| 
                                    
                                        gptkbp:instanceOf
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Dragon
                                        
                                         
                                    
                                        
                                            gptkb:galaxy
                                        
                                         
                                    
                                        
                                            gptkb:ultraluminous_infrared_galaxy
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:apparentMagnitude
                                    
                                 | 
                                
                                    
                                        
                                            
                                            14.4
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:catalogue
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Markarian_catalog
                                        
                                         
                                    
                                        
                                            
                                            IRAS catalog
                                        
                                        
                                         
                                    
                                        
                                            
                                            PGC catalog
                                        
                                        
                                         
                                    
                                        
                                            
                                            UGC catalog
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:containsSupermassiveBlackHole
                                    
                                 | 
                                
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:declination
                                    
                                 | 
                                
                                    
                                        
                                            
                                            +56° 52′ 25″
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:discoveredBy
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Benjamin_Markarian
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:distanceFromEarth
                                    
                                 | 
                                
                                    
                                        
                                            
                                            581 million light-years
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:epoch
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:J2000
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:hasActiveNucleus
                                    
                                 | 
                                
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:hasAGN
                                    
                                 | 
                                
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:hasBroadAbsorptionLine
                                    
                                 | 
                                
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:hasBroadEmissionLines
                                    
                                 | 
                                
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:hasCompanion
                                    
                                 | 
                                
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:hasDustObscuration
                                    
                                 | 
                                
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:hasHighStarFormationRate
                                    
                                 | 
                                
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:hasMolecularGas
                                    
                                 | 
                                
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:hasMolecularOutflow
                                    
                                 | 
                                
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:hasNarrowEmissionLines
                                    
                                 | 
                                
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:hasOutflowVelocity
                                    
                                 | 
                                
                                    
                                        
                                            
                                            up to 1000 km/s
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:hasRadioEmission
                                    
                                 | 
                                
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:hasStarburstActivity
                                    
                                 | 
                                
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:hasSupermassiveBlackHole
                                    
                                 | 
                                
                                    
                                        
                                            
                                            ~150 million solar masses
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:hasXRayEmission
                                    
                                 | 
                                
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:hostedBy
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:galaxy
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:infraredLuminosity
                                    
                                 | 
                                
                                    
                                        
                                            
                                            3.6×10^12 solar luminosities
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:isMergingGalaxy
                                    
                                 | 
                                
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:locatedIn
                                    
                                 | 
                                
                                    
                                        
                                            
                                            constellation Ursa Major
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:notableFor
                                    
                                 | 
                                
                                    
                                        
                                            
                                            closest known quasar to Earth
                                        
                                        
                                         
                                    
                                        
                                            
                                            most luminous ULIRG in the local universe
                                        
                                        
                                         
                                    
                                        
                                            
                                            powerful galactic wind
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:observedBy
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Very_Large_Array
                                        
                                         
                                    
                                        
                                            gptkb:Spitzer_Space_Telescope
                                        
                                         
                                    
                                        
                                            gptkb:Chandra_X-ray_Observatory
                                        
                                         
                                    
                                        
                                            gptkb:Hubble_Space_Telescope
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:otherName
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:UGC_8058
                                        
                                         
                                    
                                        
                                            
                                            IRAS F12540+5708
                                        
                                        
                                         
                                    
                                        
                                            
                                            PGC 28795
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:polarization
                                    
                                 | 
                                
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:redshift
                                    
                                 | 
                                
                                    
                                        
                                            
                                            0.04217
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:rightAscension
                                    
                                 | 
                                
                                    
                                        
                                            
                                            12h 56m 14.2s
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:starFormationRate
                                    
                                 | 
                                
                                    
                                        
                                            
                                            ~100 solar masses per year
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsParent
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:IRAS_F11301+7412
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsLayer
                                    
                                 | 
                                
                                    
                                        
                                            
                                            7
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        https://www.w3.org/2000/01/rdf-schema#label
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Markarian 231
                                        
                                        
                                         
                                    
                                 |