Witnessing the formation of a brightest cluster galaxy at z>2

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dc.creatorOverzier, Roderik A.
dc.creatorMiley, George K.
dc.creatorFord, Holland C.
dc.date2006-10-30
dc.date.accessioned2026-07-07T10:24:03Z
dc.date.available2026-07-07T10:24:03Z
dc.descriptionWe present deep observations taken with the HST Advanced Camera for Surveys of the central massive galaxy in a forming cluster at z=2.2. The galaxy hosting the powerful radio source MRC 1138-262 is associated with one of the most extensive merger systems known in the early universe. Our HST/ACS image shows many star-forming galaxies merging within a ~200 kpc region that emits both diffuse line emission and continuum in the rest-frame UV. Because this galaxy lives in an overdense environment, it represents a rare view of a brightest cluster galaxy in formation at z>2 which may serve as a testbed for predictions of massive cluster galaxy formation.
dc.descriptionContribution to the proceedings of "The Fate of Gas in Galaxies", Dwingeloo, July 2006, with 2 colour figures. To appear in New Astronomy Reviews, Vol. 51 (2007), eds. Morganti, Oosterloo, Villar-Martin & van Gorkom
dc.identifierhttps://arxiv.org/abs/astro-ph/0610910
dc.identifierhttp://arxiv.org/abs/astro-ph/0610910
dc.identifierNewAstron.Rev.51:202-205,2007
dc.identifierdoi:10.1016/j.newar.2006.11.021
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/176054
dc.subjectAstrophysics
dc.titleWitnessing the formation of a brightest cluster galaxy at z>2
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