A giant planet orbiting the ‘extreme horizontal branch’ star V 391 Pegasi

  title={A giant planet orbiting the ‘extreme horizontal branch’ star V 391 Pegasi},
  author={R. Silvotti and S. Schuh and R. Janulis and J. Solheim and S. Bernabei and R. {\O}stensen and T. Oswalt and I. Bruni and R. Gualandi and A. Bonanno and G. Vauclair and M. Reed and C.-W. Chen and E. Leibowitz and M. Papar{\'o} and A. Baran and S. Charpinet and N. Dolez and S. Kawaler and D. Kurtz and P. Moskalik and R. Riddle and S. Zola},
After the initial discoveries fifteen years ago, over 200 extrasolar planets have now been detected. Most of them orbit main-sequence stars similar to our Sun, although a few planets orbiting red giant stars have been recently found. When the hydrogen in their cores runs out, main-sequence stars undergo an expansion into red-giant stars. This expansion can modify the orbits of planets and can easily reach and engulf the inner planets. The same will happen to the planets of our Solar System in… Expand
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  • E. Villaver
  • Physics
  • Proceedings of the International Astronomical Union
  • 2011