🌐EnglishEnglishDeutschFrançaisPortuguêsРусскийالعربية한국어中文EntityQ3424023· pop 8· linked from 151 articlesM-sigma relationRelationship between the stellar mass dispersion of a galaxy bulge and the mass of the supermassive black hole at its centerAvailable in 8 languagesFrançaisDeutschРусскийPortuguêsالعربيةUkrainian한국어via Wikidata sitelinks · CC0Connectionsactive galactic nucleusEntitystellar populationEntityCategoriesAstrophysicsEquations of astronomyGalaxiesSupermassive black holesUnsolved problems in astronomy