Feb 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002noao.prop...71r&link_type=abstract
NOAO Proposal ID #2002A-0071
Other
Scientific paper
We are engaged in a long-term project which combines 2MASS and POSS II data with other catalogues to complete the census of M and L dwarfs within 20 parsecs of the Sun. In this proposal we aim to concentrate on candidate ultracool dwarfs, selected based on their location in the (J, (J-K)) plane. We have identified an all-sky sample of 884 candidates, providing the first large-scale, systematic survey of late-M/early-L dwarfs. We propose to use intermediate resolution optical spectroscopy to determine accurate distances and luminosities, as well as characterising the level of chromospheric activity. Our goal is a definitive determination of the stellar luminosity function at faint magnitudes, and hence of the stellar mass function in the vicinity of the hydrogen-burning limit.
Cruz Kelle L.
Liebert James
Reid Iain Neill
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