Computer Science
Scientific paper
Feb 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011noao.prop..318w&link_type=abstract
NOAO Proposal ID #2011A-0318
Computer Science
Scientific paper
We propose to examine ~400 nearby southern M dwarfs for companions at wide separations (1 arcsec - 3 arcmin) using the 0.9m at CTIO as part of a larger systematic study of ~1200 nearby M dwarfs. The results, when combined with a complementary northern search at Lowell Observatory and a SuperCOSMOS blinking search for companions to 10 arcmin, will allow statistical analyses of the nearby M dwarf population, refinement of the solar neighborhood membership roster, and improvement of the mass function for these objects at the end of the main sequence. This robust sample includes a carefully selected list of red dwarfs that have trigonometric parallaxes placing them nearer than 25 pc, which eliminates biases inherent to photometrically-selected samples. This will be the largest, most comprehensive, study ever done of the multiplicity of the most common stars in the Galaxy. The proposed observations will comprise a significant portion of the PI's PhD thesis.
Henry Todd J.
Tanner Angelle
Winters Jennifer G.
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