Statements (30)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:Astronomical_object
|
| gptkbp:canBe |
Radio-loud
Radio-quiet |
| gptkbp:centralRegion |
gptkb:active_galactic_nucleus
|
| gptkbp:characterizedBy |
gptkb:active_galactic_nucleus
|
| gptkbp:contains |
gptkb:Supermassive_black_hole
|
| gptkbp:discoveredIn |
20th century
|
| gptkbp:emits |
gptkb:X-rays
gptkb:Gamma_rays gptkb:Radio_waves Optical light High-energy radiation |
| gptkbp:example |
gptkb:Messier_87
gptkb:NGC_1068 gptkb:Centaurus_A |
| gptkbp:hasType |
gptkb:Blazar
gptkb:Quasar gptkb:active_galactic_nucleus gptkb:Radio_galaxy |
| gptkbp:observedBy |
gptkb:Very_Large_Array
gptkb:Chandra_X-ray_Observatory gptkb:Hubble_Space_Telescope |
| gptkbp:powerSource |
Accretion of matter onto black hole
|
| gptkbp:shows |
Jets and outflows
Variability in brightness |
| gptkbp:studiedIn |
Extragalactic astronomy
|
| gptkbp:subclassOf |
gptkb:galaxy
|
| gptkbp:bfsParent |
gptkb:Quasars
|
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
Active galaxy
|