Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...321l..35k&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 321, Oct. 1, 1987, p. L35-L40.
Astronomy and Astrophysics
Astronomy
57
Galactic Radiation, Infrared Spectroscopy, Interstellar Gas, Molecular Spectra, Active Galactic Nuclei, Black Body Radiation, Galactic Structure, H Ii Regions, Infrared Astronomy Satellite, Interacting Galaxies, Statistical Analysis
Scientific paper
The intensities of the molecular hydrogen H2 υ = 1-0 S(1) line, and the Brγ line of atomic hydrogen as well as the K magnitude have been observed in 21 IRAS galaxies. The sample includes type 1 and type 2 Seyferts, LINERs, H II region galaxies, and interacting galaxies. Their IR luminosities range from 5×108to 1012L_sun;. It is found that, relative to the far-infrared luminosity, both the K luminosities and the intensities of molecular hydrogen emission in the AGN galaxies are higher than in the non-AGNs. Relative to braod-band K flux, the H II region galaxies show enhanced Brγ emission. Within any galaxy type, there is evidence that the H2 emitting region extends over 1 kpc or more from the nucleus.
Gregory Brooke
Kawara Kimiaki
Nishida Minoru
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