Other
Scientific paper
Feb 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003noao.prop..325b&link_type=abstract
NOAO Proposal ID #2003A-0325
Other
Scientific paper
We propose to search for new irradiated jets and protostellar outflows, shocks, protoplanetary disks seen in silhouette (dark proplyds), and photo-ablating disks (bright proplyds), in the Carina Nebula with narrow-band filters and the MOSAIC camera on the CTIO 4 meter. Pilot observations obtained last December have demonstrated that this region contains a rich harvest of disks and outflows. A complete MOSAIC survey is needed to determine their population. The Carina Nebula is the most massive star forming region with the largest population of early O stars in which circumstellar disks, irradiated jets, and protostellar jets (Herbig-Haro objects) have so far been found. This is because Carina is much closer to us than other clusters with comparable populations of massive stars. These observations will extend our understanding of low-mass star formation, outflow production and impacts on the surrounding medium, and protoplanetary disk survival - to regions where the most massive stars are born. A detailed investigation of the Carina Nebula will provide a fundamental stepping stone to understanding how these processes operate in luminous H II region complexes in our Galaxy, the LMC and SMC, and in other galaxies.
Bally John
Smith Nathan
Walawender Josh
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