A Fresh Look at Distributed vs. Clustered Star Formation: IRAC and MIPS Imaging of the Cep OB3 and Mon R2 Molecular Clouds

Details A Fresh Look at Distributed vs. Clustered Star Formation: IRAC and MIPS Imaging of the Cep OB3 and Mon R2 Molecular Clouds A Fresh Look at Distributed vs. Clustered Star Formation: IRAC and MIPS Imaging of the Cep OB3 and Mon R2 Molecular Clouds

Jun 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sptz.prop20403p&link_type=abstract

Spitzer Proposal ID #20403

Computer Science

Scientific paper

We propose an IRAC+MIPS survey toward two giant molecular clouds containing massive star forming regions, Cep OB3 and Mon R2. We have already obtained GTO observations of the young clusters in these clouds: in this program we will map the remainder of each molecular cloud, with the goal of locating the isolated protostars and stars with disks via their mid-IR excesses. The selected giant molecular clouds house multiple clusters of relatively high mass star formation, and will complement the C2D legacy program maps of nearby molecular clouds containing predominately low mass star formation. These data will enable a fresh look at the importance of distributed star formation and will provide a unique opportunity to test whether the vast majority of star formation actually occurs in clusters, the current paradigm, or whether distributed star formation plays a major role. Spitzer provides the unique capabilities of high sensitivity at wavelengths where extinction is low, plus the ability to easily identify IR excess emission around stars and brown dwarfs. Spitzer is the only such facility to enable wide-field studies of the distributed population of IR excess objects now, and for well into the future.

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