Radio and optical observations of 9 nearby Abell clusters - A262, A347, A569, A576, A779, A1213, A1228, A2162, A2666

Details Radio and optical observations of 9 nearby Abell clusters - A262, A347, A569, A576, A779, A1213, A1228, A2162, A2666 Radio and optical observations of 9 nearby Abell clusters - A262, A347, A569, A576, A779, A1213, A1228, A2162, A2666

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...105..200f&link_type=abstract

Astronomy and Astrophysics, vol. 105, no. 1, Jan. 1982, p. 200-218. Research supported by the Rijksuniversiteit Leiden and Cons

Astronomy and Astrophysics

Astronomy

55

Galactic Clusters, Heao 2, Radial Velocity, Radio Galaxies, Satellite Observation, Astronomical Maps, Emission Spectra, Luminosity, Radio Astronomy, Spiral Galaxies, Statistical Analysis, Tables (Data)

Scientific paper

A survey is made of 61 Abell clusters included in the HEAO-2 satellite observing program at 1.4 GHz. Data are presented on the nine clusters of distance class 1 and 2. With a view to establishing galaxy morphologies and extending the sample of the galaxies with known velocities, plates and spectra are obtained with a 152-cm telescope. The bivariate radio luminosity function of the cluster galaxies is determined for the three morphological types, E, SO, and S plus Irr, dividing these into three different classes of absolute optical magnitude. The radio luminosity functions of E and SO galaxies in present clusters do not differ from those of E and SO galaxies in clusters having higher richness. Some evidence exists that spiral galaxies in clusters have a lower probability of being radio sources than field ones. Also included is a brief discussion of the sizes of cluster radio sources and the correlation between radio emission and the presence of emission lines from a galaxy.

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