| 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).]TranslationsUBV 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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