NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-19 T01:00:15 PDT
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For refcode 1997A&AS..125..329d:
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Copyright by European Southern Observatory (ESO). Reproduced by permission
1997A&AS..125..329d Radial velocities and spectrophotometric properties of southern binary galaxies. de Souza R.E., de Mello D.F., dos Anjos S. Received September 23 1996; accepted January 10, 1997 Abstract. We present spectrophotometry of a sample of 26 Southern binary galaxies 17 pairs were confirmed to be physically associated with typical separation of 136 h^-1^kpc. Pairs with velocity difference {DELTA}v >= 600 km/s are probably not physically bound. A comparison with field galaxies suggests that galaxies in pairs tend to have a younger population probably stimulated by tidal interaction. No correlation between the young population and projected separation was found. Key words: galaxies: interactions - galaxies: stellar content
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