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Low-Mass AGN at High Accretion Rates

Published online by Cambridge University Press:  03 June 2010

Dawei Xu  and
S. Komossa
Dawei Xu
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China Email: [email protected]
S. Komossa
Affiliation:
Max-Planck-Institut für extraterrestrische Physik, Postfach 1312, 85741 Garching, Germany Email: [email protected]
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Abstract

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Galaxies with low-mass black holes and high accretion rates, i.e., narrow-line Seyfert 1 (NLS1) galaxies, are important objects when addressing the issues of black hole growth and evolution, and of feeding and feedback. We have studied a sample of such objects, and find (1) that the locus of NLS1 galaxies on the MBH–σ plane appears to follow the relation of non-active galaxies after removing objects obviously dominated by outflows, (2) the presence of “blue outliers” that hint at extreme outflows as predicted by recent merger models, and (3) more subtle evidence for winds/outflows across the whole NLS1 population.

Keywords

galaxies: activegalaxies: Seyfert
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S267: Co-Evolution of Central Black Holes and Galaxies , August 2009 , pp. 338
Copyright
Copyright © International Astronomical Union 2010

References

Komossa, S. & Xu, D. 2007, ApJ, 667, L33CrossRefGoogle Scholar
Komossa, S., Xu, D., Zhou, H., Storchi-Bergmann, T., & Binette, L. 2008, ApJ, 680, 926CrossRefGoogle Scholar
Xu, D., Komossa, S., Zhou, H., Wang, T., & Wei, J. 2007, ApJ, 670, 60CrossRefGoogle Scholar