Star Formation in the Outer Galaxy

Details Star Formation in the Outer Galaxy Star Formation in the Outer Galaxy

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008sptz.prop50758d&link_type=abstract

Spitzer Proposal ID #50758

Physics

Scientific paper

We propose to obtain IRAC and MIPS scans of a well-defined region toward the galactic anti-center. We have 1.1 mm images of the region from the Bolocam Galactic Plane Survey (BGPS), and will use the combined infrared and millimeter wavelength data sets to study the formation of stars in this unique environment. The gas in the outer galaxy has different physical properties, such as metallicity and interstellar pressure, than the more typical star-forming regions in the galactic center thus enabling us to compare the star formation process across a wide range of environments. We will use the combined MIPS, IRAC, and BGPS images to characterize the morphology of the young protostellar cores at various wavelengths. We will measure physical properties such as size and mass, and create continuous spectral energy distributions of these cores from 3.6 microns to 1.1 mm in order to determine their stage of star formation. The mid- and far-infrared images from Spitzer are a crucial piece of this study to elucidate the nature of star formation in the outer galaxy.

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