SIMBAD references

2000A&A...358L...1K - Astronomy and Astrophysics, volume 358, L1-4 (2000/6-1)

A search for clusters at high redshift. I. Candidate Lyα emitters near 1138-262 at z=2.2.

KURK J.D., ROETTGERING H.J.A., PENTERICCI L., MILEY G.K., VAN BREUGEL W., CARILLI C.L., FORD H., HECKMAN T., McCARTHY P. and MOORWOOD A.

Abstract (from CDS):

Radio, 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 Lyα emission. We detect 50 objects with rest equivalent width larger than 20Å and a luminous, highly extended Lyα halo around 1138-262. If the radio galaxy is at the center of a forming cluster, as observations at other wavelengths suggest, these objects are candidate Lyα emitting cluster galaxies.

Abstract Copyright: ∼

Journal keyword(s): galaxies: active - galaxies: clusters: general - galaxies: evolution - galaxies: luminosity function, mass function - cosmology: observations - cosmology: early Universe

Simbad objects: 2

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