NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-22 T04:22:46 PDT
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For refcode 2001ARep...45..841C:
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Copyright by American Institute of Physics. 2001ARep...45..841C Galaxies with Rows A. D. Chernin, A. S. Kravtsova, A. V. Zasov, and V. P. Arkhipova Sternberg Astronomical Institute, Universitetskii pr.13, Moscow, 119899 Russia Received March 16, 2001 Abstract - The results of a search for galaxies with straight structural elements usually spiral-arm rows ("rows" in the terminology of Vorontsov-Vel'yaminov), are reported. The list of galaxies that possess (or probably possess) such rows includes about 200 objects, of which about 70%are brighter than 14^m^. On the whole, galaxies with rows make up 6-8% of all spiral galaxies with well-developed spiral patterns. Most galaxies with rows are gas-rich Sbc-Scd spirals. The fraction of interacting galaxies among them is appreciably higher than among galaxies without rows. Earlier conclusions that as a rule, the lengths of rows are similar to their galactocentric distances and that the angles between adjacent rows are concentrated near 120^deg^ are confirmed. It is concluded that the rows must be transient hydrodynamic structures that develop in normal galaxies.
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