A Search for Warm Dust in the Habitable Zones Around Solar-Type Stars

Details A Search for Warm Dust in the Habitable Zones Around Solar-Type Stars A Search for Warm Dust in the Habitable Zones Around Solar-Type Stars

Jun 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sptz.prop20463c&link_type=abstract

Spitzer Proposal ID #20463

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Scientific paper

Spitzer is uniquely positioned to characterize the evolution, amount, structure and composition of the warm dust located within the habitable zones around many types of stars. We propose to observe 152 FGKM stars within 25 pc of the Sun to address the frequency, amount, and properties of warm dust located within the habitable zones around solar-like stars. IRS 7 - 35 um observations will be used to detect the presence of warm dust beyond the detection capabilities of MIPS at 24 um,and provide detailed information about the mass, size, distribution, and mineralogy of the warm dust located within a few AU of the stars. The proposed survey is complementary to the other current and proposed Spitzer surveys. In addition, the proposed observations lay the foundations for future studies with the Keck Interferometer and for understanding the influence of the exozodiacal emission in potential TPF targets.

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