Computer Science
Scientific paper
Jul 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994hst..prop.5450i&link_type=abstract
HST Proposal ID #5450
Computer Science
Hst Proposal Id #5450 Quasars &Amp, Agn Host Galaxies
Scientific paper
We propose WFPC2 observations of the fields of 17 quasars to investigate the properties of the host galaxies and environments as functions of radio and optical luminosity. Recent results of a radio study of optically-selected quasars confirm a previously-reported decrease in radio-loud fraction of quasars with absolute magnitudes fainter than MB = -24. The proposed HST observations have two purposes: to determine whether there is a corresponding change in host galaxy and environment properties for quasars fainter and brighter than MB = -24; and to compare these properties for radio-loud and radio-quiet quasars. The sample is selected from the Large Bright Quasar Survey, a homogeneous survey compiled by an automated procedure which is reasonably free of selection effects. The HST observations will be complemented by an ongoing ground-based imaging and spectroscopy program.
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