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The nuclear environment of the water megamaser radiogalaxy 3C 403

Published online by Cambridge University Press:  01 March 2007

Andrea Tarchi ,
A. Brunthaler ,
C. Henkel ,
K. M. Menten ,
J. A. Braatz  and
A. Weiss
Andrea Tarchi
Affiliation:
INAF-Osservatorio Astronomico di Cagliari, Loc. Poggio dei Pini, Strada 54 09012 Capoterra (CA), Italy; email: atarchi@ca.astro.it INAF-Istituto di Radioastronomia, Via Gobetti 101, 40129 Bologna, Italy
A. Brunthaler
Affiliation:
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, D-53121 Bonn, Germany
C. Henkel
Affiliation:
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, D-53121 Bonn, Germany
K. M. Menten
Affiliation:
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, D-53121 Bonn, Germany
J. A. Braatz
Affiliation:
National Radio Astronomy Observatory, 520 Edgemont Road, Charlottesville, VA 22903
A. Weiss
Affiliation:
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, D-53121 Bonn, Germany
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Abstract

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So far, few direct sub-arcsecond resolution studies exist of the dense material that, according to the standard unified scheme, should obscure the central engines of radio galaxies. In the following, observations are presented that highlight the nuclear environment of the prototypical X-shaped FR II galaxy 3C 403. To date, it is the only powerful radio galaxy known to host a water megamaser.

Keywords

masersgalaxies: individual (3C 403)galaxies: active
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 3 , Symposium S242: Astrophysical Masers and their Environments , March 2007 , pp. 408 - 409
Copyright
Copyright © International Astronomical Union 2008

References

Black, A. R. S., Baum, S. A., Leahy, J. P., Perley, R. A., Riley, J. M., & Scheuer, P. A. G. 1992, MNRAS 256, 186CrossRefGoogle Scholar
Govoni, F., Falomo, R., Fasano, G., & Scarpa, R. 2000, A&A 353, 507Google Scholar
Tarchi, A., Henkel, C., Chiaberge, M., & Menten, K. M. 2003, A&A (Letters) 407, L33Google Scholar