Infrared Emission in Seyfert 2 Galaxies - Reprocessed Radiation from a Dusty Torus?

Details Infrared Emission in Seyfert 2 Galaxies - Reprocessed Radiation from a Dusty Torus? Infrared Emission in Seyfert 2 Galaxies - Reprocessed Radiation from a Dusty Torus?

May 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aas...180.1605m&link_type=abstract

American Astronomical Society, 180th AAS Meeting, #16.05; Bulletin of the American Astronomical Society, Vol. 24, p.752

Astronomy and Astrophysics

Astronomy

Scientific paper

Recent work has revealed that a number of Seyfert 2 galaxies exhibit conically-shaped regions of gas apparently illuminated by a collimated, nuclear ionizing source. One model for this collimation is shadowing of the central source by a thick, dusty torus. From the emission-line ratios measured for gas within the cones, we have calculated the number of ionizing photons emitted by the compact nucleus. Then, on the assumption that the nuclear source radiates isotropically, we have found the power incident on the torus, which is expected to be reradiated in the infrared. A comparison of the predicted torus luminosity to the observed infrared luminosity will be presented for the nine objects with sufficient data to perform this calculation.

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