Redshifts in the Hubble Deep Field South

Abstract

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.

Accepted for publication in the Astronomical Journal

References in corpus (3)

• Ultradeep Near-Infrared ISAAC Observations of the HDF-S: Observations, Reduction, Multicolor Catalog, and Photometric Redshifts
• The Absorption and Emission Kinematics in the z=0.7450 Mg II Absorber Towards Q1331+17
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• Radio Observations of the Hubble Deep Field South Region III: The 2.5, 5.2 and 8.7 GHz Catalogues and Radio Source Properties
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