The GB/GB2 sample of 122 intermediate-strength radio galaxies

Details The GB/GB2 sample of 122 intermediate-strength radio galaxies The GB/GB2 sample of 122 intermediate-strength radio galaxies

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985aj.....90..973m&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 90, June 1985, p. 973-986.

Mathematics

Logic

20

Radio Galaxies, Statistical Analysis, Color-Magnitude Diagram, Elliptical Galaxies, Galactic Structure, Luminosity, Radiant Flux Density, Radio Spectra, Red Shift

Scientific paper

Seven observational parameters have been obtained for each galaxy in a sample of 122 galaxies selected from Machalski and Condon's (1985) mapping of GB/GB2 intermediate strength radio sources with the VLA: (1) 1400-MHz flux density; (2) low and (3) high frequency spectral indices; (4) radio morphological type; (5) radio angular size; (6) optical R magnitude; and (7) optical color index (B-R). Linear sizes, total luminosities, and core luminosities of the radio sources were derived from these data. Statistical analyses of the sample indicate that about two-thirds of the brighter galaxies are ellipticals and most of the remainder are peculiar (either dumbbells or binaries) or N galaxies.

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