Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986acaps...6..169c&link_type=abstract
(Acta Astrophysica Sinica, vol. 6, 1986, p. 169-175) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 10, Sept. 1986, p
Astronomy and Astrophysics
Astrophysics
2
Mass Distribution, Seyfert Galaxies, Distance, Red Shift, Statistical Tests
Scientific paper
The Cfa sample with its complete redshift data is used to calculate the projected distances in space of its Seyfert and non-Seyfert galaxies from their respective nearest neighbors. Among galaxies with distances to their nearest neighbors of less than 20 kpc, the fraction of Seyferts is as high as 10 percent, strikingly higher than the average value of 3 percent. This shows that the existence of nearby galaxies probably provides a favorable environment for generating Seyfert-type activities.
Chen Jian-Sheng
Zou Zhen-Long
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