|
gptkbp:instanceOf
|
black hole
solution to Einstein field equations
|
|
gptkbp:canBeExtremal
|
yes
|
|
gptkbp:describedBy
|
gptkb:Kerr-Newman_metric
|
|
gptkbp:discoveredBy
|
gptkb:Roy_Kerr
gptkb:Ezra_T._Newman
|
|
gptkbp:generalizes
|
gptkb:Reissner–Nordström_black_hole
gptkb:Kerr_black_hole
gptkb:Schwarzschild_black_hole
|
|
gptkbp:hasBekensteinHawkingEntropy
|
yes
|
|
gptkbp:hasCausalStructure
|
similar to Kerr black hole
|
|
gptkbp:hasElectromagneticField
|
yes
|
|
gptkbp:hasErgosphere
|
yes
|
|
gptkbp:hasEventHorizon
|
yes
|
|
gptkbp:hasGyromagneticRatio
|
2
|
|
gptkbp:hasHawkingRadiation
|
yes
|
|
gptkbp:hasInnerHorizon
|
yes
|
|
gptkbp:hasNoHair
|
yes
|
|
gptkbp:hasPenroseProcess
|
yes
|
|
gptkbp:hasProperty
|
marina
angular momentum
electric charge
|
|
gptkbp:hasSingularity
|
ring singularity
|
|
gptkbp:hasThermodynamics
|
yes
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Kerr-Newman black hole
|
|
gptkbp:includesMetric
|
gptkb:Kerr-Newman_metric
|
|
gptkbp:isAsymptoticallyFlat
|
yes
|
|
gptkbp:isAxisymmetric
|
yes
|
|
gptkbp:isCharged
|
yes
|
|
gptkbp:isMathematicalObject
|
yes
|
|
gptkbp:isRotating
|
yes
|
|
gptkbp:isStationary
|
yes
|
|
gptkbp:isVacuumSolution
|
no
|
|
gptkbp:reduces
|
gptkb:Kerr_black_hole_(if_charge_is_zero)
Schwarzschild black hole (if charge and angular momentum are zero)
Reissner–Nordström black hole (if angular momentum is zero)
|
|
gptkbp:solvedBy
|
gptkb:Einstein-Maxwell_equations
|
|
gptkbp:surfaceGravity
|
yes
|
|
gptkbp:yearProposed
|
1965
|
|
gptkbp:bfsParent
|
gptkb:Reissner-Nordström_black_hole
|
|
gptkbp:bfsLayer
|
5
|