|
gptkbp:instanceOf
|
astronomer
|
|
gptkbp:age
|
can be millions of years
|
|
gptkbp:atmosphere
|
thin plasma
|
|
gptkbp:canAccrete
|
matter from companion star
|
|
gptkbp:canBe
|
gptkb:magnetar
pulsar
|
|
gptkbp:canCollapseInto
|
black hole
|
|
gptkbp:canMerge
|
another neutron star
|
|
gptkbp:composedOf
|
gptkb:neutrons
|
|
gptkbp:density
|
extremely high
|
|
gptkbp:diameter
|
about 20 kilometers
|
|
gptkbp:discoveredBy
|
gptkb:Jocelyn_Bell_Burnell
|
|
gptkbp:emits
|
gptkb:X-rays
gptkb:gamma_rays
|
|
gptkbp:firstObserved
|
1967
|
|
gptkbp:form
|
binary system
|
|
gptkbp:foundIn
|
gptkb:Milky_Way
|
|
gptkbp:hasCoreCity
|
superfluid neutrons
|
|
gptkbp:hasCrust
|
gptkb:stone
|
|
gptkbp:hasEquationOfState
|
unknown
|
|
gptkbp:hasEscapeVelocity
|
about 0.4c
|
|
gptkbp:hasGravitationalField
|
extremely strong
|
|
gptkbp:hasGravitationalLensing
|
observable
|
|
gptkbp:hasGravitationalRedshift
|
significant
|
|
gptkbp:hasLightCurve
|
periodic
|
|
gptkbp:hasMomentOfInertia
|
very high
|
|
gptkbp:hasNo
|
fusion reactions
planetary system (usually)
|
|
gptkbp:hasPopulation
|
estimated 100 million in Milky Way
|
|
gptkbp:hasSpinPeriod
|
milliseconds to seconds
|
|
gptkbp:hasTidalEffects
|
strong
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
neutron stars
|
|
gptkbp:magneticFieldStrength
|
very strong
|
|
gptkbp:mass
|
about 1.4 times the Sun
|
|
gptkbp:mayInclude
|
planets (rarely)
|
|
gptkbp:mergerProduces
|
supernova
gravitational waves
|
|
gptkbp:namedAfter
|
neutron
|
|
gptkbp:observedBy
|
gptkb:anomalous_X-ray_pulsar
gptkb:millisecond_pulsar
gptkb:soft_gamma_repeater
binary star system
|
|
gptkbp:remnants
|
supernova
|
|
gptkbp:rotationPeriod
|
rapidly
|
|
gptkbp:studiedBy
|
gptkb:X-ray_telescopes
radio telescopes
|
|
gptkbp:studiedIn
|
astrophysics
|
|
gptkbp:surfaceGravity
|
very strong
|
|
gptkbp:temperature
|
about 600,000 K
|
|
gptkbp:bfsParent
|
gptkb:Fermi-Dirac_statistics
gptkb:Fermi_gas
gptkb:Virgo_Collaboration
|
|
gptkbp:bfsLayer
|
4
|