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physical object > natural object > celestial body > star > neutron star > pulsar > Crab pulsar

Crab pulsar (NP 0532)
subject			fact

Crab pulsar	is a part of Taurus
	is a part of Crab Nebula
	is a part of Milky Way
	has period 0.0331 seconds
	has synonym NP 0532
	has definition A pulsar associated with the Crab Nebula. It has the shortest period of any known pulsar.
	is an instance of pulsar
pulsar	has acronym PSR
star	has star surface temperature
	has spectral type
	has V magnitude
	has B magnitude
	has U magnitude
	has position on celestial sphere from the point of view of Earth
	has parallax from the point of view of Earth's orbit
	has proper motion
	has radiation at surface which is diffused out from the hotter core
	has energy source gravitational contraction and or fusion
	has energy production which takes place primarily within the core
	has surface density which depends on luminosity class
	has surface temperature greater than 1000 Kelvin
	has apparent magnitude
	has absolute magnitude
	has age
	has catalog star catalog
	has material hydrogen, helium
	has velocity determined from proper motion and radial velocity
	has mass greater than 0.08 the sun's mass
massive compact halo object	is a part of halo
celestial body	has spectra
dark matter	is a part of dark halo
hypothetical particle	has acceptance status hypothetical
physical object	has location or center of gravity
	has angular momentum
	has momentum
	has temperature
	has volume
	has extent
particle	obeys uncertainty principle
	has frequency inversely proportional to the wavelength
	has wavelength inversely proportional to its momentum
	has charge

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