Radio emission in the directions of cD and related galaxies in poor clusters. II - 1400-MHz pencil beam observations

Astronomy and Astrophysics – Astronomy

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Galactic Clusters, Pencil Beams, Radio Emission, Radio Sources (Astronomy), Radio Spectra, Radio Telescopes, Sensitivity

Scientific paper

The results of a 1400-MHz survey with the NRAO 91-m telescope for radio emission in the directions of poor clusters that contain cD or other related galaxies are reported. A total of 51 clusters was observed and 37 sources with S1400 > 150 mJy in 28 clusters were detected. We estimate that 16 ± 6% (8 ± 3 sources) of the poor clusters contain radio sources within 5 arcmin. The potential effects of cluster richness upon the probability of galaxy radio emission are discussed using this poor cluster sample and a similar radio survey of rich Abell clusters.

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