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29 Arietis
29 Arietis is the Flamsteed designation for a triple star〔 system in the northern constellation of Aries. It has an annual parallax shift of ,〔 which corresponds to a physical distance of approximately from Earth. The star is just barely visible to the naked eye with an apparent visual magnitude of 6.0.〔 The core of the system is formed by a close spectroscopic binary with an angular separation of 3.892 mas and an orbital period of 19.379 days. The larger member of this pair has 114% of the mass of the Sun, while its companion has 88% of the Sun's mass. Orbiting the pair at an angular separation of 1.422 arcseconds over a period of 164 years, the tertiary component has 52% of the Sun's mass.〔 == References ==
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「29 Arietis」の詳細全文を読む
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