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Luminous early-type field galaxies at $z sim 0.4$ - I. Observations and redshift catalogue of 581 galaxies | | J.P. Willis
; P.C. Hewett
; S.J. Warren
; | | Date: |
16 Mar 2001 | | Journal: | Mon.Not.Roy.Astron.Soc. 325 (2001) 1002 | | Subject: | astro-ph | | Affiliation: | 1 and 2), P.C. Hewett , S.J. Warren ( IoA, Cambridge, PUC, Chile, Imperial College, UK | | Abstract: | We have compiled a sample of $sim 9600$ bright, $ile 18.95$, red, $b_j-r>2$, candidate galaxies in an area of 220 deg$^2$. These are luminous, $L > L^*$, field early-type galaxies with redshifts $0.3 la z la 0.6$. We present a redshift catalogue of a sub-sample of 581 targets. The galaxies were selected according to their broadband $b_jri$ colours from United Kingdom Schmidt Telescope plates, and have a surface density on the sky of only $sim 50 $deg$^{-2}$. Such luminous field galaxies are virtually absent from published redshift surveys and the catalogue provides a large sample of the most luminous normal galaxies, at cosmological distances. The statistical properties of the galaxy spectra, including absorption line and emission line measures, are presented and a composite spectrum constructed. The nature of the sample, combined with the relatively bright apparent magnitudes make the galaxies suitable targets for several key investigations in galaxy evolution and cosmology. | | Source: | arXiv, astro-ph/0103267 | | Services: | Forum | Review | PDF | Favorites | |
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