Understanding sub-stellar populations using wide-field infrared surveys

Details Understanding sub-stellar populations using wide-field infrared surveys Understanding sub-stellar populations using wide-field infrared surveys

Jul 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epjwc..1606002p&link_type=abstract

Research, Science and Technology of Brown Dwarfs and Exoplanets: Proceedings of an International Conference held in Shangai on O

Computer Science

Scientific paper

This paper discusses benchmark brown dwarfs in various environments, and focuses on those in wide binary systems. We present a summary of the recently discovered T dwarf population from the UKIDSS Large Area Survey, and describe the constraints that it places on our knowledge of the sub-stellar initial mass function. We also present some exciting results from our ongoing search for wide companions to this sample, that has so far revealed an M4-T8.5 binary system at ˜12 parsecs and also the first ever Tdwarf-white dwarf binary system. The T dwarfs in these binaries have their properties constrained by the primary object and are thus benchmark objects that are already testing the predictions of theoretical model atmospheres.

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