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Trigonometric Parallax of RCW 122

Published online by Cambridge University Press:  24 July 2012

Y. W. Wu ,
Y. Xu ,
K. M. Menten ,
X. W. Zheng  and
M. J. Reid
Y. W. Wu
Affiliation:
Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008, email: [email protected] Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany
Y. Xu
Affiliation:
Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008, email: [email protected]
K. M. Menten
Affiliation:
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany
X. W. Zheng
Affiliation:
School of Astronomy and Space sience, Nanjing University, Nanjing 210093, China
M. J. Reid
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA
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Abstract

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As a part of the BeSSeL (Bar and Spiral Structure Legacy) survey, we report a trigonometric parallax for the massive star-forming region G348.70–1.04. Its distance is 3.38−0.27+0.33 kpc, indicating that it is in the Scutum-Centaurus arm. Its proper motion is −0.73 ± 0.04 mas yr−1 toward the east and −2.83 ± 0.50 mas yr−1 toward the north.

Keywords

astrometrymasersstars: formationtechniques: high angular resolution
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S287: Cosmic Masers - from OH to H0 , January 2012 , pp. 425 - 426
Copyright
Copyright © International Astronomical Union 2012

References

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