NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-23 T03:58:44 PDT
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For refcode 2001A&A...378..428K:
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Copyright by European Southern Observatory (ESO). Reproduced by permission
2001A&A...378..428K Statistical study of M 51-type galaxies S. A. Klimanov and V. P. Reshetnikov Astronomical Institute of St. Petersburg State University, 198504 St. Petersburg, Russia Isaac Newton Institute of Chile, St. Petersburg Branch, Russia Received 23 August 2000/Accepted 12 July 2001 Abstract. We present a statistical analysis of a new sample of M 51-type galaxies. Using the MCG and VV catalogues, we selected 32 such binary systems. We found that a typical M 51-type pair consists of a bright L^*^ spiral galaxy and a satellite with blue luminosity 1/30-1/3 of the primary one. The main galaxies in such pairs are often barred and have two well-defined spiral arms. M 51-type systems show an enhanced star formation rate (from FIR luminosities). We found a weak dependence of the star formation rate of the system on relative luminosity of the companion. M 51-type galaxies are relatively frequent: about 1/12 of all pairs are of M 51-type. Key words: galaxies: evolution, general, interactions, photometry, peculiar, spiral
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