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Radio-loud narrow-line Seyfert 1 galaxies with high-velocity outflows

Published online by Cambridge University Press:  07 March 2016

S. Komossa ,
D. Xu  and
J. A. Zensus
S. Komossa
Affiliation:
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany email: [email protected]
D. Xu
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100012, China
J. A. Zensus
Affiliation:
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany email: [email protected]
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Abstract

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We have studied four radio-loud Narrow-line Seyfert 1 (NLS1) galaxies with extreme optical emission-line shifts, indicating radial outflow velocities of up 2450 km s−1. The shifts are accompanied by strong line broadening, up to 2270 km s−1 in [NeV]. A significant ionization stratification (higher line shift at higher ionization potential) of most ions implies that we see a large-scale wind rather than single, localized jet-cloud interactions. The observations are consistent with a scenario, where the signatures of outflows are maximized because of a pole-on view into the central engine of these radio-loud NLS1 galaxies.

Keywords

Black holesgalaxiesemission linesoutflowsjets
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 10 , Issue S312: Star Clusters and Black Holes in Galaxies across Cosmic Time , August 2014 , pp. 63 - 65
Copyright
Copyright © International Astronomical Union 2016 

References

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