A Parallactic Distance of 389 +24/-21 parsecs to the Orion Nebula Cluster from Very Long Baseline Array Observations

@article{Sandstrom2007APD,
  title={A Parallactic Distance of 389 +24/-21 parsecs to the Orion Nebula Cluster from Very Long Baseline Array Observations},
  author={K. Sandstrom and J. Peek and G. Bower and A. Bolatto and R. Plambeck},
  journal={arXiv: Astrophysics},
  year={2007}
}
  • K. Sandstrom, J. Peek, +2 authors R. Plambeck
  • Published 2007
  • Physics
  • arXiv: Astrophysics
  • We determine the parallax and proper motion of the flaring, non-thermal radio star GMR A, a member of the Orion Nebula Cluster, using Very Long Baseline Array observations. Based on the parallax, we measure a distance of 389 +24/-21 parsecs to the source. Our measurement places the Orion Nebula Cluster considerably closer than the canonical distance of 480 +/- 80 parsecs determined by Genzel et al. (1981). A change of this magnitude in distance lowers the luminosities of the stars in the… CONTINUE READING
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