Outflows, Cavities, and Evolution

Details Outflows, Cavities, and Evolution Outflows, Cavities, and Evolution

May 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006sptz.prop30516l&link_type=abstract

Spitzer Proposal ID #30516

Other

Scientific paper

Class 0 low-mass protostars are heavily embedded, very young sources; however, the powerful molecular outflows associated with low-mass star formation carve out a cavity in the circumstellar envelope. In the cavity, light from the otherwise opaque newborn star is scattered off dust into the field of view; this scattered light is detectable in the IRAC wavelengths but usually only with very deep imaging. We propose to deeply image 11 known Class 0 protostars with IRAC to reveal the scattered light from the outflow cavity. We will compare these observations, along with archive data, to radiative transfer models to constrain the physical parameters of the source and cavity, as well as determine why some cavities are detected in shallow surveys while others require very deep imaging. This proposal will peer into the depths of star formation and provide an important dataset for the study of low-mass star formation in the infrared.

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