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The distance to G59.7+0.1 and W3OH

Published online by Cambridge University Press:  01 October 2007

Y. Xu ,
M. J. Reid ,
K. M. Menten ,
X. W. Zheng ,
A. Brunthaler  and
L. Moscadelli
Y. Xu
Affiliation:
Max-Planck-Institute für Radioastronomie, Bonn, Germany email: xuye@mpifr-bonn.mpg.de Purple Mountain Observatory, Nanjing, China
M. J. Reid
Affiliation:
Harvard-Smithsonian Center for Astrophysics, USA
K. M. Menten
Affiliation:
Max-Planck-Institute für Radioastronomie, Bonn, Germany email: xuye@mpifr-bonn.mpg.de
X. W. Zheng
Affiliation:
Nanjing University, China
A. Brunthaler
Affiliation:
Max-Planck-Institute für Radioastronomie, Bonn, Germany email: xuye@mpifr-bonn.mpg.de
L. Moscadelli
Affiliation:
Arcetri Obs., Firenze, Italy
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Abstract

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We have measured the distance to the high-mass star-forming region G59.7+0.1 (IRAS 19410+2336) and W3OH. Their distances, 2.20 ± 0.11 kpc and 1.95 ± 0.04 kpc, respectively, were determined by triangulation using Very Long Baseline Array (VLBA) observations of 12.2 GHz methanol masers phase-referenced to compact extragalactic radio sources. In addition to the distances, we have also obtained their proper motions.

Keywords

ISM: moleculesastrometryGalaxy: structure
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 3 , Symposium S248: A Giant Step: from Milli- to Micro-arcsecond Astrometry , October 2007 , pp. 214 - 216
Copyright
Copyright © International Astronomical Union 2008

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