Near-Infrared Spectroscopy of Seyfert Galaxies

Details Near-Infrared Spectroscopy of Seyfert Galaxies Near-Infrared Spectroscopy of Seyfert Galaxies

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...185.2702r&link_type=abstract

American Astronomical Society, 185th AAS Meeting, #27.02; Bulletin of the American Astronomical Society, Vol. 26, p.1356

Astronomy and Astrophysics

Astronomy

Seyfert, Agn, Infrared, Narrow Lines, Spectroscopy

Scientific paper

We present high resolution (R=2200-3300, 120-100$ km/s), IR spectra of [FeII] 1.644mu, H_2 2.121 mu, and Brgamma of 12 Seyfert galaxies (3 Sy1, 9 Sy2) selected from relatively homogeneous and unbiased samples (CfA, 12 mu, and RSA catalogs). Strengths, line profiles, and line ratios ([FeII]/Brgamma, H_2/Brgamma) are used to analyze the physical conditions in the line-emitting regions, as well as the energetic origin of these lines as a function of Seyfert type. We discuss the origin of the [FeII] emission, both by analysis of line widths and through comparison of AGN line ratios with those in starburst galaxies. We hope to distinguish whether the [FeII] is related to stellar processes or arises due to the presence of an AGN wind.

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