| gptkbp:instanceOf | gptkb:galaxy 
 | 
                        
                            
                                | gptkbp:alsoKnownAs | gptkb:Andromeda_Galaxy 
 | 
                        
                            
                                | gptkbp:apparentMagnitude | 3.44 
 | 
                        
                            
                                | gptkbp:catalogueNumber | gptkb:Messier_31 gptkb:PGC_2557
 gptkb:UGC_454
 gptkb:2MASX_J00424432+4116073
 
 | 
                        
                            
                                | gptkbp:constellation | gptkb:Andromeda 
 | 
                        
                            
                                | gptkbp:declination | +41° 16′ 9″ 
 | 
                        
                            
                                | gptkbp:diameter | ~220,000 light-years 
 | 
                        
                            
                                | gptkbp:discoveredBy | gptkb:Simon_Marius 
 | 
                        
                            
                                | gptkbp:discoveredIn | 1612 
 | 
                        
                            
                                | gptkbp:distanceFromEarth | 2.537 million light-years 
 | 
                        
                            
                                | gptkbp:firstCepheidDiscovery | Edwin Hubble, 1923 
 | 
                        
                            
                                | gptkbp:futureCollisionTime | ~4.5 billion years 
 | 
                        
                            
                                | gptkbp:futureCollisionWith | gptkb:Milky_Way 
 | 
                        
                            
                                | gptkbp:galacticNucleusType | double nucleus 
 | 
                        
                            
                                | gptkbp:galacticType | gptkb:galaxy 
 | 
                        
                            
                                | gptkbp:hasBar | no prominent bar 
 | 
                        
                            
                                | gptkbp:hasCepheidVariables | true 
 | 
                        
                            
                                | gptkbp:hasCompanionGalaxies | gptkb:M32 gptkb:M110
 
 | 
                        
                            
                                | gptkbp:hasDustLanes | true 
 | 
                        
                            
                                | gptkbp:hasDustRings | true 
 | 
                        
                            
                                | gptkbp:hasGlobularClusters | over 450 
 | 
                        
                            
                                | gptkbp:hasHIIRegions | true 
 | 
                        
                            
                                | gptkbp:hasPlanetaryNebulae | true 
 | 
                        
                            
                                | gptkbp:hasRadioSources | true 
 | 
                        
                            
                                | gptkbp:hasStarFormation | active 
 | 
                        
                            
                                | gptkbp:hasStellarStreams | true 
 | 
                        
                            
                                | gptkbp:hasSupermassiveBlackHole | true ~140 million solar masses
 
 | 
                        
                            
                                | gptkbp:hasSupernovaRemnants | true 
 | 
                        
                            
                                | gptkbp:hasTidalTails | true 
 | 
                        
                            
                                | gptkbp:hasXRaySources | true 
 | 
                        
                            
                                | gptkbp:infraredLuminosity | ~2.6×10^10 L☉ 
 | 
                        
                            
                                | gptkbp:locatedIn | gptkb:Andromeda_constellation 
 | 
                        
                            
                                | gptkbp:mass | ~1.5×10^12 solar masses 
 | 
                        
                            
                                | gptkbp:measures | extragalactic distances 
 | 
                        
                            
                                | gptkbp:morphologicalType | SA(s)b 
 | 
                        
                            
                                | gptkbp:nearestMajorGalaxy | gptkb:Milky_Way 
 | 
                        
                            
                                | gptkbp:partOf | gptkb:Local_Group 
 | 
                        
                            
                                | gptkbp:rating | ~1 trillion 
 | 
                        
                            
                                | gptkbp:redshift | -0.001001 
 | 
                        
                            
                                | gptkbp:rightAscension | 00h 42m 44.3s 
 | 
                        
                            
                                | gptkbp:satelliteGalaxies | gptkb:M32 gptkb:M110
 
 | 
                        
                            
                                | gptkbp:ultravioletLuminosity | ~2.6×10^9 L☉ 
 | 
                        
                            
                                | gptkbp:visibleToNakedEye | true 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:M31 gptkb:Andromeda_Galaxy
 gptkb:NGC_Catalogue
 gptkb:New_General_Catalogue
 gptkb:Andromeda_galaxy
 
 | 
                        
                            
                                | gptkbp:bfsLayer | 6 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | NGC 224 
 |