Computer Science
Scientific paper
May 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006sptz.prop30848s&link_type=abstract
Spitzer Proposal ID #30848
Computer Science
Scientific paper
The Carina Nebula provides a unique laboratory in which to study an environment where very massive stars are influencing the birth and early evolution of low-mass stars and protoplanetary disks in their immediate environment. What makes it unique is the combination of its rich stellar content and its proximity -- it is close enough to spatially resolve protoplanetary disks and Herbig-Haro jets, and to detect young pre-main sequence stars down to the hydrogen burning limit, while containing an extreme stellar population comparable to some of the most massive clusters in our Galaxy or 30 Doradus. We propose to map several square degrees of the Carina Nebula at 24 and 70 microns with MIPS. Combined with a large existing dataset that includes previous Spitzer/IRAC and HST imaging plus extensive ground-based data, far-IR MIPS imaging will reveal the complete distribution of embedded star forming cores in the region, and will allow us to measure the bolometric luminosities of embedded clusters and the driving sources of HH jets. MIPS 24 micron photometry adds a particularly critical lever arm to existing 1-8 micron spectral energy distributions, which will break the degeneracy in model fits and derived properties (masses, luminosities, disk masses, accretion rates, etc.) of young stars throughout the region.
Carey Sean
Churchwell Edward
Smith Nathan
Stassun Keivan
Whitney Barbara
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