Radial velocities and spectrophotometric properties of southern binary galaxies
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^{-1} 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. Table 1 is also available at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/Abs tract.html
- Publication:
-
Astronomy and Astrophysics Supplement Series
- Pub Date:
- October 1997
- Bibcode:
- 1997A&AS..125..329D
- Keywords:
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- GALAXIES: INTERACTIONS;
- GALAXIES: STELLAR CONTENT