KnowraPlanetary nebula luminosity functionLinked fromLinked fromThe 3 pages that link to Planetary nebula luminosity function, each with the reason it gives.All 3Related 3Planetary nebulaRelated: Its nearly stable bright-end cutoff is used to estimate distances, though its physical explanation remains debated.Dumbbell NebulaRelated: The Dumbbell Nebula is one object within the population described by this distribution.Intergalactic starRelated: The bright end helps locate intracluster planetary nebulae and map their parent stars.