Speedy Gonzales Mass Determinations: Fast Orbiting Red Dwarf Systems

Details Speedy Gonzales Mass Determinations: Fast Orbiting Red Dwarf Systems Speedy Gonzales Mass Determinations: Fast Orbiting Red Dwarf Systems

Jul 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000hst..prop.8729h&link_type=abstract

HST Proposal ID #8729

Physics

Hst Proposal Id #8729 Cool Stars

Scientific paper

We will observe five fast-orbiting red dwarf systems to determine masses for objects near the end of the stellar main sequence. All five systems have periods of two years or less, hence the moniker ``Speedy Gonzales'' systems. In addition, all have parallaxes placing them within 10 parsecs, so high quality masses with errors less than 5% can be derived. Our goals for Cycle 9 are to get first points on the orbits for three systems {Gl 54, Gl 433, Gl 896} and to obtain final points for two systems {Gl 791.2 and GJ 2005}. For the first three systems, we will use the data from Cycle 9 to evaluate the best observing strategies for future Cycles.

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