RCS 043938-2904.9

dc.contributor.authorBarrientos, LF
dc.contributor.authorGladders, MD
dc.contributor.authorYee, HKC
dc.contributor.authorInfante, L
dc.contributor.authorEllingson, E
dc.contributor.authorHall, PB
dc.contributor.authorHertling, G
dc.date.accessioned2025-01-21T01:07:24Z
dc.date.available2025-01-21T01:07:24Z
dc.date.issued2004
dc.description.abstractWe present deep imaging and optical spectroscopy of the newly discovered Red-Sequence Cluster Survey cluster RCS 043938 - 2904.9. This cluster, drawn from an extensive preliminary list, was selected for detailed study on the basis of its apparent optical richness. Spectroscopy of 11 members places the cluster at z = 0.951 +/- 0.006 and confirms the photometric redshift estimate from the (R-z) color-magnitude diagram. Analysis of the infrared imaging data demonstrates that the cluster is extremely rich, with excess counts in the K-s band exceeding the expected background counts by 9 sigma. The properties of the galaxies in RCS 043938 - 2904.9 are consistent with those seen in other clusters at similar redshifts. Specifically, the red-sequence color, slope, and scatter and the size-magnitude relation of these galaxies are all consistent with that seen in the few other known high-redshift clusters and indeed are consistent with appropriately evolved properties of local cluster galaxies. The apparent consistency of these systems implies that the rich high-redshift RCS clusters are directly comparable to the few other systems known at, most of which have been selected on the basis of X-ray emission.
dc.fuente.origenWOS
dc.identifier.issn0004-637X
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/96322
dc.identifier.wosidWOS:000225766800005
dc.issue.numero1
dc.language.isoen
dc.pagina.finalL20
dc.pagina.inicioL17
dc.revistaAstrophysical journal
dc.rightsacceso restringido
dc.subjectgalaxies : clusters : general
dc.titleRCS 043938-2904.9
dc.typeartículo
dc.volumen617
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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