EntityQ2296213· pop 19· linked from 119 articlesWesterlund 1Sign in to saveSuper star cluster in Milky WayConnectionsWesterlund 1-26EntityparsecEntityepochEntityWolf–Rayet starEntityhypergiantEntityCXOU J164710.2-455216EntityGX 339-4EntityWesterlund 1 W237EntitystarEntityMilky WayEntityBlack holeConceptgalaxyEntityconstellationEntityX-rayEntityinfrared radiationEntityEuropean Space AgencyEntitynebulaEntityHubble Space TelescopeEntitysupernovaEntityexoplanetEntityCategoriesAra (constellation)Astronomical objects discovered in 1961ESO objectsOpen clustersSuper star clusters