Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982aj.....87..598r&link_type=abstract
Astronomical Journal, vol. 87, Apr. 1982, p. 598-601. NSF-supported research.
Astronomy and Astrophysics
Astronomy
40
Astronomical Photometry, Infrared Astronomy, Infrared Photometry, Near Infrared Radiation, Seyfert Galaxies, Emission Spectra, Luminosity, Spectrophotometry
Scientific paper
Thirty Seyfert galaxies have been studied for bright sources. The photometry is reported and three of the more unusual galaxies (Mrk 705, Mrk 817, and Mrk 1095) are individually discussed. It is confirmed that infrared emission in excess of the stellar contribution is commonplace in Seyfert galaxies. Attention is drawn to the J-K colors of the galaxies which are generally redder for the Type I Seyferts than the Type II's. This can be explained either thermally or nonthermally.
Levan Paul D.
Rodriguez-Espinosa José M.
Rudy Richard J.
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