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Low-Redshift Damped Lyman Alpha Galaxies Toward the Quasars B2 0827+243, PKS 0952+179, PKS 1127-145, and PKS 1629+120

Authors :
W. M. Lane
Eric M. Monier
David A. Turnshek
Daniel B. Nestor
Sandhya M. Rao
Jacqueline Bergeron
Publication Year :
2002
Publisher :
arXiv, 2002.

Abstract

We present optical and near-infrared ground-based imaging results on four low-redshift damped Ly-alpha (DLA) galaxies. The corresponding DLA systems were discovered in our HST spectroscopic surveys for DLA lines in known strong MgII absorption-line systems toward the quasars B2 0827+243 (z{DLA}=0.525), PKS 0952+179 (z{DLA}=0.239), PKS 1127-145 (z{DLA}=0.313), and PKS 1629+120 (z{DLA}=0.532). The DLA galaxies span a mixture of morphological types from patchy, irregular, and low surface brightness to spiral galaxies. The luminosities range from 0.02L_K* to 1.2L_K*. We also discovered several extremely red objects (EROs) in two of these fields and discuss the possibility that they are associated with the DLA galaxies. These observations add to the small but growing list of DLA galaxies at low redshift. At the present time, 14 DLA galaxies in the redshift range 0.05 < z<br />15 pages, to appear in ApJ, September 20, 2003. Typo fixed

Details

Database :
OpenAIRE
Accession number :
edsair.doi.dedup.....377382bf05f51fbaf2b0f330544240ff
Full Text :
https://doi.org/10.48550/arxiv.astro-ph/0211297