Star-Forming Galaxies in the Hercules Cluster: Hα Imaging of A2151
This paper presents the first results of an Hα imaging survey of galaxies in the central regions of the A2151 cluster. A total of 50 sources were detected in Hα, from which 41 were classified as secure members of the cluster and 2 as likely members based on spectroscopic and photometric redshift considerations. The remaining seven galaxies were
Cedrés, Bernabé et al.
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2009