Back Ligsterk blou veranderlike Afrikaans متغير أزرق مضيء Arabic Variable lluminosa azul AST Variable lluminosa blava Catalan Leuchtkräftiger Blauer Veränderlicher German Hela blua varia stelo Esperanto Variable luminosa azul Spanish Izar aldakor urdin argitsu Basque متغیر آبی درخشان Persian Kirkas sininen muuttuja Finnish
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Luminous blue variables (LBVs) are rare, massive and evolved stars that show unpredictable and sometimes dramatic variations in their spectra and brightness. They are also known as S Doradus variables after S Doradus, one of the brightest stars of the Large Magellanic Cloud.