Quasars As Absorption Probes Of The Hubble Deep Field

Abstract

We present a catalog of 30 QSOs and their spectra, in the square degree of sky centered on the northern Hubble Deep Field. These QSOs were selected by multicolor photometry and subsequently confirmed with spectroscopy. They range in magnitude from 17.6 < B < 21.0 and in redshift from 0.44 < z < 2.98. We also include in the catalog an AGN with redshift z=0.135. Together, these objects comprise a new grid of absorption probes which can be used to study the correlation between luminous galaxies, non-luminous halos and Lyman-alpha absorbers along the line of sight toward the Hubble Deep Field.

22 pages including figures; AJ, in press

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