Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.248..606r&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 248, Feb. 15, 1991, p. 606-629. Research supported by S
Astronomy and Astrophysics
Astronomy
281
Active Galactic Nuclei, Infrared Spectra, Spectral Energy Distribution, Absorption Spectra, Astronomical Spectroscopy, Emission Spectra, H Ii Regions, Infrared Astronomy Satellite
Scientific paper
The spectral energy distributions are presented for 60 galaxies for which 8-13-micron, and in some cases 17-23-micron, spectra have been obtained. It is shown how the detailed shape of the 8-13-micron spectrum, and in particular the presence or absence of spectral features, relates to other IR properties. The surprising variety in the 10-micron properties and spectral energy distribution of active galaxies, which contrasts with the homogeneity of those nuclei which are dominated by H II region emission, is demonstrated.
Aitken David K.
Roche Patrick F.
Smith Craig H.
Ward Martin J.
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