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About: Bahcall–Wolf cusp     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:YagoPermanentlyLocatedEntity, within Data Space : dbpedia.org:8891 associated with source document(s)

Type: yago:WikicatSupermassiveBlackHolesyago:BlackHole109223177yago:Location100027167yago:Object100002684yago:PhysicalEntity100001930yago:Region108630039yago:YagoGeoEntityyago:YagoLegalActorGeoyago:YagoPermanentlyLocatedEntity New Facet based on Instances of this Class

Bahcall–Wolf cusp refers to a particular distribution of stars around a massive black hole at the center of a galaxy or globular cluster. If the nucleus containing the black hole is sufficiently old, exchange of orbital energy between stars drives their distribution toward a characteristic form, such that the density of stars, ρ, varies with distance from the black hole, r, as So far, no clear example of a Bahcall–Wolf cusp has been found in any galaxy or star cluster. This may be due in part to the difficulty of resolving such a feature.