Trigonometric Parallaxes of Massive Star-Forming Regions. VII. G9.62+0.20 and the Expanding 3 kpc Arm

Authors: 
Sanna, A.; Reid, M. J.; Moscadelli, L.; Dame, T. M.; Menten, K. M.; Brunthaler, A.; Zheng, X. W.; Xu, Y.
Year: 
2 009
arXiv: 
http://arxiv.org/abs/0909.3773
Sub project: 
A
Journal Reference: 
2009ApJ...706..464S