EntityQ863933· pop 6· linked from 391 articlesQ863933Sign in to saveunusual Type 1a supernova in the constellation Böotes.ConnectionsBoötesEntityepochEntityhypergiantEntitylist of stars in BoötesEntityexotic starEntitylist of NGC objects (5001–6000)EntityNGC 5591EntityType Iax supernovaEntitystarEntityHawaiiConceptgalaxyEntityNASAConceptlight-yearEntityconstellationEntityWayback MachineEntityexoplanetEntitysupernovaEntitydigital object identifierEntityneutron starEntitywhite dwarfEntityCategoriesAstronomical objects discovered in 2003BoötesSupernovae