An ingress and a complete transit of HD80606 b

Don Pollacco

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


We have used four telescopes at different longitudes to obtain near-continuous light-curve coverage of the star HD80606 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.
Original languageEnglish
Pages (from-to)1146-1151
Number of pages6
JournalMonthly Notices of the Royal Astronomical Society
Issue number2
Publication statusPublished - Aug 2010

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics


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