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Published March 1, 1984 | Published
Journal Article Open

A 25 micron component in 3C 390.3


Infrared Astronomical Satellite (IRAS) observations show that there is a maximum in the continuum energy distribution of the broad-line radio galaxy 3C 390.3 near 25µm and that this active galaxy emits most of its energy in the infrared. If the 25µm component is thermal, its temperature is approximately 180 K, and its size must exceed tens of parsecs.

Additional Information

© 1984 American Astronomical Society. Received 1983 September 16; accepted 1983 November 18. Without the painstaking efforts of Gene Kopan, Dave Gregorich, Carol Oken, and Linda Fullmer, the reduction of these data would have been impossible.

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Published - 1984ApJ___278L__79M.pdf


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August 19, 2023
March 5, 2024