Trigonometric Parallaxes of Massive Star Forming Regions I: S 252 & G232.6+1.0

Authors: 
Reid, M. J.; Menten, K. M.; Brunthaler, A.; Zheng, X. W.; Moscadelli, L.; Xu, Y.
Year: 
2 009
arXiv: 
http://arxiv.org/abs/0811.0595
Sub project: 
A
Journal Reference: 
ApJ 693, 397