The University of Arizona Astronomy Club Spectroscopic Survey of CS 2-1 toward 1.1 mm Clumps in the l=29-31 HiGal Field.

Details The University of Arizona Astronomy Club Spectroscopic Survey of CS 2-1 toward 1.1 mm Clumps in the l=29-31 HiGal Field. The University of Arizona Astronomy Club Spectroscopic Survey of CS 2-1 toward 1.1 mm Clumps in the l=29-31 HiGal Field.

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21725826s&link_type=abstract

American Astronomical Society, AAS Meeting #217, #258.26; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

The l=29-31 line-of-sight in the plane of the Milky Way crosses two spiral arms, the edge of the molecular ring, and the end of the central Galactic bar. This direction was the initial target region of a survey of the Galactic plane at far-infrared wavelengths with the Herschel Space Observatory (HiGal). 554 1.1 mm continuum clumps have been identified by the Bolocam Galactic Plane Survey in this region. Very little is known about the nature of these sources (size, mass, luminosity, etc.) since their distances are unknown. We present spectroscopy of the BGPS continuum sources in the CS J=2-1 line observed with the Arizona Radio Observatory 12m telescope. We detect nearly 74% of the 1.1 mm sources in the CS line and characterize their physical properties by determining their kinematic distances.

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