Debris Disks around the Nearest Young M Dwarfs

Details Debris Disks around the Nearest Young M Dwarfs Debris Disks around the Nearest Young M Dwarfs

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008sptz.prop50356l&link_type=abstract

Spitzer Proposal ID #50356

Physics

Scientific paper

We propose to search for debris disks around carefully selected sample of 95 young (<~500 Myr), nearby (d<25 pc) M dwarfs using Spitzer/MIPS. M dwarfs are the most common type of stars and thus could represent the most common hosts of planetary systems. Little is known about debris disks around M dwarfs, as very few examples are known. Our proposed Spizer observations of low-mass stars will have sufficient sensitivity for meaningful comparison with higher mass stars. This well-constructed sample consists of the youngest members of the immediate solar neighborhood, ideal to identify debris disks around low-mass stars, to robustly determine their frequency, and to study their physical properties during a key epoch of planet formation. Also, newly discovered disks will be among the closest ones to Earth and highest fractional luminosity, making them prime targets for multi-wavelength and high angular resolution follow-up by future ground and space-based capabilities.

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