|
gptkbp:instanceOf
|
astronomer
|
|
gptkbp:affects
|
star formation
|
|
gptkbp:canBe
|
Type 1
Type 2
radio-loud
radio-quiet
high-luminosity
low-luminosity
obscured
unobscured
|
|
gptkbp:canBeObservedAt
|
all wavelengths
|
|
gptkbp:canOutshine
|
host galaxy
|
|
gptkbp:cataloguedIn
|
gptkb:Veron-Cetty_&_Veron_catalogue
|
|
gptkbp:centralEngine
|
black hole
|
|
gptkbp:discoveredBy
|
gptkb:Carl_Seyfert
|
|
gptkbp:drivesOn
|
galactic winds
|
|
gptkbp:emits
|
radiation therapy
|
|
gptkbp:firstDescribed
|
1943
|
|
gptkbp:foundIn
|
gptkb:galaxy
|
|
gptkbp:hasFeature
|
broad emission lines
high luminosity
narrow emission lines
variability
|
|
gptkbp:hasFeedback
|
AGN feedback
|
|
gptkbp:hasType
|
gptkb:Dragon
gptkb:galaxy
gptkb:blazar
active galactic nucleus
|
|
gptkbp:hasUnifiedModel
|
orientation-based
|
|
gptkbp:hasVariabilityTimescale
|
days to years
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
AGN
|
|
gptkbp:importantFor
|
galaxy evolution
|
|
gptkbp:luminosity
|
10^42 to 10^48 erg/s
|
|
gptkbp:mayInclude
|
relativistic jets
dusty torus
|
|
gptkbp:observedBy
|
gptkb:X-ray_telescopes
gptkb:gamma-ray_telescopes
radio telescopes
optical telescopes
|
|
gptkbp:powerSource
|
gravitational energy
|
|
gptkbp:provides
|
accretion of matter onto supermassive black hole
|
|
gptkbp:redshift
|
high
low
|
|
gptkbp:spectrumOfActivity
|
thermal
non-thermal
|
|
gptkbp:standsFor
|
gptkb:Active_Galactic_Nucleus
|
|
gptkbp:studiedBy
|
gptkb:Sloan_Digital_Sky_Survey
|
|
gptkbp:studiedIn
|
extragalactic astronomy
|
|
gptkbp:surroundedBy
|
accretion disk
|
|
gptkbp:bfsParent
|
gptkb:active_galactic_nucleus
|
|
gptkbp:bfsLayer
|
5
|