VLA observations of low luminosity radio galaxies. IV - The B2 sample revisited

Details VLA observations of low luminosity radio galaxies. IV - The B2 sample revisited VLA observations of low luminosity radio galaxies. IV - The B2 sample revisited

Apr 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26as...69...57f&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 69, no. 1, April 1987, p. 57-76.

Astronomy and Astrophysics

Astronomy

96

Astronomical Maps, Radio Astronomy, Radio Galaxies, Antenna Arrays, Calibrating, Data Reduction, Flux Density

Scientific paper

The authors present in a systematic way the observational work that has been done on two complete samples of low luminosity radio galaxies from the B2 sample. They construct two new samples, a {near} sample that includes 28 galaxies brighter than mpg = 15.7 in an area of sky of 0.76 sterad, and a {far} sample which contains 77 galaxies brighter than mv = 16.5 in an area of 0.44 sterad. Most galaxies were observed with at least one configuration of the Very Large Array at 1.4 GHz; some sources were observed by other authors and references to the relevant articles are given. New VLA B configuration observations at 1.4 GHz were made for a number of extended sources. The authors discuss some problems in the data reduction due to the fact that snapshot observations produce large holes in the center of the u-v plane. Most of the maps presented here are a combination of the B configuration observations discussed in this paper and observations with the C configuration, which were described in a previous article in this series. Thus the problem of u-v coverage has been overcome almost entirely.

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