Evidence for strong evolution in galaxy environmental quenching efficiency between z = 1.6 and z = 0.9

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dc.contributor.authorNantais, J.B.
dc.contributor.authorMuzzin, A.
dc.contributor.authorvan der Burg, R.F.J.
dc.contributor.authorWilson, G.
dc.contributor.authorLidman, C.
dc.contributor.authorFoltz, R.
dc.contributor.authorDeGroot, A.
dc.contributor.authorNoble, A.
dc.contributor.authorCooper, M.C.
dc.contributor.authorDemarco, R.
dc.date.accessioned2017-11-24T14:49:03Z
dc.date.available2017-11-24T14:49:03Z
dc.date.issued2017-02
dc.descriptionIndexación: Web of Science; Scopus.es_CL
dc.description.abstractWe analyse the evolution of environmental quenching efficiency, the fraction of quenched cluster galaxies which would be star forming if they were in the field, as a function of redshift in 14 spectroscopically confirmed galaxy clusters with 0.87 < z < 1.63 from the Spitzer Adaptation of the Red-Sequence Cluster Survey. The clusters are the richest in the survey at each redshift. Passive fractions rise from 42-13 +10 per cent at z ~ 1.6 to 80-9 +12 per cent at z ~ 1.3 and 88-3 +4 per cent at z < 1.1, outpacing the change in passive fraction in the field. Environmental quenching efficiency rises dramatically from 16-19 +15 per cent at z ~ 1.6 to 62-15 +21 per cent at z~1.3 and 73-7 +8 per cent at z ≲ 1.1. This work is the first to show direct observational evidence for a rapid increase in the strength of environmental quenching in galaxy clusters at z ~ 1.5, where simulations show cluster-mass haloes undergo non-linear collapse and virialization.es_CL
dc.description.urihttps://academic.oup.com/mnrasl/article/465/1/L104/2417280
dc.identifier.citationMonthly Notices of the Royal Astronomical Society: Letters Volume 465, Issue 1, 1 February 2017, Pages L104-L108es_CL
dc.identifier.issn1745-3925
dc.identifier.otherDOI: 10.1093/mnrasl/slw224
dc.identifier.urihttp://repositorio.unab.cl/xmlui/handle/ria/4725
dc.language.isoenes_CL
dc.publisherOxford University Presses_CL
dc.subjectGalaxies: clusters: generales_CL
dc.subjectGalaxies: evolutiones_CL
dc.titleEvidence for strong evolution in galaxy environmental quenching efficiency between z = 1.6 and z = 0.9es_CL
dc.typeArtículoes_CL
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