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HD 33564
HD 33564 is a 5th magnitude binary star located approximately 68 light-years away〔 in the constellation of Camelopardalis. It is an F-type main sequence, indicating that the star is hotter and more massive than our Sun. The age of the star is only 3 Ga; despite of this, the star is only 76% the solar abundance of iron. HD 33564 is a naked eye planetary host star.
== Planetary system ==
In September 2005, a massive planet was found orbiting the star surrounded by a disk. However, by next month, the disk was disproved because the infrared radiation is actually coming from the background galaxy passing very close to its star in apparent distance.〔
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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