Infrared spectroscopy of forbidden Fe II, H2, and H line emission in galactic nuclei

Details Infrared spectroscopy of forbidden Fe II, H2, and H line emission in galactic nuclei Infrared spectroscopy of forbidden Fe II, H2, and H line emission in galactic nuclei

Sep 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...203..278m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 203, no. 2, Sept. 1988, p. 278-288.

Astronomy and Astrophysics

Astrophysics

164

Forbidden Bands, Galactic Nuclei, H Lines, Infrared Spectroscopy, Emission Spectra, Molecular Clouds, Seyfert Galaxies, Shock Waves, Spectral Line Width, Star Formation, Starburst Galaxies

Scientific paper

The IRSPEC infrared array spectrometer (R ≅ 1500) has been used at the ESO 3.6 m telescope to search for [Fe II] (1.644 μm), H2 (υ = 1-0S(1), 2.121 μm) and Brγ (H7-4, 2.166 μm) line emission in 35 galaxy nuclei selected to represent the full range of optical activity from pure H II region-like to Seyfert 1. All three lines have been detected in a large fraction of those nuclei exhibiting evidence for star formation activity but not in "pure" Seyferts. The highest detection frequency, however, was obtained amongst composite nuclei in which both Seyfert and star forming regions are present.

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