The activity of the nuclei of spiral galaxies and IR-emission

Details The activity of the nuclei of spiral galaxies and IR-emission The activity of the nuclei of spiral galaxies and IR-emission

Feb 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ap%26ss.164..257t&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 164, no. 2, Feb. 1990, p. 257-262.

Astronomy and Astrophysics

Astrophysics

1

Active Galactic Nuclei, Emission Spectra, Infrared Radiation, Spiral Galaxies, Astronomical Observatories, Radio Emission, Starburst Galaxies

Scientific paper

It is shown that the brightness of the spiral galactic nuclei at 10 microns depends on the Byurakan type of galaxies: the brightness is higher in the case of galaxies of types 5, 2s, 4, and 2, with optical signs of activity in comparison with galaxies of types 3 and 1 without optical signs of activity. The noted difference is larger when nonstellar emission at 10 microns is considered. The obtained results confirm conclusions made earlier on the activity of the nuclei of galaxies of types 5, 2s, 4, and 2.

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