High Spatial Resolution Mid-Infrared Observations of Five Seyfert Galaxies

Details High Spatial Resolution Mid-Infrared Observations of Five Seyfert Galaxies High Spatial Resolution Mid-Infrared Observations of Five Seyfert Galaxies

Jun 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004pasp..116..493s&link_type=abstract

The Publications of the Astronomical Society of the Pacific, Volume 116, Issue 820, pp. 493-496.

Astronomy and Astrophysics

Astronomy

1

Galaxies: Seyfert, Infrared: Galaxies, Galaxies: Individual: Alphanumeric: I Zw 1, Galaxies: Individual: Ngc Number: Ngc 1320, Galaxies: Individual: Ngc Number: Ngc 2992, Galaxies: Individual: Messier Number: M81, Galaxies: Individual: Ngc Number: Ngc 7479

Scientific paper

High spatial resolution images at 12.5 μm of the nuclei of five nearby Seyfert galaxies-I Zwicky 1, NGC 1320, NGC 2992, M81, and NGC 7479-have been obtained with the 10 m Keck Telescope. The angular size limits indicate that under typical conditions the Keck Telescope shows an unresolved nucleus for these active galactic nuclei. In all cases, the lower limit to the infrared surface brightness is above 3×1012 Lsolar kpc-2 this argues that nuclear starbursts do not contribute significantly to the infrared luminosities in these nuclei.

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