argelander's method

argelander's method: \\ˈärgəˌlandərz-, -län-\ noun
Usage: capitalized A

Etymology: after F.W.A. Argelander died 1875 German astronomer

: a method of visual photometry that determines the magnitude of a star or the extent of changes in brightness of a variable star by comparisons with a sequence of neighboring stars of slightly different magnitudes

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