Computer Science
Scientific paper
Jun 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sptz.prop20635k&link_type=abstract
Spitzer Proposal ID #20635
Computer Science
Scientific paper
The unique capabilities of the Spitzer Instrument MIPS are used to investigate the mid to far infrared properties of candidates for the earliest stages of massive star formation: pre-protocluster cores and protoclusters. These candidates are selected from millimeter continuum surveys where the targets are conspicuous compact cloud cores. The youth of the selected cores is underlined by being non detected at NIR and MIR wavelengths so far. The proposed MIPS observations (24 & 70 micron photometry and SED) will reveal the SED of these pre-protocluster cores or protoclusters. The shape of the SED and the luminosity allow to draw conclusions about the central object(s) embedded in the cores and the temperature and density structure of the cores. 3D radiative transfer models are available to help with the analysis. The analysis of the Spitzer data will enable us to identify the protoclusters and pre-protocluster cores in our sample and to derive the properties of these earliest stages of massive star formation.
Forbrich Jan
Henning Thomas
Klein Randolf
Linz Hendrik
Looney Leslie
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