Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....84..228g&link_type=abstract
Astronomy and Astrophysics, vol. 84, no. 1-2, Apr. 1980, p. 228-236. Research supported by the Consiglio Nazionale delle Ricerc
Astronomy and Astrophysics
Astrophysics
14
Astronomical Maps, Astronomical Spectroscopy, Galactic Clusters, Radio Galaxies, Astronomical Catalogs, Brightness, Emission Spectra, Luminosity
Scientific paper
The clusters A 2197 and A 2199 have been mapped at 610 MHz with the WSRT. 20 bright (Mp not greater than -18) cluster galaxies have been detected and are used to construct the Radio Luminosity Function separately for the (E plus SO) and the (S plus I) galaxies. The RLF of the (E plus SO) in A 2197 is in excess compared to A 2199, the other clusters studied in this survey and the general field. The discrepancy is strengthened further by an anomalously high percentage of emission lines in the spectra of the detected galaxies. The RLF of the (S plus I) on the contrary is rather higher in A 2199 than in A 2197. Concerning individual sources, no evidence is found of an extended low brightness halo around 3C 338, the compact double associated with the central cD galaxy NGC 6166 in A 2199. A probable 'head-tail' galaxy has been found in A 2197.
Gavazzi Giuseppe
Perola Giuseppe Cesare
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