Far infrared emission from galaxies

Details Far infrared emission from galaxies Far infrared emission from galaxies

Aug 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984ap%26ss.103...61i&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 103, no. 1, Aug. 1984, p. 61-70.

Astronomy and Astrophysics

Astronomy

2

Far Infrared Radiation, Galactic Radiation, Infrared Astronomy, Satellite Observation, Spaceborne Astronomy, Active Galaxies, Astronomical Catalogs, Astronomical Photometry, Data Reduction, Infrared Astronomy Satellite, Infrared Spectra, Magnitude

Scientific paper

Until recently far infrared (FIR) observations of galaxies were limited to about a dozen bright and/or active galaxies. New photometric data has become available from Infrared Astronomical Satellite (IRAS) on 33 galaxies (most of them faint). The FIR spectra of these galaxies are similar. The far infrared flux in the wavelength interval 9-118 microns of the brighter galaxies is seen to be correlated with the integrated optical magnitude. The 12 and 25 microns fluxes of these galaxies exhibit the same dependence on the integrated optical magnitude as the 10 and 21 microns fluxes for Seyferts and other emission-line galaxies. This suggests that the galaxies detected by IRAS are some type of active galaxies in accord with the high percentage of these galaxies predicted by Lock and Rowan-Robinson (1983).

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