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HD 108874
HD 108874 is a yellow dwarf star (spectral type G5 V) in the constellation of Coma Berenices. It is 200 light years from Earth〔 and has two extrasolar planets that are possibly in a 4:1 orbital resonance. == Star == HD 108874 is 2.7 billion years older than our Sun. The star has a temperature of 5407 K and luminosity 1.14 solar. Its metallicity is 1.38 times solar, meaning it has greater iron abundance relative to hydrogen and helium. It has about the same mass as the Sun, but the radius is 22% greater.
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 108874」の詳細全文を読む
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