MIPS and IRAC Imaging of High Mass Protostellar Cores

Details MIPS and IRAC Imaging of High Mass Protostellar Cores MIPS and IRAC Imaging of High Mass Protostellar Cores

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008sptz.prop50026f&link_type=abstract

Spitzer Proposal ID #50026

Physics

Scientific paper

We propose an infrared study of a thorough set of 140 embedded high mass protostellar cores (HMPOs) that span a range of early types. Our sample is selected from well-studied objects in our previous cm/mm/IR wavelength programs. Most of our embedded core sources are undetected at [K], but are seen by IRAC Band 4 and MSX; all are associated with IRAS luminous sources, and most have some associated molecular outflow. We have limited this sample to those cores probably closer than 5kpc. We propose Spitzer MIPS70 pointed super resolution observations of the 55 sources in our sample that have had no previous MIPS 70um observations; we propose MIPS24 on 29 of these that are unlikely to saturate; and we propose IRAC imaging on 30 with no previous IRAC observations and whose IRAS colors are indicative of stellar neighbors that we want to spatially resolve. We will use these data, to study systematically the character of these high mass protostellar cores. Our team has recently published two new papers on the SEDs of individual objects in our full sample that had been previously observed. Our program includes extensive SED modelling, and the team includes experts in modeling.

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