Other
Scientific paper
Jun 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sptz.prop20063h&link_type=abstract
Spitzer Proposal ID #20063
Other
Scientific paper
We propose to use the 70 micron fine scale super-resolution mode with MIPS to determine the luminosities and surrounding dust cloud structure of a cluster of newly found far-ir sources in the Serpens star-forming region, as well as for the very extended dust cloud surrounding the Herbig Ae/Be star VV Ser. Observations taken as part of the c2d ("Cores To Planet-Forming Disks") Spitzer Legacy Program have revealed a cluster of young stellar objects that are strong sources of emission longward of 10 um. We plan to model the dust cloud structure and luminosity of these objects in order to understand their evolutionary status and their relationship to the surrounding dust and gas. Because of the high density of objects of comparable brightness in this cluster, we require the highest possible angular resolution in the far-ir to separate their individual emission. The other part of this project involves similar mapping of the dust around a single young star, VV Ser, that has been observed in the c2d data to have a very extended, diffuse dust cloud around it. The cloud is well resolved in the 5 - 24um spectral region in the c2d data, but is poorly sampled and with low S/N at 70um and especially at 160um. For this object we propose to obtain both fine scale 70um imaging and 160um imaging.
Evans Neal II
Harvey Paul
Myers Phillip
Padgett Deborah
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