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HD 219134 e
HD 219134 e also known as HR 8832 e is an exoplanet orbiting around the K-type star HR 8832 in the constellation of Cassiopeia. It has a mass of 62 Earth Masses which indicates that the planet is likely a gas giant. The exoplanet was initially detected by the instrument HARPS-N of the Italian Telescopio Nazionale Galileo via the radial velocity method. Unlike HD 219134 b it has not been observed by the Spitzer telescope and thus its radius and density are unknown.
==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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