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Detection of water vapor maser in a narrow-line Seyfert 1 nucleus

Published online by Cambridge University Press:  22 December 2003

C. Boily ,
P. Patsis ,
S. Portegies ,
R. Spurzem ,
C. Theis ,
Y. Hagiwara ,
P. J. Diamond ,
E. Rovilos  and
M. Miyoshi
Y. Hagiwara
Affiliation:
ASTRON, Westerbork Observatory, P.O. Box 2, Dwingeloo, 7990 AA, The Netherlands
E. Rovilos
Affiliation:
Jodrell Bank Observatory, University of Manchester, UK
M. Miyoshi
Affiliation:
National Astronomical Observatory, Mitaka, Japan
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Abstract

We have discovered 22 GHz water vapor maser toward a narrow-line type 1 (NLS1) Seyfert galaxy, NGC4051. The detection of water masers in such galaxies is very rare. The Doppler-shifted maser components symmetrically straddle a component lying at about 712 km s-1. The location of each maser component is of great interest for studying galactic dynamical structures around an active nucleus. We report on preliminary results of VLA observations.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 10: JENAM 2002, Galactic & Stellar Dynamics , 2003 , pp. 203
Copyright
© EAS, EDP Sciences, 2003

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