The Nature of the Far-Infrared Emission from Seyfert Galaxies

Details The Nature of the Far-Infrared Emission from Seyfert Galaxies The Nature of the Far-Infrared Emission from Seyfert Galaxies

Sep 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997apj...487l..33r&link_type=abstract

Astrophysical Journal Letters v.487, p.L33

Astronomy and Astrophysics

Astronomy

19

Galaxies: Active, Galaxies: Seyfert, Infrared: Galaxies

Scientific paper

Optical R-band imaging data and far-infrared (FIR) Infrared Space Observatory data from Seyfert galaxies are combined to show that the compact optical emission from the nuclear and circumnuclear region correlates reasonably well with the warm FIR emission that is observed in these objects, while the extended optical emission, which essentially originates in the host galaxy disk, correlates with the cold FIR emission that peaks at around 100 mu m. We further show that while the compact optical emission in all the objects studied always accounts for less than half of the total R-band emission, the warm FIR emission, which is attributed to the nuclear and circumnuclear region, dominates the total FIR luminosity in some objects.

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