EntityQ15915980· pop 10· linked from 56 articlesRX J1131Sign in to savesupermassive-black-hole-containing quasar in the constellation CraterConnectionsepochEntityMoonConceptstarEntitygalaxyEntityNASAConceptlight-yearEntityconstellationEntityX-rayEntityEuropean Space AgencyEntityexoplanetEntitydigital object identifierEntityquasarEntityredshiftEntitystar clusterEntityCraterEntityUniversity of MichiganEntitydeclinationEntityright ascensionEntityNew General CatalogueEntityevent horizonEntityCategoriesAstronomical X-ray sourcesCrater (constellation)LEDA objectsQuasarsSupermassive black holesUniversity of Michigan