A systematic study of ice and dust properties in large clouds and their relation to star formation activity

Details A systematic study of ice and dust properties in large clouds and their relation to star formation activity A systematic study of ice and dust properties in large clouds and their relation to star formation activity

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007sptz.prop40580k&link_type=abstract

Spitzer Proposal ID #40580

Physics

Scientific paper

We propose to obtain 5-38 micron IRS spectra toward 88 background stars toward three molecular clouds to trace the evolution of ice and dust properties from edges of the clouds to the dense cores. Previous studies have shown there are differences in ice and dust content between clouds and within the same cloud. To determine how star formation activity affects these variations, we plan to study systematically three clouds with differing level of star formation activity: Serpens Cloud Core (high activity), Perseus Cloud (intermediate activity) and Lupus (low activity). The sources were selected to probe different ranges of visual extinction as well as different locations within the clouds.

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