Tracing the Serpens Molecular Cloud with 12CO and 13CO J = 2 -> 1: Achieving High Resolution over a Large Field of View.

Details Tracing the Serpens Molecular Cloud with 12CO and 13CO J = 2 -> 1: Achieving High Resolution over a Large Field of View. Tracing the Serpens Molecular Cloud with 12CO and 13CO J = 2 -> 1: Achieving High Resolution over a Large Field of View.

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21934930b&link_type=abstract

American Astronomical Society, AAS Meeting #219, #349.30

Astronomy and Astrophysics

Astronomy

Scientific paper

We made high resolution 2-D spectroscopic maps of 12CO and 13CO J = 2 -> 1 emission over about 1.1 deg2 for the Serpens molecular cloud. We took our observations with the Submillimeter Telescope on Mt. Grahamn, Arizona, and achieved 38'’ spatial and 0.3 km/sec spectral resolutions in both the 12CO and 13CO maps. These data allow us to trace the local temperature and velocity distribution of gas for the most active star forming regions in Serpens. We use a molecular cloud model and the spectral line information derived from our 12CO and 13CO maps to estimate the total hydrogen (H2 and HI) column density at all spatially resolved pixels. Finally, we compare our hydrogen column density map to a well-known optical extinction map for Serpens, derived from Spitzer c2d Legacy project data, and the distribution of cold and dense gas in Serpens, which was previously measured using Bolocam at the Caltech Submillimeter Observatory. This research was supported in part by NSF Grant # AST-0708131 to the University of Arizona and the University of Arizona 2010-2011 Space Grant program.

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