Redshifts in the Hubble Deep Field South

Details Redshifts in the Hubble Deep Field South Redshifts in the Hubble Deep Field South

2003-05-28

arxiv.org/abs/astro-ph/0305544v1

Astron.J. 126 (2003) 1208

Astronomy and Astrophysics

Astrophysics

Accepted for publication in the Astronomical Journal

Scientific paper

10.1086/377317

We present a catalog of 97 spectroscopic redshifts of z<1 galaxies in the Hubble Deep Field South (HDFS) and its Flanking Fields (FFs). In the HDFS proper, we observed approximately half the galaxies brighter than I(AB)=24 and obtained redshifts for 76% of them. Targets in our HDFS sample were pre-selected to be at z<1 based on photometric redshifts, while in the FFs a simple magnitude cut was used. The photometric redshift pre-selection in the HDFS resulted in a spectroscopic success rate that is significantly higher than in the FFs, where no pre-selection was applied. The RMS precision of our redshift measurements, determined from repeat observations, is delta_z=0.0003. We present the photometry and redshifts for the 97 objects for which we secured spectroscopic redshifts and describe the basic properties of this sample.

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