A MIPS View of Dense Cores and Embedded Sources in the Taurus Spitzer Legacy Survey

Details A MIPS View of Dense Cores and Embedded Sources in the Taurus Spitzer Legacy Survey A MIPS View of Dense Cores and Embedded Sources in the Taurus Spitzer Legacy Survey

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21442303t&link_type=abstract

American Astronomical Society, AAS Meeting #214, #423.03; Bulletin of the American Astronomical Society, Vol. 41, p.693

Astronomy and Astrophysics

Astronomy

Scientific paper

We analyze the 160 micron emission in the 44 sq deg Taurus Spitzer Legacy Survey to produce a mosaic of the cold dust distribution. The analysis shows there are two main emission components: the extended cold cloud at 14.2K, and knotty filaments of cold cores at 10K. The distribution of 160 micron cold cores is similar to the 2mass extinction map, but has higher 1' spatial resolution. We further compare the distribution of cold cores with YSOs that have strong disk emission at 70 micron. In this sample 90 percent of class I sources and 55 percent of class II sources are spatially coincident with a cold core. However, most cold cores in Taurus are starless. We discuss the implications for the relative ages of cores and young stars in the Taurus star-forming region.

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