Mass-radius relation of low and very low-mass stars revisited with the VLTI

  title={Mass-radius relation of low and very low-mass stars revisited with the VLTI},
  author={B.-O. Demory and D. S'egransan and T. Forveille and D. Queloz and J. Beuzit and X. Delfosse and E. D. Folco and P. Kervella and J. Bouquin and C. Perrier},
  journal={Astronomy and Astrophysics},
  • B.-O. Demory, D. S'egransan, +7 authors C. Perrier
  • Published 2009
  • Physics
  • Astronomy and Astrophysics
  • We measured the radii of 7 low and very low-mass stars using long baseline interferometry with the VLTI interferometer and its VINCI and AMBER near-infrared recombiners. We use these new data, together with literature measurements, to examine the luminosityradius and mass-radius relations for K and M dwarfs. The precision of the new interferometric radii now competes with what can be obtained for double-lined eclipsing binaries. Interferometry provides access to much less active stars, as well… CONTINUE READING
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