White Dwarf and M-Stars in the Solar Neighborhood; Revealing Binarity

Details White Dwarf and M-Stars in the Solar Neighborhood; Revealing Binarity White Dwarf and M-Stars in the Solar Neighborhood; Revealing Binarity

Jul 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999hst..prop.8532n&link_type=abstract

HST Proposal ID #8532

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Hst Proposal Id #8532

Scientific paper

We propose to use BEA time during SMOV3a to conduct a high angular resolution survey with FGS1r to detect binarity among nearby M dwarfs and white dwarfs. By making use of a capability not available from any other observatory to explore heretofore restricted regions of binary star parameter space, we will address important and ongoing scientific investigations. An FGS survey of local dwarf stars will detect binaries with separations as small as 0.007" { 0.3 A.U. at 50 pc}. This will identify systems with periods as short as one year or less, ideal candidates for follow up studies to determine stellar masses. This is especially important for white dwarf stars, for which only three have dynamically determined masses.

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