Proper Motion Search for T-Dwarfs

Details Proper Motion Search for T-Dwarfs Proper Motion Search for T-Dwarfs

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008sptz.prop50604f&link_type=abstract

Spitzer Proposal ID #50604

Computer Science

Scientific paper

We propose to perform a search for foreground T-dwarf candidates in the SAGE survey field. Candidate objects will be identified by using the k-NN method applied to the mosaic photometry version of the SAGE database. We will image the fields again with the IRAC 4.5/8.0 micron bands to obtain a 'second epoch' to determine if the candidate objects have sufficient proper motion for them to be true T-dwarfs, and to search the fields for additional companion objects with common proper motions. The newly identified objects will expand the sample of known T-dwarfs and explore the full range of characteristics of this brown dwarf class.

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