请输入您要查询的字词:

 

单词 Geneva photometry
释义
Geneva photometry

Astronomy
  • An intermediate-band photometric system developed at the Geneva Observatory, Switzerland. It uses seven glass filters centred on the following wavelengths: U, 344 nm; B1, 402 nm; B, 425 nm; B2, 448 nm; V1, 541 nm; V, 551 nm; and G, 581 nm. The colours can be used to measure interstellar absorption, stellar temperature, gravity, and chemical abundance. See also vilgen photometry.


随便看

 

科学参考收录了60776条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。

 

Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号 更新时间:2024/12/26 2:30:04