GJ 3236: A New Bright, Very Low Mass Eclipsing Binary System Discovered by the MEARTH Observatory

@article{Irwin2009GJ3A,
  title={GJ 3236: A New Bright, Very Low Mass Eclipsing Binary System Discovered by the MEARTH Observatory},
  author={J. Irwin and D. Charbonneau and Z. K. Berta and S. Quinn and D. Latham and G. Torres and C. Blake and C. Burke and G. Esquerdo and G. Fűr{\'e}sz and D. Mink and P. Nutzman and A. Szentgyorgyi and M. Calkins and E. Falco and J. Bloom and D. Starr},
  journal={The Astrophysical Journal},
  year={2009},
  volume={701},
  pages={1436-1449}
}
We report the detection of eclipses in GJ 3236, a bright (I = 11.6), very low mass binary system with an orbital period of 0.77 days. Analysis of light and radial velocity curves of the system yielded component masses of 0.38 {+-} 0.02 M{sub sun} and 0.28 {+-} 0.02 M{sub sun}. The central values for the stellar radii are larger than the theoretical models predict for these masses, in agreement with the results for existing eclipsing binaries, although the present 5% observational uncertainties… Expand
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