Statements (18)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | 
                                    
                                        
                                            gptkb:astronomer
                                        
                                         | 
                            
| gptkbp:abbreviation | 
                                    
                                        
                                            gptkb:4C
                                        
                                         | 
                            
| gptkbp:catalogueContains | 
                                    
                                        
                                            
                                            radio sources
                                        
                                        
                                         | 
                            
| gptkbp:conductedBy | 
                                    
                                        
                                            gptkb:University_of_Cambridge
                                        
                                         | 
                            
| gptkbp:field | 
                                    
                                        
                                            
                                            radio astronomy
                                        
                                        
                                         | 
                            
| gptkbp:location | 
                                    
                                        
                                            gptkb:United_Kingdom
                                        
                                         | 
                            
| gptkbp:notableFor | 
                                    
                                        
                                            gptkb:4C_catalogue
                                        
                                         | 
                            
| gptkbp:predecessor | 
                                    
                                        
                                            gptkb:Third_Cambridge_Catalogue_of_Radio_Sources
                                        
                                         | 
                            
| gptkbp:publicationYear | 
                                    
                                        
                                            
                                            1965
                                        
                                        
                                         | 
                            
| gptkbp:purpose | 
                                    
                                        
                                            
                                            catalogue radio sources
                                        
                                        
                                         | 
                            
| gptkbp:successor | 
                                    
                                        
                                            
                                            Fifth Cambridge Survey
                                        
                                        
                                         | 
                            
| gptkbp:type | 
                                    
                                        
                                            
                                            radio source flux densities
                                        
                                        
                                         radio source positions  | 
                            
| gptkbp:usedBy | 
                                    
                                        
                                            gptkb:astronomer
                                        
                                         | 
                            
| gptkbp:wavelengthRange | 
                                    
                                        
                                            
                                            178 MHz
                                        
                                        
                                         | 
                            
| gptkbp:bfsParent | 
                                    
                                        
                                            gptkb:Third_Cambridge_Catalogue_of_Radio_Sources
                                        
                                         | 
                            
| gptkbp:bfsLayer | 
                                    
                                        
                                            
                                            7
                                        
                                        
                                         | 
                            
| https://www.w3.org/2000/01/rdf-schema#label | 
                                    
                                        
                                            
                                            Fourth Cambridge Survey
                                        
                                        
                                         |