Herschel Observations of C+ in the Vicinity of Star Forming Complexes in the Galactic Plane

Details Herschel Observations of C+ in the Vicinity of Star Forming Complexes in the Galactic Plane Herschel Observations of C+ in the Vicinity of Star Forming Complexes in the Galactic Plane

May 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21641202p&link_type=abstract

American Astronomical Society, AAS Meeting #216, #412.02; Bulletin of the American Astronomical Society, Vol. 41, p.821

Astronomy and Astrophysics

Astronomy

Scientific paper

The CII fine-structure line at 158 um, is an excellent tracer of the warm diffuse gas and the hot, dense Photon Dominated Regions (PDRs). We can, therefore, use the CII emission as a probe to understand the effects of star formation on their interstellar environment. Here we present the first results from the Galactic Observations of Terahertz C+ (GOT C+), a Herschel Key Project study of CII fine structure emission in the vicinity of star forming complexes. In the Priority Science Phase of HIFI observations, the GOT C+ project collects data along a dozen lines of sight passing near star forming regions in the inner Galaxy from longitude 310 degrees to 25 degrees. We discuss our first results on the transition between dense and hot gas (traced by CII) and dense and cold gas (traced by 12CO and 13CO). This research was conducted at the Jet Propulsion Laboratory, California Institute of Technology under contract with the National Aeronautics and Space Administration. JLP was supported under the NASA Postdoctoral Program at JPL, Caltech, administered by Oak Ridge Associated Universities through a contract with NASA, and is currently supported as a Caltech-JPL Postdoc.

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