Chandra Observation of the Trifid Nebula: X-Ray Emission from the O Star Complex and Actively Forming Pre-Main-Sequence Stars

@article{Rho2004ChandraOO,
  title={Chandra Observation of the Trifid Nebula: X-Ray Emission from the O Star Complex and Actively Forming Pre-Main-Sequence Stars},
  author={J. Rho and S. Ram{\'i}rez and M. Corcoran and K. Hamaguchi and B. Lefloch},
  journal={The Astrophysical Journal},
  year={2004},
  volume={607},
  pages={904-912}
}
The Trifid Nebula, a young star-forming H II region, was observed for 16 hr by the ACIS-I detector on board the Chandra X-Ray Observatory. We detected 304 X-ray sources, 30% of which are hard sources and 70% of which have near-infrared counterparts. Chandra resolved the HD 164492 multiple system into a number of discrete X-ray sources. X-ray emission is detected from components HD 164492A (an O7.5 III star that ionizes the nebula), B and C (a B6 V star), and possibly D (a Be star). Component C… Expand
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