HD 17156 B

HD 17156 B

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Description

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. HD 17156 b is an extrasolar planet approximately 255 light-years away in the constellation of Cassiopeia. The planet was discovered orbiting the yellow subgiant star HD 17156 in April 2007. The planet is classified as a relatively cool hot Jupiter planet slightly smaller than Jupiter but slightly larger than Saturn in a so-called "torched orbit." This highly-eccentric three-week orbit takes it approximately 0.0523 AU of the star at periastron before swinging out to approximately 0.2665 AU at apastron. Its eccentricity is about the same as 16 Cygni Bb, a so-called "eccentric Jupiter." Until 2009, HD 17156 b was the transiting planet with the longest orbital period.show more

Product details

  • Paperback | 108 pages
  • 152 x 229 x 7mm | 168g
  • Fer Publishing
  • United States
  • English
  • 6136692252
  • 9786136692258