First Resolved Images of the Eclipsing and Interacting Binary β Lyrae

  title={First Resolved Images of the Eclipsing and Interacting Binary β Lyrae},
  author={Ming Zhao and D. Gies and J. D. Monnier and N. Thureau and E. Pedretti and F. Baron and A. M'erand and T. T. Brummelaar and H. McAlister and S. Ridgway and N. Turner and J. Sturmann and L. Sturmann and C. Farrington and P. J. G. .. U. O. Michigan and .. T. C. Array and G. S. University and .. U. O. S. Andrews and Scotland. and Uk and .University of Cambridge and .National Optical Astronomy Observatory and Noao},
  journal={The Astrophysical Journal},
  • Ming Zhao, D. Gies, +20 authors Noao
  • Published 2008
  • Physics
  • The Astrophysical Journal
  • We present the first resolved images of the eclipsing binary β Lyrae, obtained with the CHARA Array interferometer and the MIRC combiner in the H band. The images clearly show the mass donor and the thick disk surrounding the mass gainer at all six epochs of observation. The donor is brighter and generally appears elongated in the images, the first direct detection of photospheric tidal distortion due to Roche lobe filling. We also confirm expectations that the disk component is more elongated… CONTINUE READING
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