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gptkbp:instanceOf
|
Astronomical object
|
|
gptkbp:alsoKnownAs
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gptkb:Quasi-stellar_radio_source
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gptkbp:canBe
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Radio-loud
Radio-quiet
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gptkbp:category
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gptkb:Active_galaxy
|
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gptkbp:discoveredBy
|
gptkb:Maarten_Schmidt
1963
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gptkbp:distanceFromEarth
|
Billions of light-years
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gptkbp:emits
|
Electromagnetic radiation
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gptkbp:feature
|
High luminosity
Accretion disk
Broad emission lines
Relativistic jets
Compact size
Strong variability
High redshift
Powerful outflows
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gptkbp:foundIn
|
Distant galaxies
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gptkbp:fuelType
|
Infalling gas
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gptkbp:hostedBy
|
active galactic nucleus
Elliptical galaxy
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https://www.w3.org/2000/01/rdf-schema#label
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Quasars
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gptkbp:luminosity
|
Extremely high
Outshines host galaxy
|
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gptkbp:massOfBlackHole
|
Millions to billions solar masses
|
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gptkbp:notableExample
|
gptkb:3C_273
gptkb:3C_48
|
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gptkbp:numberKnown
|
Over 750,000
|
|
gptkbp:observedBy
|
gptkb:Very_Large_Array
gptkb:Chandra_X-ray_Observatory
gptkb:Hubble_Space_Telescope
gptkb:Visible_spectrum
X-ray spectrum
Infrared spectrum
Radio spectrum
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gptkbp:powerSource
|
Accretion disk
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gptkbp:provides
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gptkb:Supermassive_black_hole
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gptkbp:redshift
|
High
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gptkbp:relatedTo
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gptkb:Active_galactic_nuclei
gptkb:Blazars
Seyfert galaxies
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gptkbp:spectrumOfActivity
|
Broad emission lines
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gptkbp:studiedIn
|
X-ray astronomy
Optical astronomy
Radio astronomy
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gptkbp:usedFor
|
Measuring universe expansion
Probing intergalactic medium
Studying early universe
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gptkbp:variant
|
Rapid
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gptkbp:bfsParent
|
gptkb:Supermassive_Black_Hole
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gptkbp:bfsLayer
|
6
|