Parallaxes for W49N and G048.60+0.02: Distant Star Forming Regions in the Perseus Spiral Arm

Authors: 
Zhang, B.; Reid, M. J.; Menten, K. M.; Zheng, X. W.; Brunthaler, A.; Dame, T. M.; Xu, Y.
Year: 
2 013
arXiv: 
http://arxiv.org/abs/1312.3856
Sub project: 
A
Journal Reference: 
ApJ 775, 79