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Infrared-Selected “Warm” Galaxies Observed in X-rays

Published online by Cambridge University Press:  07 August 2017

Paul J. Green ,
Martin Ward ,
Scott F. Anderson ,
Bruce Margon ,
M. H. K. Degrijp  and
George K. Miley
Paul J. Green
Affiliation:
Physics Department, FM-15, University of Washington, Seattle, WA 98195
Martin Ward
Affiliation:
Astronomy Department, U.WA. IoA, Cambridge
Scott F. Anderson
Affiliation:
Astronomy Department, U.WA.
Bruce Margon
Affiliation:
Astronomy Department, U.WA.
M. H. K. Degrijp
Affiliation:
Sterrewacht Leiden
George K. Miley
Affiliation:
STScI, Baltimore

Extract

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The Infrared Astronomical Satellite (IRAS) has detected many galaxies in the infrared (IR), most of which have fairly steep 25μ to 60μ spectra. Many quasars and active galaxies exhibit a significantly flatter spectrum in the infrared. Several studies, for example, DeGrijp et al. (1985) used this characteristic to select a subsample of “warm” objects from the IRAS PSC (1985).

Type
Part 7: Dust, Molecules, Infrared and MM Radiation
Information
Symposium - International Astronomical Union , Volume 134: Active Galactic Nuclei , 1989 , pp. 420 - 421
Copyright
Copyright © Kluwer 1989 

References

DeGrijp, M. H. K., Miley, G.K., Lub, J., and de Jong, T. 1985, Nature, 314, 240.Google Scholar
DeGrijp, M. H. K., Miley, G.K., and Lub, J. 1987, Astr. Ap. Suppl., 70, 95.Google Scholar
Green, P. J. et al. 1989, Ap. J., submitted.Google Scholar
Kailey, W. F., and Lebofsky, M. J. 1988, Ap. J., 326, 653.Google Scholar
IRAS Catalogs and Atlases: Point Source Catalog 1985 (Washington, D. C.: U. S. Government Printing Office).Google Scholar