Models for infrared emission from IRAS galaxies

Details Models for infrared emission from IRAS galaxies Models for infrared emission from IRAS galaxies

May 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.238..523r&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 238, May 15, 1989, p. 523-558.

Astronomy and Astrophysics

Astronomy

236

Disk Galaxies, Infrared Astronomy Satellite, Infrared Spectra, Seyfert Galaxies, Starburst Galaxies, Cosmic Dust, Far Infrared Radiation, Interstellar Matter

Scientific paper

The far-infrared spectra of galaxies detected in four wavelength bands by IRAS have been modeled in terms of a cool disk component, a warmer starburst component, and a Seyfert component peaking at 25 microns. Although the models are found to fit the observed spectra of non-Seyfert and several Seyfert galaxies, a more complex geometry for the dust distribution is indicated for NGC 1068 and many other Seyfert galaxies. In some cases, the dust in the narrow-line region has a nonspherically symmetric geometry.

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