Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...131..276h&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 131, no. 2, Feb. 1984, p. 276-282.
Astronomy and Astrophysics
Astrophysics
3
Astronomical Spectroscopy, Galactic Clusters, Radio Galaxies, Astronomical Maps, Brightness Distribution, Data Reduction, Galactic Structure, Halos, Radiant Flux Density
Scientific paper
The rich cluster of galaxies Abell 2124 (D = 3, R = 1) has been observed at 608.5 MHz with the Westerbork Synthesis Radio Telescope (WSRT) in order to see if the radio halo source suggested by previous observations at 430 MHz (Hanisch, 1982) was real, or rather simply a pseudo-halo produced through confusion of weak discrete sources. The resulting model drift scans agree very closely with the original Arecibo observations. It therefore seems clear that Abell 2124 does not contain a strong radio halo source. Two other rich clusters, Abell 2243 (D = 5, R = 1) and Abell 2244 (D = 5, R = 2) were observed at 1415 MHz with the WSRT. The higher resolution WSRT observations were carried out in order to see if the radio emission in these clusters was preferentially associated with the binary galaxy systems. None of the detected sources are identified with members of binary systems.
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