英语词汇“ubv photometry”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ubv photometry
释义	UBV photometry UBV photometry U0002000 (yo͞o′bē-vē′)n. Photometry used to obtain stellar magnitudes in the ultraviolet, blue, and green regions of the visible spectrum by comparing observed brightnesses to those of well-observed standard stars. [u(ltraviolet) + b(lue) + v(isual).] Translations fotometria UBV UBV photometry UBV photometry [¦yü‚bē¦vē fə′täm·ə·trē] (astronomy) A system of three-color photometry used to obtain specific stellar magnitudes; the system is based on the comparison of stars' magnitudes with a standard sequence of about 400 stars.
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UBV photometry