Physics
Scientific paper
May 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006sptz.prop30382m&link_type=abstract
Spitzer Proposal ID #30382
Physics
Scientific paper
We propose to use the Spitzer telescope to study the star formation history and the turbulence characteristics of two high-latitude molecular clouds, MBM 12, and G236+39. MBM 12 is a high-latitude molecular cloud at the translucent/dark cloud boundary that is forming low-mass stars. The cloud G236+39 appears very similar to MBM 12 on the IRAS 100 micron images, but is somewhat fainter, has lower average gas column density and a lower visual extinction than MBM 12. G236+39 is more typical of high-latitude clouds in that it is translucent and is not known to be forming stars. By using MIPS and IRAC images, we propose to identify all newly-formed stars in the molecular portions of the clouds, determine the star formation efficiency of both clouds, and better constrain the parameters of what types of translucent clouds can form stars and what types will simply dissipate. In addition to determining the star-forming capabilities of both clouds, we will construct spatial power law spectra of surface brightness to study the turbulence characteristics of the clouds.
Finkbeiner Doug
Hearty Thomas
Ingalls James
Magnani Loris
Reach William
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