The First Quenched Galaxies: When and How?

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dc.contributor.authorXie, Lizhi
dc.contributor.authorDe Lucia, Gabriella
dc.contributor.authorFontanot, Fabio
dc.contributor.authorHirschmann, Michaela
dc.contributor.authorBahé, Yannick M.
dc.contributor.authorBalogh, Michael L.
dc.contributor.authorMuzzin, Adam
dc.contributor.authorVulcani, Benedetta
dc.contributor.authorBaxter, Devontae C.
dc.contributor.authorForrest, Ben
dc.contributor.authorWilson, Gillian
dc.contributor.authorRudnick, Gregory H.
dc.date.accessioned2024-04-30T14:16:06Z
dc.date.available2024-04-30T14:16:06Z
dc.date.issued2024-05-01
dc.descriptionIndexación: Scopus.
dc.description.abstractMany quiescent galaxies discovered in the early Universe by JWST raise fundamental questions on when and how these galaxies became and stayed quenched. Making use of the latest version of the semianalytic model GAEA that provides good agreement with the observed quenched fractions up to z ∼ 3, we make predictions for the expected fractions of quiescent galaxies up to z ∼ 7 and analyze the main quenching mechanism. We find that in a simulated box of 685 Mpc on a side, the first quenched massive (M ⋆ ∼ 1011 M ⊙), Milky Way-mass, and low-mass (M ⋆ ∼ 109.5 M ⊙) galaxies appear at z ∼ 4.5, z ∼ 6.2, and before z = 7, respectively. Most quenched galaxies identified at early redshifts remain quenched for more than 1 Gyr. Independently of galaxy stellar mass, the dominant quenching mechanism at high redshift is accretion disk feedback (quasar winds) from a central massive black hole, which is triggered by mergers in massive and Milky Way-mass galaxies and by disk instabilities in low-mass galaxies. Environmental stripping becomes increasingly more important at lower redshift.
dc.description.urihttps://www-scopus-com.recursosbiblioteca.unab.cl/record/display.uri?eid=2-s2.0-85190949229&origin=resultslist&sort=plf-f&src=s&nlo=&nlr=&nls=&sid=1e87d1cc09949432c250911d413dd70c&sot=aff&sdt=cl&cluster=scofreetoread%2c%22all%22%2ct&sl=61&s=AF-ID%28%22Universidad+Andr%c3%a9s+Bello%22+60002636%29+AND+SUBJAREA%28PHYS%29&relpos=1&citeCnt=0&searchTerm=
dc.identifier.citationAstrophysical Journal Letters Open Access Volume 966, Issue 11 May 2024 Article number L2
dc.identifier.doi10.3847/2041-8213/ad380a
dc.identifier.issn20418205
dc.identifier.urihttps://repositorio.unab.cl/handle/ria/56481
dc.language.isoen
dc.publisherAmerican Astronomical Society
dc.rights.licenseCC BY 4.0 DEED Attribution 4.0 International
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.titleThe First Quenched Galaxies: When and How?
dc.typeArtículo
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