Positions of high-redshift luminous quasars (Schneider+ 1992)

Details Positions of high-redshift luminous quasars (Schneider+ 1992) Positions of high-redshift luminous quasars (Schneider+ 1992)

Feb 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ycat.7149....0s&link_type=abstract

VizieR On-line Data Catalog: VII/149. Originally published in: Publ. Astron. Soc. Pac. 104, 678 (1992)

Astronomy and Astrophysics

Astronomy

Positional Data, Qsos, Redshifts, Surveys

Scientific paper

The non-proprietary HST Snapshot Survey produced Planetary Camera images of high-redshift, luminous quasars. The aim of the program is to determine the frequency of multiple imaged QSOs down to angular scales of 0.15". Detailed descriptions of the program are given in Bachall et al. (1992ApJ...387...56B) and Maoz et al. (1992ApJ...394...51M). The sample was taken from the 3rd and 4th editions of the catalog of Veron-Cetty and Veron (1987ESOSR...5....1V, 1989ESOSR...7....1V). The target positions taken from these catalogs were fed to GASP, the STSci Guide Star Astrometric Support Program, to generate revised positions from regions extracted from the STSci's digitized sky survey. The printed version of the catalog does not contain the Veron 1950 coordinates nor the difference between these and the GASP derived 1950 coordinates that are contained in this version.
(1 data file).

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