NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-21 T17:05:29 PDT
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For refcode 1998ApJS..117....1V:
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Copyright by American Astronomical Society. Reproduced by permission
1998ApJS..117....1V ATLAS OF H{alpha} EMISSION OF A SAMPLE OF NEARBY HICKSON COMPACT GROUPS OF GALAXIES J. M. VILCHEZ AND J. IGLESIAS-PARAMO Instituto de Astrofisica de Canarias C Via Lactca s.n., 38200 La Laguna, Tenerife, Spain;jiglesia@ll.iac.es Received 1997 October 28; accepted 1998 February 3 ABSTRACT H{alpha} and adjacent continuum images are presented for a sample of nearby groups of galaxies extracted from the Atlas of Compact Groups of Galaxies. Also, more detailed H{alpha} maps of the most remarkable galaxies are shown in this paper. A short description of the H{alpha} emission for each of the galaxies with accordant redshift is presented together with a morphological classification of the accordant galaxies in the sample. A large fraction of ellipticals and lenticulars were detected in H{alpha}. Also, clear signs of interactions were found in seven of the groups, but in only in three of them was H{alpha} emission detected along the tidal features. Candidates of dwarf galaxies were found at the tips of the tidal tails developed during the interactions in these three groups. Subject headings: atlases - galaxies: clusters: general - galaxies: ISM - galaxies: structure
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