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Published 1981 | Published
Book Section - Chapter Open

The infrared properties of active extragalactic nuclei


In this paper we review the observed infrared properties of the general classes of active extragalactic nuclei with the purpose of relating the observations to the mechanisms responsible for the emission processes. We will first give a summary of those observations which define the energy distributions and emission line ratios of broad groups of objects. We will intersperse measurements of specific features throughout the discussion that illustrate definite emission mechanisms.

Additional Information

© 1981 by the IAU. We would like to thank our colleagues who provided preprints of unpublished work. We especially thank A. R. Hyland, Steve Willner, Fred Gillett and Barbara Jones for making available to us and discussing unpublished data. Infrared astronomy at the California Institute of Technology is supported by grants from the NSF and from NASA.

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Published - 1981IAUS___96__329S.pdf


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August 19, 2023
March 5, 2024