Search for star-formation in Lynds opacity class 6 clouds

Details Search for star-formation in Lynds opacity class 6 clouds Search for star-formation in Lynds opacity class 6 clouds

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007sptz.prop40056f&link_type=abstract

Spitzer Proposal ID #40056

Physics

Scientific paper

This proposal seeks to survey 3 Lynds dark clouds using IRAC and MIPS. The primary aim of this study is to search for signs of star-formation, particularly for the lowest-mass proto-stars and brown dwarfs. The study is motivated by recent results from Spitzer that suggest that the so-called 'starless' cores may not necessarily be starless. In this proposal, we are taking advantage of the opportunity provided by Spitzer to extend the sample of starless cores to include those that have received little or no attention, usually due to observer biases towards cores with bright star-formation markers (eg. associated IRAS sources). Results from the proposed observations have direct implications for how the low-mass end of the initial mass function is populated in the Galaxy as well as on the lifetimes and evolution of dark cores. In the light of the recent Spitzer results, and the exciting science they will make possible, these clouds now merit a much closer look.

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