Stellar mass function of cluster galaxies at z ~ 1.5: evidence for reduced quenching efficiency at high redshift

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dc.contributor.authorNantais, JB
dc.contributor.authorVan der Burge, RFJ
dc.contributor.authorLidman, C
dc.contributor.authorDemarco, R
dc.contributor.authorNoble, A
dc.contributor.authorWilson, G
dc.contributor.authorMuzzin, A
dc.contributor.authorFoltz, R
dc.contributor.authorDeGroot, A
dc.contributor.authorCooper, MC
dc.date.accessioned2017-03-10T14:52:43Z
dc.date.available2017-03-10T14:52:43Z
dc.date.issued2016-08
dc.descriptionIndexación: Web of Sciencees
dc.description.abstractWe present the stellar mass functions (SMFs) of passive and star-forming galaxies with a limiting mass of 10(10.1) M-circle dot in four spectroscopically confirmed Spitzer Adaptation of the Red-sequence Cluster Survey (SpARCS) galaxy clusters at 1 : 37 < z < 1 : 63. The clusters have 113 spectroscopically confirmed members combined, with 8-45 confirmed members each. We construct Ks-bandselected photometric catalogs for each cluster with an average of 11 photometric bands ranging from u to 8 mu m. We compare our cluster galaxies to a field sample derived from a similar Ks-band-selected catalog in the UltraVISTA / COSMOS field. The SMFs resemble those of the field, but with signs of environmental quenching. We find that 30 +/- 20% of galaxies that would normally be forming stars in the field are quenched in the clusters. The environmental quenching e ffi ciency shows little dependence on projected cluster-centric distance out to similar to 4 Mpc, providing tentative evidence of pre-processing and/or galactic conformity in this redshift range. We also compile the available data on environmental quenching efficiencies from the literature, and find that the quenching e ffi ciency in clusters and in groups appears to decline with increasing redshift in a manner consistent with previous results and expectations based on halo mass growth.es
dc.description.urihttp://www.aanda.org/articles/aa/abs/2016/08/aa28663-16/aa28663-16.html
dc.identifier.citationA&A 592, A161 (2016)es
dc.identifier.issn1432-0746
dc.identifier.otherhttps://doi.org/10.1051/0004-6361/201628663
dc.identifier.urihttp://repositorio.unab.cl/xmlui/handle/ria/3065
dc.language.isoenes
dc.publisherEDP SCIENCESes
dc.subjectSTAR-FORMING GALAXIESes
dc.subjectNEAR-INFRARED SPECTROSCOPYes
dc.subjectDIGITAL SKY SURVEYes
dc.subjectRED-SEQUENCEes
dc.subjectX-RAYes
dc.subjectPHOTOMETRIC REDSHIFTSes
dc.subjectGALACTIC CONFORMITYes
dc.subjectMOLECULAR GASes
dc.subjectRADIO GALAXYes
dc.subjectMU-Mes
dc.titleStellar mass function of cluster galaxies at z ~ 1.5: evidence for reduced quenching efficiency at high redshiftes
dc.typeArtículoes
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