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Far infrared emission from galaxies

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Abstract

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) from IRAS Circular Nos. 1, 2, and 3 The FIR spectra of these galaxies are similar. The far infrared fluxF FIR in the wavelength interval 9–118 μm of the brighter galaxies is seen to be correlated with the integrated optical magnitudeB 0 T . The 12 and 25 μm fluxes of these galaxies exhibit the same dependence onB 0 T as the 10 and 21 μm fluxes from 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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Authors and Affiliations

  1. Tata Institute of Fundamental Research, Bombay, India

    K. V. K. Iyengar & R. P. Verma

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  1. K. V. K. Iyengar
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  2. R. P. Verma
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Iyengar, K.V.K., Verma, R.P. Far infrared emission from galaxies. Astrophys Space Sci 103, 61–70 (1984). https://doi.org/10.1007/BF00650044

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  • DOI: https://doi.org/10.1007/BF00650044

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