Galaxy Merger Candidates in High-redshift Cluster Environments

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dc.contributor.authorDelahaye, A.G.
dc.contributor.authorWebb, T.M.A.
dc.contributor.authorNantais, J.
dc.contributor.authorDegroot, A.
dc.contributor.authorWilson, G.
dc.contributor.authorMuzzin, A.
dc.contributor.authorYee, H.K.C.
dc.contributor.authorFoltz, R.
dc.contributor.authorNoble, A.G.
dc.contributor.authorDemarco, R.
dc.contributor.authorTudorica, A.
dc.contributor.authorCooper, M.C.
dc.contributor.authorLidman, C.
dc.contributor.authorPerlmutter, S.
dc.contributor.authorHayden, B.
dc.contributor.authorBoone, K.
dc.contributor.authorSurace, J.
dc.date.accessioned2018-01-04T18:41:32Z
dc.date.available2018-01-04T18:41:32Z
dc.date.issued2017-07
dc.descriptionIndexación: Web of Science; Scopus.es_CL
dc.description.abstractWe compile a sample of spectroscopically and photometrically selected cluster galaxies from four high-redshift galaxy clusters (1.59 < z < 1.71) from the Spitzer Adaptation of the Red-Sequence Cluster Survey (SpARCS), and a comparison field sample selected from the UKIDSS Deep Survey. Using near-infrared imaging from the Hubble Space Telescope, we classify potential mergers involving massive (M∗ ≥ 3 × 1010M⊙) cluster members by eye, based on morphological properties such as tidal distortions, double nuclei, and projected near neighbors within 20 kpc. With a catalog of 23 spectroscopic and 32 photometric massive cluster members across the four clusters and 65 spectroscopic and 26 photometric comparable field galaxies, we find that after taking into account contamination from interlopers, 11+7.0-5.6% of the cluster members are involved in potential mergers, compared to 24.7+5.3-4.6% of the field galaxies. We see no evidence of merger enhancement in the central cluster environment with respect to the field, suggesting that galaxy-galaxy merging is not a stronger source of galaxy evolution in cluster environments compared to the field at these redshifts.es_CL
dc.description.urihttp://iopscience.iop.org/article/10.3847/1538-4357/aa756a/meta
dc.identifier.citationAstrophysical Journal, 843 (2), art. no.126es_CL
dc.identifier.issn0004-637X
dc.identifier.otherDOI: 10.3847/1538-4357/aa756a
dc.identifier.urihttp://repositorio.unab.cl/xmlui/handle/ria/5033
dc.language.isoenes_CL
dc.publisherInstitute of Physics Publishinges_CL
dc.subjectGalaxies: clusters: generales_CL
dc.subjectGalaxies: evolutiones_CL
dc.subjectGalaxies: high-redshiftes_CL
dc.subjectGalaxies: interactionses_CL
dc.titleGalaxy Merger Candidates in High-redshift Cluster Environmentses_CL
dc.typeArtículoes_CL
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