The radio properties of high-redshift quasars. I - Dual-frequency observations of 79 steep-spectrum quasars at Z over 1.5

Details The radio properties of high-redshift quasars. I - Dual-frequency observations of 79 steep-spectrum quasars at Z over 1.5 The radio properties of high-redshift quasars. I - Dual-frequency observations of 79 steep-spectrum quasars at Z over 1.5

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apjs...87...63l&link_type=abstract

Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 87, no. 1, p. 63-133.

Astronomy and Astrophysics

Astrophysics

51

Quasars, Radio Galaxies, Red Shift, Astronomical Spectroscopy, Linear Polarization, Luminosity, Very Large Array (Vla)

Scientific paper

We have made sensitive VLA observations of virtually all known high-redshift radio-loud QSOs with extended radio morphologies. The resulting images have angular resolutions of typically 0.4 and 0.15 arcsec and are compiled here. This compilation of maps will permit the extraction of numerous radio source parameters, constituting a data base for comprehensive statistical analyses to be explored in subsequent papers. The data base is particularly useful for statistical studies. The key characteristics of the sample are the narrow redshift range, the narrow distribution in linear resolutions of the maps, the narrow distribution of map sensitivity to emitting regions of standard physical characteristics, and the relatively narrow range of source luminosities. As a result of these properties, the sample enjoys relative freedom from the effects of parameter correlations with redshift and luminosity. A brief discussion of the sample characteristics and some elaboration of the particular advantages of this sample are presented. Some clear trends in the data are discussed briefly.

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