A Survey for Isolated Clusters in Bok Globules

Details A Survey for Isolated Clusters in Bok Globules A Survey for Isolated Clusters in Bok Globules

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008sptz.prop50452f&link_type=abstract

Spitzer Proposal ID #50452

Computer Science

Scientific paper

We propose Spitzer IRAC and MIPS observations of a sample of 11 Bok globules in order to detect deeply embedded infrared sources and determine whether they are sites of active star formation. Small groups of stars forming in these Bok globules are unique because they are forming in a relatively isolated environment. Many of the sources in the sample of Bok globules chosen are forming stars, as evidenced by radio or infrared IRAS sources. The proposed sample includes Bok globules surveyed for 3.6 cm continuum emission with the VLA (Yun et al. 1996; Moreira et al. 1999). However, a complete census of the stellar content of these regions is needed in order to probe the intial conditions necessary for low mass star formation. The Spitzer observations will, in addition to ground-based near-infrared imaging from 2MASS (or deeper in the case of more distant regions), allow us to construct spectral energy distributions from 1-70 micron for all sources detected in or nearby the Bok globules, determining whether they harbor circumstellar disks indicative of Class I and II sources.

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