Search for clusters at high redshift - I. Candidate Lya emitters near 1138-262 at z=2.2

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dc.creatorKurk, J. D.
dc.creatorRottgering, H. J. A.
dc.creatorPentericci, L.
dc.creatorMiley, G. K.
dc.creatorvan Breugel, W.
dc.creatorCarilli, C. L.
dc.creatorFord, H.
dc.creatorHeckman, T.
dc.creatorMcCarthy, P.
dc.creatorMoorwood, A.
dc.date2000-05-03
dc.date.accessioned2026-07-07T01:53:21Z
dc.date.available2026-07-07T01:53:21Z
dc.descriptionRadio, optical and X-ray observations of the powerful radio galaxy PKS 1138-262 at z=2.156 have suggested that this galaxy is a massive galaxy in the center of a forming cluster. We have imaged 1138-262 and the surrounding 38 square arcminute field with the Very Large Telescope in a broad band and a narrow band encompassing the redshifted Lya emission. We detect 50 objects with rest equivalent width larger than 20 A and a luminous, highly extended Lya halo around 1138-262. If the radio galaxy is at the center of a forming cluster, these objects are candidate Lya emitting cluster galaxies.
dc.descriptionAccepted for publication in A&A as Letter, 4 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/astro-ph/0005058
dc.identifierhttp://arxiv.org/abs/astro-ph/0005058
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/939
dc.subjectAstrophysics
dc.titleSearch for clusters at high redshift - I. Candidate Lya emitters near 1138-262 at z=2.2
dc.typetext

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