Infrared Coronal Line Widths in Type 1 Seyfert Galaxies

Details Infrared Coronal Line Widths in Type 1 Seyfert Galaxies Infrared Coronal Line Widths in Type 1 Seyfert Galaxies

Jun 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apj...446l...5g&link_type=abstract

Astrophysical Journal Letters v.446, p.L5

Astronomy and Astrophysics

Astronomy

13

Galaxies: Active, Galaxies: Seyfert

Scientific paper

We present high-resolution observations of six Seyfert 1 galaxies in the 2 microns region. We detected the [Si VI] 1.96 μm coronal line in all the galaxies and analyzed its profile, finding it to be variable in width from object to object, from very narrow profiles (FWHM 300 km s1) to profiles approaching the width of the broad lines. The coronal region seems to be placed differently in different galaxies, and in some cases the infrared coronal lines are useful as a probe of the structure of the broad-line region.

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