IRS observations of debris disks: Studying the global properties of debris disks with a complete Spitzer sample

Details IRS observations of debris disks: Studying the global properties of debris disks with a complete Spitzer sample IRS observations of debris disks: Studying the global properties of debris disks with a complete Spitzer sample

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008sptz.prop50150r&link_type=abstract

Spitzer Proposal ID #50150

Physics

Scientific paper

Observations of debris disks allow us to characterize planetary system formation across a wide range of spectral types. MIPS has been used extensively to detect debris disks. However, models of these debris disks are extremely degenerate. We propose here to make IRS long-low observations of 62 of these MIPS-measured debris disks systems. The data will be used to constrain the physical properties of those debris disks. We will combine these new data with existing data from our team and from the archive to produce a catalog of ~150 debris disks and their properties. We will use this catalog to study the global properties of debris disks. Only a large catalog such as this one will ultimately be useful for understanding the process of planetary system formation across a range of stellar types. The IRS data are essential for such studies because they describe the spectral energy distribution that originates from the inner zones of debris disks and rings. For many of these systems, the observational signature of the disks become detectable at 30--40~microns. IRS long-low spectroscopy in Spitzer Cycle 5 is the last chance for a generation to characterize this emission and the planetary system properties that correspond.

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