. The warm outer layer of a little red dot as the source of [Fe ii] and collisional Balmer lines with scattering wings. Astronomy & Astrophysics. 707, A75.
[Published Version]
View
| Files available
| DOI
| arXiv
2026 |
Published |
Journal Article |
IST-REx-ID: 21452 |
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Di Cesare, Claudia, et al. “The Slope and Scatter of the Star-Forming Main Sequence at z ∼ 5: Reconciling Observations with Simulations.” Astronomy & Astrophysics, vol. 707, A129, EDP Sciences, 2026, doi:10.1051/0004-6361/202557790.
[Published Version]
View
| Files available
| DOI
| arXiv
2026 |
Published |
Journal Article |
IST-REx-ID: 21710 |
Papovich C, Cole JW, Hu W, Finkelstein SL, Shen L, Arrabal Haro P, Amorín RO, Backhaus BE, Bagley MB, Bhatawdekar R, Calabrò A, Carnall AC, Cleri NJ, Daddi E, Dickinson M, Grogin NA, Holwerda BW, Jaskot AE, Koekemoer AM, Llerena M, Lucas RA, Mascia S, Pacucci F, Pentericci L, Pérez-González PG, Pirzkal N, Raghunathan S, Seillé LM, Somerville RS, Yung LYA. 2026. Galaxies in the epoch of reionization are all bark and no bite-plenty of ionizing photons, low escape fractions. The Astrophysical Journal. 1000(1), 111.
[Published Version]
View
| Files available
| DOI
| arXiv
2026 |
Published |
Journal Article |
IST-REx-ID: 21934 |
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Castellano M, Napolitano L, Moreschini B, Calabrò A, Christensen L, Llerena M, Bakx TJLC, Belfiore F, Bevacqua D, Dickinson M, Fontana A, Gandolfi G, Gasparetto T, Marconi A, Mascia S, Merlin E, Morishita T, Nanayakkara T, Paris D, Pentericci L, Pérez-Díaz B, Roberts-Borsani G, Rojas-Ruiz S, Santini P, Treu T, Vanzella E, Vulcani B, Wang X, Yoon I, Zavala J. 2026. Investigating ionising sources and the complex interstellar medium of GHZ2 at z=12.3. The Open Journal of Astrophysics. 9.
[Published Version]
View
| Files available
| DOI
| arXiv
2026 |
Published |
Journal Article |
IST-REx-ID: 21045 |
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Torralba Torregrosa, Alberto, et al. “A Weak Ly α Halo for an Extremely Bright Little Red Dot. Indications of Enshrouded Supermassive Black Hole Growth.” Astronomy & Astrophysics, vol. 705, A147, EDP Sciences, 2026, doi:10.1051/0004-6361/202555596.
[Published Version]
View
| Files available
| DOI
| arXiv
2026 |
Published |
Journal Article |
IST-REx-ID: 22263 |
Torralba Torregrosa, Alberto, et al. “A Black Hole Star at Cosmic Noon: Extreme Balmer Break, Photospheric Continuum, and Broad Absorption by Thick Winds in a Little Red Dot at z = 1.7.” The Astrophysical Journal Letters, vol. 1005, no. 2, L37, IOP Publishing, 2026, doi:10.3847/2041-8213/ae7bfd.
[Published Version]
View
| Files available
| DOI
| arXiv
2026 |
Published |
Journal Article |
IST-REx-ID: 22817 |
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Schaerer D, Izotov YI, Marques-Chaves R, Steidel CC, Reddy N, Shapley AE, Mascia S, Chisholm J, Flury SR, Guseva N, Heckman T, Henry A, Inoue AK, Jung I, Kusakabe H, Mawatari K, Oesch P, Östlin G, Pentericci L, Roy N, Saldana-Lopez A, Sato R, Vanzella E, Verhamme A, Wang B. 2026. Nitrogen abundances in star-forming galaxies 2.2 Gyr after the Big Bang are not elevated. Astronomy & Astrophysics. 708, A242.
[Published Version]
View
| Files available
| DOI
| arXiv
2025 |
Published |
Journal Article |
IST-REx-ID: 20932 |
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Liu, Y., et al. “A Lyman Continuum Analysis of ∼100 Galaxies at z Spec∼ 3 in the Abell 2744 Cluster Field.” Astronomy & Astrophysics, vol. 704, A328, EDP Sciences, 2025, doi:10.1051/0004-6361/202556410.
[Published Version]
View
| Files available
| DOI
| arXiv
2025 |
Published |
Journal Article |
IST-REx-ID: 21060 |
|
|
Mascia S, Pentericci L, Llerena M, Calabrò A, Matthee JJ, Flury S, Pacucci F, Jaskot A, Amorín RO, Bhatawdekar R, Castellano M, Cleri N, Costantin L, Davis K, Di Cesare C, Dickinson M, Fontana A, Guo Y, Giavalisco M, Holwerda BW, Hu W, Huertas-Company M, Jung I, Kartaltepe J, Kashino D, Koekemoer AM, Lucas RA, Lotz J, Napolitano L, Jogee S, Wilkins S. 2025. Little impact of mergers and galaxy morphology on the production and escape of ionizing photons in the early Universe. Astronomy & Astrophysics. 701, A122.
[Published Version]
View
| Files available
| DOI
| arXiv
2025 |
Published |
Journal Article |
IST-REx-ID: 19930 |
Dottorini D, Calabrò A, Pentericci L, Mascia S, Llerena M, Napolitano L, Santini P, Roberts-Borsani G, Castellano M, Amorin R, Dickinson M, Fontana A, Hathi N, Hirschmann M, Koekemoer AM, Lucas RA, Merlin E, Morales A, Pacucci F, Wilkins S, Arrabal Haro P, Bagley M, Finkelstein SL, Kartaltepe J, Papovich C, Pirzkal N. 2025. Evolution of the UV slope of galaxies at cosmic morning (z > 4): The properties of extremely blue galaxies. Astronomy & Astrophysics. 698, A234.
[Published Version]
View
| Files available
| DOI
| WoS
| arXiv
2025 |
Published |
Journal Article |
IST-REx-ID: 19967 |
Llerena M, Pentericci L, Napolitano L, Mascia S, Amorín R, Calabrò A, Castellano M, Cleri NJ, Giavalisco M, Grogin NA, Hathi NP, Hirschmann M, Koekemoer AM, Nanayakkara T, Pacucci F, Shen L, Wilkins SM, Yoon I, Yung LYA, Bhatawdekar R, Lucas RA, Wang X, Arrabal Haro P, Bagley MB, Finkelstein SL, Kartaltepe JS, Merlin E, Papovich C, Pirzkal N, Santini P. 2025. The ionizing photon production efficiency of star-forming galaxies at z ∼ 4–10. Astronomy & Astrophysics. 698, A302.
[Published Version]
View
| Files available
| DOI
| WoS
| arXiv
2025 |
Published |
Journal Article |
IST-REx-ID: 20661 |
|
|
Dalmasso, Nicolò, et al. “Quantifying Spectroscopic Flux Variations between JWST NIRISS and NIRSpec: Slit Losses in Emission Line Measurements of z ∼ 1-3 Galaxies.” Monthly Notices of the Royal Astronomical Society, vol. 544, no. 2, Oxford University Press, 2025, pp. 1915–25, doi:10.1093/mnras/staf1837.
[Published Version]
View
| Files available
| DOI
| WoS
| arXiv
Grants
13 Publications
2026 |
Published |
Journal Article |
IST-REx-ID: 21341 |
|
|
Kotiwale, Gauri, et al. “Rapid, out-of-Equilibrium Metal Enrichment Indicated by a Flat Mass-Metallicity Relation at z ∼ 6 from NIRCam Grism Spectroscopy.” Astronomy & Astrophysics, vol. 706, A165, EDP Sciences, 2026, doi:10.1051/0004-6361/202556597.
[Published Version]
View
| Files available
| DOI
| arXiv
2026 |
Published |
Journal Article |
IST-REx-ID: 21451 |
|
|
Torralba Torregrosa A, Matthee JJ, Pezzulli G, Naidu RP, Ishikawa Y, Brammer GB, Chang SJ, Chisholm J, De Graaff A, D’Eugenio F, Di Cesare C, Eilers AC, Greene JE, Gronke M, Iani E, Kokorev V, Kotiwale G, Kramarenko I, Ma Y, Mascia S, Navarrete B, Nelson E, Oesch P, Simcoe RA, Wuyts S. 2026. The warm outer layer of a little red dot as the source of [Fe ii] and collisional Balmer lines with scattering wings. Astronomy & Astrophysics. 707, A75.
[Published Version]
View
| Files available
| DOI
| arXiv
2026 |
Published |
Journal Article |
IST-REx-ID: 21452 |
|
|
Di Cesare, Claudia, et al. “The Slope and Scatter of the Star-Forming Main Sequence at z ∼ 5: Reconciling Observations with Simulations.” Astronomy & Astrophysics, vol. 707, A129, EDP Sciences, 2026, doi:10.1051/0004-6361/202557790.
[Published Version]
View
| Files available
| DOI
| arXiv
2026 |
Published |
Journal Article |
IST-REx-ID: 21710 |
Papovich C, Cole JW, Hu W, Finkelstein SL, Shen L, Arrabal Haro P, Amorín RO, Backhaus BE, Bagley MB, Bhatawdekar R, Calabrò A, Carnall AC, Cleri NJ, Daddi E, Dickinson M, Grogin NA, Holwerda BW, Jaskot AE, Koekemoer AM, Llerena M, Lucas RA, Mascia S, Pacucci F, Pentericci L, Pérez-González PG, Pirzkal N, Raghunathan S, Seillé LM, Somerville RS, Yung LYA. 2026. Galaxies in the epoch of reionization are all bark and no bite-plenty of ionizing photons, low escape fractions. The Astrophysical Journal. 1000(1), 111.
[Published Version]
View
| Files available
| DOI
| arXiv
2026 |
Published |
Journal Article |
IST-REx-ID: 21934 |
|
|
Castellano M, Napolitano L, Moreschini B, Calabrò A, Christensen L, Llerena M, Bakx TJLC, Belfiore F, Bevacqua D, Dickinson M, Fontana A, Gandolfi G, Gasparetto T, Marconi A, Mascia S, Merlin E, Morishita T, Nanayakkara T, Paris D, Pentericci L, Pérez-Díaz B, Roberts-Borsani G, Rojas-Ruiz S, Santini P, Treu T, Vanzella E, Vulcani B, Wang X, Yoon I, Zavala J. 2026. Investigating ionising sources and the complex interstellar medium of GHZ2 at z=12.3. The Open Journal of Astrophysics. 9.
[Published Version]
View
| Files available
| DOI
| arXiv
2026 |
Published |
Journal Article |
IST-REx-ID: 21045 |
|
|
Torralba Torregrosa, Alberto, et al. “A Weak Ly α Halo for an Extremely Bright Little Red Dot. Indications of Enshrouded Supermassive Black Hole Growth.” Astronomy & Astrophysics, vol. 705, A147, EDP Sciences, 2026, doi:10.1051/0004-6361/202555596.
[Published Version]
View
| Files available
| DOI
| arXiv
2026 |
Published |
Journal Article |
IST-REx-ID: 22263 |
Torralba Torregrosa, Alberto, et al. “A Black Hole Star at Cosmic Noon: Extreme Balmer Break, Photospheric Continuum, and Broad Absorption by Thick Winds in a Little Red Dot at z = 1.7.” The Astrophysical Journal Letters, vol. 1005, no. 2, L37, IOP Publishing, 2026, doi:10.3847/2041-8213/ae7bfd.
[Published Version]
View
| Files available
| DOI
| arXiv
2026 |
Published |
Journal Article |
IST-REx-ID: 22817 |
|
|
Schaerer D, Izotov YI, Marques-Chaves R, Steidel CC, Reddy N, Shapley AE, Mascia S, Chisholm J, Flury SR, Guseva N, Heckman T, Henry A, Inoue AK, Jung I, Kusakabe H, Mawatari K, Oesch P, Östlin G, Pentericci L, Roy N, Saldana-Lopez A, Sato R, Vanzella E, Verhamme A, Wang B. 2026. Nitrogen abundances in star-forming galaxies 2.2 Gyr after the Big Bang are not elevated. Astronomy & Astrophysics. 708, A242.
[Published Version]
View
| Files available
| DOI
| arXiv
2025 |
Published |
Journal Article |
IST-REx-ID: 20932 |
|
|
Liu, Y., et al. “A Lyman Continuum Analysis of ∼100 Galaxies at z Spec∼ 3 in the Abell 2744 Cluster Field.” Astronomy & Astrophysics, vol. 704, A328, EDP Sciences, 2025, doi:10.1051/0004-6361/202556410.
[Published Version]
View
| Files available
| DOI
| arXiv
2025 |
Published |
Journal Article |
IST-REx-ID: 21060 |
|
|
Mascia S, Pentericci L, Llerena M, Calabrò A, Matthee JJ, Flury S, Pacucci F, Jaskot A, Amorín RO, Bhatawdekar R, Castellano M, Cleri N, Costantin L, Davis K, Di Cesare C, Dickinson M, Fontana A, Guo Y, Giavalisco M, Holwerda BW, Hu W, Huertas-Company M, Jung I, Kartaltepe J, Kashino D, Koekemoer AM, Lucas RA, Lotz J, Napolitano L, Jogee S, Wilkins S. 2025. Little impact of mergers and galaxy morphology on the production and escape of ionizing photons in the early Universe. Astronomy & Astrophysics. 701, A122.
[Published Version]
View
| Files available
| DOI
| arXiv
2025 |
Published |
Journal Article |
IST-REx-ID: 19930 |
Dottorini D, Calabrò A, Pentericci L, Mascia S, Llerena M, Napolitano L, Santini P, Roberts-Borsani G, Castellano M, Amorin R, Dickinson M, Fontana A, Hathi N, Hirschmann M, Koekemoer AM, Lucas RA, Merlin E, Morales A, Pacucci F, Wilkins S, Arrabal Haro P, Bagley M, Finkelstein SL, Kartaltepe J, Papovich C, Pirzkal N. 2025. Evolution of the UV slope of galaxies at cosmic morning (z > 4): The properties of extremely blue galaxies. Astronomy & Astrophysics. 698, A234.
[Published Version]
View
| Files available
| DOI
| WoS
| arXiv
2025 |
Published |
Journal Article |
IST-REx-ID: 19967 |
Llerena M, Pentericci L, Napolitano L, Mascia S, Amorín R, Calabrò A, Castellano M, Cleri NJ, Giavalisco M, Grogin NA, Hathi NP, Hirschmann M, Koekemoer AM, Nanayakkara T, Pacucci F, Shen L, Wilkins SM, Yoon I, Yung LYA, Bhatawdekar R, Lucas RA, Wang X, Arrabal Haro P, Bagley MB, Finkelstein SL, Kartaltepe JS, Merlin E, Papovich C, Pirzkal N, Santini P. 2025. The ionizing photon production efficiency of star-forming galaxies at z ∼ 4–10. Astronomy & Astrophysics. 698, A302.
[Published Version]
View
| Files available
| DOI
| WoS
| arXiv
2025 |
Published |
Journal Article |
IST-REx-ID: 20661 |
|
|
Dalmasso, Nicolò, et al. “Quantifying Spectroscopic Flux Variations between JWST NIRISS and NIRSpec: Slit Losses in Emission Line Measurements of z ∼ 1-3 Galaxies.” Monthly Notices of the Royal Astronomical Society, vol. 544, no. 2, Oxford University Press, 2025, pp. 1915–25, doi:10.1093/mnras/staf1837.
[Published Version]
View
| Files available
| DOI
| WoS
| arXiv