Bouchard, AntoineDa Costa, GaryJerjen, Helmut2015-12-070004-6256http://hdl.handle.net/1885/23824The results of an Hα photometric survey of 30 dwarf galaxies of various morphologies in the Centaurus A and Sculptor groups are presented. Of these 30, emission was detected in 13: eight are of late-type, two are early-type, and three are of mixed morphoKeywords: Cosmology; Dwarf - galaxies; Evolution - galaxies; Interactions - galaxies; Observations - galaxies; Statistics - H ? regions200910.1088/0004-6256/137/2/30382016-02-24