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HD 20003
HD 20003 is a star in the constellation Hydrus. Its apparent magnitude is 8.37. It is a yellow main sequence star of spectral type G8V a little cooler and smaller than our sun around 143 light years away.〔 It has two planets that are around 12 and 13.5 times as massive as the earth that have periods of just under 12 and 34 days respectively. These were detected by the HARPS survey in 2011.〔
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==References==
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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