Fundamental Properties of Low Mass Stars with Long Baseline Optical/Infrared Interferometry

Details Fundamental Properties of Low Mass Stars with Long Baseline Optical/Infrared Interferometry Fundamental Properties of Low Mass Stars with Long Baseline Optical/Infrared Interferometry

May 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21642306b&link_type=abstract

American Astronomical Society, AAS Meeting #216, #423.06

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Scientific paper

We present preliminary measurements of fundamental astrophysical properties of nearby, low-mass, K- and M-dwarfs. The principal goal of our study is the determination of linear radii and effective temperatures for these stars using the CHARA Array for the interferometric measurements of the angular diameters. We further present robust bolometric flux measurements that incorporate available photometry from the literature. We investigate the discrepancy seen between theoretical and observed stellar radii, which seem to be related to stellar activity, metallicity, and possibly convection in these late-type stars. Understanding the source of this disagreement is likely to impact other areas of study for low-mass stars, such as the detection and characterization of planets orbiting these objects in the habitable zones.

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