{"abstract":[{"text":"We investigate the formation of molecular hydrogen (H_2_) in a primordial H + He gas cloud irradiated by a power-law UV flux. We find that at high densities (~>1 cm^-3^) and low temperatures (<~10^4^ K), the background radiation enhances the formation of H_2_ and results in molecular cooling dominating over photoionization heating. This process could accelerate the collapse and fragmentation of dense objects at high redshifts.","lang":"eng"}],"intvolume":"       467","quality_controlled":"1","day":"01","status":"public","main_file_link":[{"open_access":"1","url":"https://doi.org/10.48550/arXiv.astro-ph/9511126"}],"publication":"The Astrophysical Journal","language":[{"iso":"eng"}],"publication_status":"published","publisher":"American Astronomical Society","title":"H 2 cooling of primordial gas triggered by UV irradiation","date_published":"1996-08-01T00:00:00Z","volume":467,"year":"1996","external_id":{"unknown":["astro-ph/9511126"]},"month":"08","article_number":"522","oa":1,"extern":"1","doi":"10.1086/177628","article_processing_charge":"No","citation":{"ieee":"Z. Haiman, M. J. Rees, and A. Loeb, “H 2 cooling of primordial gas triggered by UV irradiation,” <i>The Astrophysical Journal</i>, vol. 467. American Astronomical Society, 1996.","ama":"Haiman Z, Rees MJ, Loeb A. H 2 cooling of primordial gas triggered by UV irradiation. <i>The Astrophysical Journal</i>. 1996;467. doi:<a href=\"https://doi.org/10.1086/177628\">10.1086/177628</a>","ista":"Haiman Z, Rees MJ, Loeb A. 1996. H 2 cooling of primordial gas triggered by UV irradiation. The Astrophysical Journal. 467, 522.","short":"Z. Haiman, M.J. Rees, A. Loeb, The Astrophysical Journal 467 (1996).","apa":"Haiman, Z., Rees, M. J., &#38; Loeb, A. (1996). H 2 cooling of primordial gas triggered by UV irradiation. <i>The Astrophysical Journal</i>. American Astronomical Society. <a href=\"https://doi.org/10.1086/177628\">https://doi.org/10.1086/177628</a>","chicago":"Haiman, Zoltán, Martin J. Rees, and Abraham Loeb. “H 2 Cooling of Primordial Gas Triggered by UV Irradiation.” <i>The Astrophysical Journal</i>. American Astronomical Society, 1996. <a href=\"https://doi.org/10.1086/177628\">https://doi.org/10.1086/177628</a>.","mla":"Haiman, Zoltán, et al. “H 2 Cooling of Primordial Gas Triggered by UV Irradiation.” <i>The Astrophysical Journal</i>, vol. 467, 522, American Astronomical Society, 1996, doi:<a href=\"https://doi.org/10.1086/177628\">10.1086/177628</a>."},"_id":"17822","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","oa_version":"Preprint","publication_identifier":{"issn":["0004-637X"],"eissn":["1538-4357"]},"author":[{"last_name":"Haiman","id":"7c006e8c-cc0d-11ee-8322-cb904ef76f36","first_name":"Zoltán","orcid":"0000-0003-3633-5403","full_name":"Haiman, Zoltán"},{"last_name":"Rees","full_name":"Rees, Martin J.","first_name":"Martin J."},{"last_name":"Loeb","first_name":"Abraham","full_name":"Loeb, Abraham"}],"scopus_import":"1","date_updated":"2024-12-10T09:18:05Z","type":"journal_article","date_created":"2024-09-06T11:54:20Z","article_type":"original"}