Cold Cores Identified at 160 microns in the Taurus Spitzer Survey

Details Cold Cores Identified at 160 microns in the Taurus Spitzer Survey Cold Cores Identified at 160 microns in the Taurus Spitzer Survey

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21741105t&link_type=abstract

American Astronomical Society, AAS Meeting #217, #411.05; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

We have developed a technique to identify cold cores in star-forming regions using 160 micron image data from the Spitzer Space Telescope in combination with 100 micron IRAS data. The method is applied to the 44 square degree Taurus Legacy Survey to produce an image of emission from cold cores, and further produce a catalog of cores covering the entire Taurus region. The 160 micron cold cores are an excellent tracer of dense gas and dust, and correlate well with high extinction (Av > 4) and submillimeter continuum emission. Comparing the distribution of known YSOs and new YSO candidates with the cold cores we find most class I sources are spatially coincident with a cold core. However, most 160 micron cold cores in Taurus are starless. We discuss some of the implications for cold core lifetimes.

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