Binary Star Debris Disk Survey

Details Binary Star Debris Disk Survey Binary Star Debris Disk Survey

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004sptz.prop...54r&link_type=abstract

Spitzer Proposal ID #54

Physics

Scientific paper

The purpose of this project is to quantify the frequency with which debris disks occur in binary star systems, and to obtain an initial characterization of those disks which are discovered. We will obtain 24 and 70 micron MIPS photometry of about 40 nearby binary star systems in order to address these goals. While there are mainsequence binary systems with IR excesses, little is know about whether those excesses are attributable to disks, or the nature of the disks which may be involved. The question of whether and how binary star systems form and retain disks is intimately linked with the question of the occurrence of planets in binary star systems because of the genetic link between disks and planets. Our target list samples binary separations in the range 1-500 AU, with a preponderance of targets in the dynamically interesting range 10-100 AU. The signal to noise of the measurements will be about 20 relative to the photospheric emission of the primary star to give good sensitivity to disks and to maintain a photometric sensitivity which is consistent with that of the Volume Limited Sample project.

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