Astronomy and Astrophysics – Astrophysics
Scientific paper
2002-11-03
Astronomy and Astrophysics
Astrophysics
2 pages, 1 figure. To appear in "Active Galactic Nuclei, from Central Engine to Host Galaxy", eds Collin, Combes & Shlosman. P
Scientific paper
We study the percentage of active, HII and quiescent galaxies with companions
in the Palomar survey. We find that when we separate the galaxies by their
morphological types (ellipticals or spirals), to avoid morphology-density
effects, there is no difference in the percentage of galaxies with companions
among the different activity types.
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