A Seyfert nucleus of a new ring galaxy in Sextans

Details A Seyfert nucleus of a new ring galaxy in Sextans A Seyfert nucleus of a new ring galaxy in Sextans

Apr 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...315l..23w&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 315, April 1, 1987, p. L23-L27.

Astronomy and Astrophysics

Astronomy

15

Galactic Nuclei, Galactic Structure, Infrared Sources (Astronomy), Ring Galaxies, Seyfert Galaxies, Balmer Series, Galactic Evolution

Scientific paper

A new ring galaxy has been found in Sextans. Its nucleus shows broad Balmer lines with width at least 7000 km s-1 and narrow forbidden lines, which are characteristic of a Seyfert 1 nucleus. The ring galaxy was identified as an optical counterpart of the IRAS source 09595-0755 and found to be one of the most luminous infrared sources among ring galaxies. It is suggested that galaxy collisions which result in ring galaxy formation may activate nuclei into Seyfert activity.

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