EntityQ1115519· pop 10· linked from 11 articlesWilson–Bappu effectSign in to savecorrelation between width of an emission line and absolute visual magnitude of a starConnectionsabsolute magnitudeEntityextinctionEntitycosmic distance ladderEntityAstronomy and AstrophysicsEntitystarEntityultraviolet radiationEntitydigital object identifierEntityparsecEntityred giantEntityapparent magnitudeEntitybibcodeEntityQ118398EntitychromosphereEntityG-type main-sequence starEntityspectral lineEntitystellar classificationEntityFraunhofer linesEntitycharge-coupled deviceEntityHipparcosEntityQ22908627EntityCategoriesAstronomical spectroscopy