Mathematics – Logic
Scientific paper
Aug 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jena.confe..52k&link_type=abstract
"JENAM-2007, "Our non-stable Universe", held 20-25 August 2007 in Yerevan, Armenia. Abstract book, p. 52-52"
Mathematics
Logic
Scientific paper
The observed flattening of galaxies of different morphological classes has been considered in subclusters of Coma, selected around NGC 4889, NGC4874 and NGC 4839 galaxies, based on the data from Abastumani Merged Catalogue of Galaxies. Mean values of observed diameter ratios of galaxies together with histograms of their distributions evidence that galaxies of E and SO types, located in the central dense parts of subclusters with the volume ~ 0.5 h-1 75 Mpc, appear to be close to spherically-symmetric shape. A noticeable decrease of mean values of diameters of galaxies regardless of their morphology is marked in subclusters compared to the halo of Coma cluster. In subclusters there were selected spiral galaxies with HI-deficiency, which by a factor of 5 and more exceeds HI-deficiency observed in spirals in the cluster field. The location of most of HI-deficient galaxies according to their 3-D coordinates nearer to the south-eastern edge of a subcluster around NGC 4874 nearby the extended gas filament in x-ray emission can evidence the ongoing fall of subcluster onto the central condensation of faint galaxies of Coma cluster and possible merge with it.
Borchkhadze Tengiz M.
Kalloghlian Arsen T.
Kogoshvili N. G.
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