Other
Scientific paper
Jun 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sptz.prop20548h&link_type=abstract
Spitzer Proposal ID #20548
Other
Scientific paper
We propose to obtain new 70 and 160 micron observations for a carefully selected sub-sample of debris systems around solar-mass stars from the Formation and Evolution of Planetary Systems (FEPS) Spitzer Legacy Science Program. The new data, complemented by planned millimeter observations from the ground will constrain: 1) the outer radii of disks detected as part of FEPS; and 2) the amount of cold dust in these regions. Our proposed 70 and 160 micron observations are crucial in order to compare dust from 30 - 100 AU in newly identified debris disk systems with evolutionary models of our own Kuiper Belt. Our ultimate goal, then, is to use these results to assess whether solar systems like our own are common or rare among sun-like stars in the disk of the Milky Way. Our enhanced spectral energy distributions, and the subsequent well constrained accompanying debris disk models, will further the FEPS science legacy by serving as templates for, and be complementary with, existing Spitzer data sets that have been acquired by other GTO and GO surveys of sun-like stars.
Backman Dana
Carpenter John
Hillenbrand Lynne
Hines Dean
Kim Serena
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