IRAS 09149-6206, a new Seyfert I galaxy

Details IRAS 09149-6206, a new Seyfert I galaxy IRAS 09149-6206, a new Seyfert I galaxy

May 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...215..262p&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 215, no. 2, May 1989, p. 262-265.

Astronomy and Astrophysics

Astronomy

4

Emission Spectra, Infrared Astronomy Satellite, Seyfert Galaxies, Balmer Series, Iron, Spectral Energy Distribution, Visible Spectrum

Scientific paper

The serendipitous discovery of a new type I Seyfert galaxy, IRAS 09149-6206, found during a search for planetary nebulae using the IRAS Point Source Catalog is reported. The optical spectrum of this galaxy shows very strong broad Balmer and Fe II emission, indicating the existence of large optical depths, while the emission spectrum from the narrow line region is relatively weak, with only the high excitation lines present. The object presents extended forbidden O III emission, and from the rotation curve, a mass of 8 x 10th the 9th solar masses is calculated within a radius of 3 kpc. It is suggested that the activity could have been triggered by interaction with a close faint companion.

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