Wilson–Bappu effect

Wilson–Bappu effect — correlation between width of an emission line and absolute visual magnitude of a star.

Short descriptions

ru зависимость между шириной эмиссионной линии и абсолютной звёздной величиной звезды machine-translated
de Korrelation zwischen der Breite einer Emissionslinie und der absoluten visuellen Helligkeit eines Sterns machine-translated
fr corrélation entre la largeur d'une raie d'émission et la magnitude absolue visuelle d'une étoile machine-translated
pt correlação entre a largura de uma linha de emissão e a magnitude visual absoluta de uma estrela machine-translated