OH as an Alternate Tracer for Molecular Gas: Quantity and Structure of Molecular Gas in W5

@article{Engelke2019OHAA,
  title={OH as an Alternate Tracer for Molecular Gas: Quantity and Structure of Molecular Gas in W5},
  author={Philip D. Engelke and Ronald J. Allen},
  journal={The Astrophysical Journal},
  year={2019},
  volume={874},
  pages={49}
}
  • Philip D. Engelke, Ronald J. Allen
  • Published 2019
  • Physics
  • The Astrophysical Journal
  • We report column densities of molecular gas in the W5 star-forming region as traced with OH 18-cm emission in a grid survey using the Green Bank Telescope. OH appears to trace a greater column density than does CO in 8 out of 15 cases containing OH emission detections; the two molecules trace the same column densities for the other 7 cases. OH and CO trace a similar morphology of molecular gas with a nearly one-to-one correspondence. The mass of molecular gas traced by OH in the portion of the… CONTINUE READING

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