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The FIRST Bright Quasar Survey. II. 60 Nights and 1200 Spectra Later
R. L. White, R. H. Becker, M. D. Gregg +11
We have used the VLA FIRST survey and the APM catalog of the POSS-I plates as the basis for constructing a new radio-selected sample of optically bright quasars. This is the first…
Quasars As Absorption Probes Of The Hubble Deep Field
Charles Liu, Cathy Petry, Chris Impey +1
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 sub…
A Study of Lyman-Alpha Quasar Absorbers in the Nearby Universe
C. D. Impey, C. E. Petry, K. P. Flint
Spectroscopy of ten quasars obtained with the Goddard High Resolution Spectrograph (GHRS) of the Hubble Space Telescope (HST) is presented. A clustering analysis reveals an excess…
Spectral Energy Distributions and Light Curves of GRB 990123 and its Afterglow
T. J. Galama, M. S. Briggs, R. A. M. J. Wijers +38
Gamma-ray bursts (GRBs) are thought to result from the interaction of an extremely relativistic outflow interacting with a small amount of material surrounding the site of the expl…