Statements (30)
Predicate | Object |
---|---|
gptkbp:instanceOf |
Astronomical object
|
gptkbp:canBe |
Radio-loud
Radio-quiet |
gptkbp:centralRegion |
active galactic nucleus
|
gptkbp:characterizedBy |
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:Radio_galaxy active galactic nucleus |
https://www.w3.org/2000/01/rdf-schema#label |
Active 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 |
7
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