AAS 204th Meeting, June 2004
Session 41 Spitzer Space Telescope
Topical Related Poster, Tuesday, June 1, 2004, 10:00am-7:00pm, Ballroom

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[41.08] Spitzer Space Telescope and Sub-mm Survey for Disks Around A-type Stars and F-type Binaries

J. Stansberry, K. Su, K. Stapelfeldt (JPL), G. Rieke (Steward Observatory), M. Silverstone, J.S. Kim, M. Blaylock, B. White, D. Hines (SSI), J. Muzerolle, M. Meyer, D. Trilling (Steward Observatory), MIPS Instrument Support (SSC) Team, MIPS Instrument Team

We will present early results from our Spitzer 24 and 70 micron photometric surveys for excess emission from dust in A-type star, and F-type binary, systems. The full sample of 111 A stars was selected to span the age range from 1 - 1000 Ma. The full sample of 71 binary stars was selected to span physical separations of 0 - 70 AU, and to have mass ratios from approximately 1-2. Roughly 1/4 of each sample will have been observed and the data processed, providing an initial disk-detection rate for the studies. We will give detailed results and initial models for a few of the brighter disks. We will also summarize our 870 micron survey of some of the targets in these samples, which has been conducted at the 10m Heinrich-Herz Submillimeter Telescope on Mt. Graham, Arizona.

Support for this work was provided by NASA through Contract Number 960785 issued by JPL/Caltech.

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