Radio observations of Abell clusters and a comparison with certain Einstein observations

Details Radio observations of Abell clusters and a comparison with certain Einstein observations Radio observations of Abell clusters and a comparison with certain Einstein observations

Nov 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apjs...47..235j&link_type=abstract

Astrophysical Journal Supplement Series, vol. 47, Nov. 1981, p. 235-241. Research supported by the Lockheed Independent Researc

Astronomy and Astrophysics

Astronomy

14

Galactic Clusters, Heao 2, Radio Sources (Astronomy), X Ray Sources, Astronomical Coordinates, Galactic Structure, Radiant Flux Density, Radio Astronomy, Spectrum Analysis, Stellar Luminosity

Scientific paper

Areas around 70 clusters have been observed at the Arecibo Observatory primarily for coordination with about 60 Einstein X-ray sources. Arecibo source coordinates and flux density are tabulated, and some identifications are made with cataloged radio sources. Statistical estimates are made of the percentage of cluster sources among all sources in certain areas and to limits on the flux density of 430 MHz. Arecibo and other radio data are compared with the available Einstein data of seven clusters. Not every Einstein source has a radio counterpart, and the counterparts may variously be bilobed, tailed, or single. A parameter which is proportional to source continuum power at 430 MHz ranges over fewer orders of magnitude than the associated source X-ray luminosity, with no certain correlation between these parameters. NRAO Green Bank interferometer observations of A401 and A2142 are reported.

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