An ingress and a complete transit of HD 80606 b

  1. M. G. Hidas1,2,3,*,
  2. Y. Tsapras1,4,*,
  3. D. Mislis5,
  4. A. N. Ramaprakash6,
  5. S. C. C. Barros7,
  6. R. A. Street1,2,
  7. J. H. M. M. Schmitt5,
  8. I. Steele8,
  9. D. Pollacco7,
  10. A. Ayiomamitis9,
  11. J. Antoniadis10,
  12. A. Nitsos10,
  13. J. H. Seiradakis10,
  14. S. Urakawa11

Article first published online: 27 MAY 2010

DOI: 10.1111/j.1365-2966.2010.16744.x

Issue

Monthly Notices of the Royal Astronomical Society

Monthly Notices of the Royal Astronomical Society

Volume 406, Issue 2, pages 1146–1151, August 2010

Additional Information

How to Cite

Hidas, M. G., Tsapras, Y., Mislis, D., Ramaprakash, A. N., Barros, S. C. C., Street, R. A., Schmitt, J. H. M. M., Steele, I., Pollacco, D., Ayiomamitis, A., Antoniadis, J., Nitsos, A., Seiradakis, J. H. and Urakawa, S. (2010), An ingress and a complete transit of HD 80606 b. Monthly Notices of the Royal Astronomical Society, 406: 1146–1151. doi: 10.1111/j.1365-2966.2010.16744.x

Author Information

  1. 1

    Las Cumbres Observatory Global Telescope, Goleta, CA 93117, USA

  2. 2

    Department of Physics, University of California, Santa Barbara, CA 93106, USA

  3. 3

    Sydney Institute for Astronomy, School of Physics, The University of Sydney, NSW 2006, Australia

  4. 4

    School of Mathematical Sciences, Queen Mary, University of London, Mile End Road, London E1 4NS

  5. 5

    Hamburger Sternwarte, Gojendergsweg 112, D-21029 Hamburg, Germany

  6. 6

    Inter-University Centre for Astronomy and Astrophysics, Ganeshkhind, Pune 411007, India

  7. 7

    Astrophysics Research Centre, School of Mathematics and Physics, Queen's University Belfast, Belfast BT7 1NN

  8. 8

    Astrophysics Research Institute, Liverpool John Moores University, Liverpool CH41 1LD

  9. 9

    Hellenic Astronomical Union, Athens, Greece

  10. 10

    Department of Physics, Section of Astrophysics, Astronomy and Mechanics, University of Thessaloniki, GR-54124 Thessaloniki, Greece

  11. 11

    Bisei Spaceguard Center, Japan Spaceguard Association, 1716-3 Ohrura, Bisei-cho, Ibara, Okayama 714-1411, Japan

* E-mail: mhidas@lcogt.net (MGH); ytsapras@lcogt.net (YT)

Publication History

  1. Issue published online: 19 JUL 2010
  2. Article first published online: 27 MAY 2010
  3. Accepted 2010 March 25. Received 2010 March 18; in original form 2010 February 4

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Keywords:

  • stars: individual: HD 80606;
  • planetary systems

ABSTRACT

We have used four telescopes at different longitudes to obtain near-continuous light-curve coverage of the star HD 80606 as it was transited by its ∼4-MJup planet. The observations were performed during the predicted transit windows around 2008 October 25 and 2009 February 14. Our data set is unique in that it simultaneously constrains the duration of the transit and the planet's period. Our Markov Chain Monte Carlo analysis of the light curves, combined with constraints from radial-velocity data, yields system parameters consistent with previously reported values. We find a planet-to-star radius ratio marginally smaller than previously reported, corresponding to a planet radius of Rp= 0.921 ± 0.036RJup.

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