Trigonometric Parallaxes of Massive Star Forming Regions: VIII. G12.89+0.49, G15.03-0.68 (M17) and G27.36-0.16

Mar, 2011
17 pages
Published in:
  • Astrophys.J. 733 (2011) 25
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Abstract: (arXiv)
We report trigonometric parallaxes for three massive star forming regions, corresponding to distances of 2.340.11+0.132.34^{+0.13}_{-0.11} kpc for G12.89+0.49 (also known as IRAS 18089-1732),1.980.12+0.141.98^{+0.14}_{-0.12} kpc for G15.03-0.68 (in the M17 region), and 8.02.0+4.08.0^{+4.0}_{-2.0} kpc for G27.36-0.16. Both G12.89+0.49 and G15.03-0.68 are located in the Carina-Sagittarius spiral arm.