M-dwarf Astrometry With Adaptive Optics

Details M-dwarf Astrometry With Adaptive Optics M-dwarf Astrometry With Adaptive Optics

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21422903l&link_type=abstract

American Astronomical Society, AAS Meeting #214, #229.03; Bulletin of the American Astronomical Society, Vol. 41, p.733

Physics

Optics

Scientific paper

There are compelling reasons to search for planets around late M-dwarfs: current planet surveys have not been able to target these optically-faint stars, and the reduced primary stellar mass improves planet detection sensitivity for new techniques which can target these stars. We here demonstrate that one can employ aging 2 m telescopes for dedicated astrometric programs in the spirit of the RESTAR program to revitalize the US 2 m-class telescope population. Using a new low-cost adaptive optics system designed for 2 m-class telescopes we would be able to find planetary systems around late M-dwarfs with detection sensitivities approaching a few Earth masses.

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