The Nature of Young Brown Dwarf Candidates

Details The Nature of Young Brown Dwarf Candidates The Nature of Young Brown Dwarf Candidates

Feb 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999noao.prop...20m&link_type=abstract

NOAO Proposal ID #1999A-0020

Computer Science

Scientific paper

We want to study the nature of brown dwarf (BD) candidates that we have found in a wide CCD survey of the open clusters IC 2391 and IC2602 and the OB association Upper Sco. Our BD candidates are interesting because they are expected to be much younger and thus brighter than in the Pleiades, where most cluster BDs have been found so far. We will thus constrain the substellar mass function in different environments. Furthermore, we will be able to compare the new brown dwarfs with those found in the Pleiades to study evolutionary effects. The near-IR observations will help to establish the luminosity and thus place the objects in the HR diagram and compare with evolutionary tracks and isochrones. The spectroscopic observations will be used to determine membership. This is the most important step towards asserting the BD status of the candidates.

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