combined magnitude
combined magnitude
The apparent brightness of two or more stars so close that they are observed as a single star. It is not equal to the sum of the individual magnitudes, m 1 and m 2, but is a logarithmic function:See magnitude.
英语词典包含2567994条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。