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Date and Time of the Query: 2019-06-25 T00:28:50 PDT
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For refcode 1997ApJ...487L..33R:
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Copyright by American Astronomical Society. Reproduced by permission
1997ApJ...487L..33R The Nature of the Far-Infrared Emission from Seyfert Galaxies J. M. RODRIGUEZ ESPINOSA AND A. M. PEREZ GARCIA Instituto de Astrofisica de Canarias, E-38200 La Laguna (Tenerife), Spain Received 1997 May 9; accepted 1997 July 10 ABSTRACT 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 microns. 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. Subject headings: galaxies: active-galaxies: Seyfert-infrared: galaxies
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