The host galaxies of nearby Seyfert 1 nuclei

Details The host galaxies of nearby Seyfert 1 nuclei The host galaxies of nearby Seyfert 1 nuclei

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ap%26ss.205..107k&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 205, no. 1, p. 107-112.

Astronomy and Astrophysics

Astronomy

1

Active Galactic Nuclei, Infrared Imagery, Seyfert Galaxies, Quasars, Stellar Color, X Ray Astronomy

Scientific paper

Optical and IR imaging data of a complete hard X-ray selected sample of AGN are used to investigate the host galaxies of nearby Seyfert 1 nuclei. No significant difference in IR colors of the stellar component is found with respect to a comparison sample of Liners and starbursts, except that the reradiating dust in Seyferts tends to be hotter and lie closer to the nucleus. The blue, ringlike or elongated structure in optical color ratio maps of NGC 3227 and NGC 7469 and its correspondence with molecular CO geometry is interpreted as evidence for circumnuclear star formation in these AGN.

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