Last Updated：2025/12/03

(astronomy) A binary star in which the component stars are close together and can only be resolved via spectroscopy

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spectroscopic binary

Source Word

spectroscopic binary

Noun

(astronomy) A binary star in which the component stars are close together and can only be resolved via spectroscopy

Japanese Meaning

分光二重星（または分光観測双星）：成分星が非常に近い配置にあり、分光法を用いてその存在や運動を検出する二重星システム

After analyzing the Doppler shifts, the research team concluded that the star system was a spectroscopic binary.

ドップラーシフトを解析した結果、研究チームはその星系が分光連星であると結論づけた。

Sense（1）

(astronomy) A binary star in which the component stars are close together and can only be resolved via spectroscopy

spectroscopic binaries

（ plural ）