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HD 5388 b
HD 5388 b (also known as HIP 4311 b) was thought to be an extrasolar planet orbiting the F-type main sequence star HD 5388, located approximately 175 light years away in the constellation Phoenix. It takes over two years to orbit the star at a semimajor axis of 1.76 AU with an eccentricity of 0.40.〔 It was announced on October 19, 2009, together with 29 other planets.
This planet has been disproved and shown to be a brown dwarf.〔
== See also ==
* HD 181720 b
* HD 190984 b
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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