Validity of H2 Column Density as a Kinetic Temperature Tracer

Details Validity of H2 Column Density as a Kinetic Temperature Tracer Validity of H2 Column Density as a Kinetic Temperature Tracer

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...204.6120s&link_type=abstract

American Astronomical Society Meeting 204, #61.20; Bulletin of the American Astronomical Society, Vol. 36, p.772

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

Being the most abundant molecule, molecular hydrogen plays significant role in various astrophysical environments. In a dense medium the temperature derived from J=0 and J=1 rotational levels of molecular hydrogen is believed to trace kinetic temperature. Here we discuss our implementation of a complete model of the H2 molecule into the plasma simulation code Cloudy, and show in which parameters (density and flux) T10 traces the kinetic temperature. We also compare the 21cm spin temperature and temperature deduced from H2 column density along the line of sight of HD185418.

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