Surface photometry of radio galaxies. II - Cluster sources

Astronomy and Astrophysics – Astronomy

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Astronomical Photometry, Galactic Clusters, Radio Galaxies, Charge Coupled Devices, Ellipticity, Galactic Structure, Luminosity

Scientific paper

R-band CCD photometric observations are reported for 52 radio galaxies in clusters for which good radio maps are available. Data obtained with the No. 1 0.9-m telescope at KPNO (following the procedures described by Owen and Laing, 1989) are presented in tables and graphs and discussed in detail. Optical and radio luminosity are found to be well correlated in twin-jet, fat-double, narrow-angle-tail, and small-twin-jet sources, all of which are clearly distinguished from the classical doubles as in the scheme of Fanaroff and Riley (1974). It is also shown that the elliptical parent galaxies of the extended radio sources form a one-parameter family with the optical luminosity as the key parameter.

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