Statistics
Scientific paper
Mar 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008sptz.prop50264f&link_type=abstract
Spitzer Proposal ID #50264
Statistics
Scientific paper
Recent single-dish CO observations have proven that massive molecular outflows are ubiquitous toward high-mass star forming regions. It is essential to understand them as a step toward understanding massive star formation. However, in contrast to outflows from low-mass stars, many important properties of outflows from high-mass stars remain unknown, partly due to the poor statistics of high angular resolution observations. The Spitzer/IRAC imaging provides a completely independent means of mapping outflows. As a continuation of our successful GO observations, here we propose for GTO observations to image outflows in 18 high-mass star forming regions with the Spitzer/IRAC. The sources are chosen from our ongoing SMA projects dedicated to a systematic study of molecular outflows and accretion in high-mass protostellar objects. Combining the proposed observations and our SMA data, we will be able to carry out a systematic study of outflows from high-mass stars based on high angular resolution observations at mid-IR and (sub)millimeter wavelengths. A detailed comparison between our observations and well studied low-mass outflows will show us whether outflows from high-mass stars are simply scaled-up versions of outflows from low-mass stars and put tighter constraints on theoretical models of massive star formtion.
Fazio Giovanni
Qiu Keping
Zhang Qizhou
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