Debris-Disk Candidates in the Open Cluster NGC 2362: An Examination of 24 Micron Stellar Excesses

Details Debris-Disk Candidates in the Open Cluster NGC 2362: An Examination of 24 Micron Stellar Excesses Debris-Disk Candidates in the Open Cluster NGC 2362: An Examination of 24 Micron Stellar Excesses

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...209.1301s&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #13.01; Bulletin of the American Astronomical Society, V

Astronomy and Astrophysics

Astronomy

Scientific paper

We present 24 micron photometry obtained with the Multiband Imaging Photometer for Spitzer on the Spitzer Space Telescope of the young open cluster NGC 2362. Preliminary results show eight A and B stars have moderate to large mid-IR excesses in the range of (K-[24])0=0.85-2.24. These excesses may indicate the presence of unresolved dusty circumstellar disks, produced by the collision of large planetesimals that may be perturbed by large Jovian-like bodies. Long-term goals include investigation of the occurrence of debris disks around A stars with age and stellar metallicity.
This work has been supported by the National Science Foundation under grant AST-04-52975 (the REU program at Indiana University).

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