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[41.09] A Spitzer Space Telescope Search for Planetary Debris Systems Around Nearby Pre-Main-Sequence Stars

F.J. Low, P.S. Smith (Steward Observatory), D.C. Hines (Space Science Institute)

We present early results of a search for planetary debris systems around pre-main-sequence stars using the Multiband Imaging Photometer for Spitzer (MIPS) aboard the Spitzer Space Telescope. We have focused our program on cooler G-M stars having age indicators in the 8-30 Myr range with the intent of identifying systems containing warm dust indicative of debris from terrestrial planet formation (e.g., exo-solar zodiacal dust). We report 24 and 70 micron photometry of the first few dozen stars in our 108-star program. Among these early observations are several members of the TW Hydrae Association, and we highlight the MIPS results for these stars.

This research is supported by NASA through JPL grant 1256424 administered by the Spitzer Science Center.

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Bulletin of the American Astronomical Society, 36 #2
© YEAR. The American Astronomical Soceity.