... Structural Analysis of Disk Galaxies of the NGC 524 Group M. A. Il'ina and O. K. Sil'chenko * Sternberg Astronomical Institute, Lomonosov Moscow State University, Moscow, Russia Received February 24, 2012; in final form, March 2, 2012 Abstract--Members of the NGC 524 group of galaxies are studied using data obtained on the 6m telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences, with the SCORPIO reducer in an imaging mode. ... NGC 502. ... NGC 524. ... Rev. Astron. ...
... 000, 113 (2010) Printed 21 September 2011 A (MN L TEX style file v2.2) A universal ultraviolet-optical colourcolourmagnitude relation of galaxies I1gor V. Chilingarian1,2, and Ivan Yu. ... Received 2011 Sep 15; in original form 2011 Feb 6 ABSTRACT The bimodal galaxy distribution in the optical colourmagnitude diagram (CMD) comprises a narrow "red sequence" populated mostly by early-type galaxies and a broad "blue cloud" dominated by star-forming systems. ...