Spectroscopic Follow-up of the CFBDS T Dwarf Candidates

Details Spectroscopic Follow-up of the CFBDS T Dwarf Candidates Spectroscopic Follow-up of the CFBDS T Dwarf Candidates

Feb 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1094..485a&link_type=abstract

COOL STARS, STELLAR SYSTEMS AND THE SUN: Proceedings of the 15th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun.

Physics

2

Extrasolar Planetary Systems, Low Luminosity Stars, Subdwarfs, And Brown Dwarfs, Stellar Atmospheres, Radiative Transfer, Opacity And Line Formation

Scientific paper

The Canada-France Brown Dwarfs Survey (CFBDS) will be covering approximately 900 sq. deg. in the i and z bands using MegaCam at CFHT to search for cool brown dwarfs and determine L and T dwarfs density functions. Here we present spectra obtained at Gemini of candidates drawn from the first half of the survey, mostly T-type brown dwarfs. About 20 targets are new discoveries and several are of special interest, being either ultra cool, very old or sub metallic. We also present follow-up near-infrared photometry and proper motion measurements for about a dozen dwarfs.

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