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HD 142022 Ab : ウィキペディア英語版 | HD 142022 Ab
HD 142022 Ab is an exoplanet discovered by the radial velocity method by Eggenberger ''et al.'' in 2005 after finding that HD 142022 A is wobbling which indicated the presence of a massive planet, designating as HD 142022 Ab, with mass of 4.5 times Jupiter. It has a relatively wide separation between a planet and a star with nearly 3 AU, which takes 1928 days or 5.28 years to revolve. As it is typical for long-period planets, it has a relatively high eccentricity of 53±20%. == See also ==
* HD 141937 b * HD 142415 b
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「HD 142022 Ab」の詳細全文を読む
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