Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001apj...560..110w&link_type=abstract
The Astrophysical Journal, Volume 560, Issue 1, pp. 110-118.
Astronomy and Astrophysics
Astronomy
4
Galaxies: Individual (Ngc 6764, Markarian 1126), Galaxies: Interactions, Galaxies: Ism, Galaxies: Seyfert
Scientific paper
We present the results of a 21 cm line study of the environment of two Seyfert galaxies: NGC 6764 and Mrk 1126. Both galaxies are embedded in large and slightly distorted gaseous disks that extend 2-4 times farther than their optical diameters. The asymmetry of the H I distribution and profile is indicative of a weak perturbation, although one that is not strong enough to disturb either the gas or the stars in the inner parts of the galaxies. Whereas Mrk 1126 does have a nearby companion, MCG -02-58-017, the gravitational interaction between the two galaxies is quite weak, and it is unlikely that MCG -02-58-017 is responsible for driving the nuclear activity in Mrk 1126. NGC 6764 has no companions within a radius of 160 kpc. We conclude that the nuclear activity in NGC 6764 and Mrk 1126 is unrelated to the galaxies' immediate environment.
Brinks Elias
Turnbull Margaret C.
Wilcots Eric M.
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