Multiplicity among brown dwarfs in the Pleiades cluster

Details Multiplicity among brown dwarfs in the Pleiades cluster Multiplicity among brown dwarfs in the Pleiades cluster

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003hst..prop.9831b&link_type=abstract

HST Proposal ID #9831

Computer Science

Hst Proposal Id #9831 Cool Stars

Scientific paper

We have compiled a sample of 32 confirmed brown dwarfs in the Pleiades cluster. We propose to observe this sample with HST/ACS in SNAPSHOT mode in order to search for very low mass multiple systems. Our goals are: 1} to determine the occurrence and frequency of binary systems among substellar objects, which hold important clues to the formation and evolution mechanism{s} of ultracool and brown dwarfs, 2} to get an estimate of the Initial Mass Function {IMF} at very low masses, which is still unknown and very much needed to be corrected for binarity, 3} to compare the distribution of multiple systems in young open clusters and in the field.

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