Trigonometric Parallaxes of Star-forming Regions beyond the Tangent Point of the Sagittarius Spiral Arm

As part of the BeSSeL Survey, we report trigonometric parallaxes and proper motions of molecular maser sources associated with 13 distant high-mass star-forming regions in the Sagittarius spiral arm of the Milky Way. In particular, we obtain improved parallax distance estimates for three well-studie...

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Veröffentlicht in:	The Astrophysical journal 2019-03, Vol.874 (1), p.94
Hauptverfasser:	Wu, Y. W., Reid, M. J., Sakai, N., Dame, T. M., Menten, K. M., Brunthaler, A., Xu, Y., Li, J. J., Ho, B., Zhang, B., Rygl, K. L. J., Zheng, X. W.
Format:	Artikel
Sprache:	eng
Schlagworte:	astrometry Astrophysics Galaxy: kinematics and dynamics Galaxy: structure masers Massive stars Milky Way Parallax Pitch (inclination) Star formation Stars & galaxies stars: formation
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