Physics
Scientific paper
Sep 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004sptz.prop.3656m&link_type=abstract
Spitzer Proposal ID #3656
Physics
Scientific paper
The standard theories of star formation address the formation of a single star in isolation. Dark cloud cores are often cited as examples of isolated, individual star formation. Because of the density of these cores, observations to date have not had the sensitivity to really examine the core structure and search for the youngest and lowest mass sub-stellar objects. We propose to observe ten dark cores, five without associated stars and five with an associated star in all four IRAC bands and MIPS 24 micron. In addition, we will combine these observations with deep JHK ground-based imaging. We will observe the youngest sub-stellar objects down to 10 Jupiter masses, map the column density structure via extinction measurements, and image faint extended emission, such as outflows that are indicative of cloud-star interaction. Our overall goal is to test standard star formation theory by identifying the entire stellar and sub-stellar content of the cores and the relation of these objects to the gas and dust distribution.
Allen Lori
Chapman Nicholas
Harvey Paul
Lai Shih-Ping
Looney Leslie
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