Photometric Variability of Recently Discovered Brown Dwarfs

Details Photometric Variability of Recently Discovered Brown Dwarfs Photometric Variability of Recently Discovered Brown Dwarfs

Aug 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000noao.prop..261g&link_type=abstract

NOAO Proposal ID #2000B-0261

Physics

Scientific paper

We propose to use YALO's monitoring capabilities to monitor late-L and early-T brown dwarfs in two passbands to search for variability. Current observational and theoretical data suggest that brown dwarfs in this temperature range (2000 > T_eff > 1100 K) form dust grains in their atmospheres which are likely to condense into clouds. Our I and K data will be able to detect variability due to weather. In addition, our data will be suitable to measure trigonometric parallaxes leading to a direct determination of the distances and luminosities of this new class of objects.

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