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The CO-H2 conversion factor of diffuse ISM: Bright 12CO emission also traces diffuse gas
Published online by Cambridge University Press: 25 November 2011
Abstract
We show that the XCO factor, which converts the CO luminosity into the column density of molecular hydrogen has similar values for dense, fully molecular gas and for diffuse, partially molecular gas. We discuss the reasons of this coincidence and the consequences for the understanding of the interstellar medium.
- Type
- Research Article
- Information
- European Astronomical Society Publications Series , Volume 52: Conditions and Impact of Star Formation , 2011 , pp. 151 - 155
- Copyright
- © EAS, EDP Sciences 2011
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