|
gptkbp:instance_of
|
gptkb:Apache_Pulsar
|
|
gptkbp:age
|
about 950 years
|
|
gptkbp:associated_with
|
gptkb:supernova_SN_1054
|
|
gptkbp:discovered_by
|
gptkb:John_W._Taylor
|
|
gptkbp:discovery_year
|
gptkb:1968
|
|
gptkbp:distance_from_earth
|
6500 light years
|
|
gptkbp:emissions_standard
|
pulsed radiation
|
|
gptkbp:has_energy_output
|
high-energy particles
|
|
gptkbp:has_field
|
10^12 Gauss
|
|
gptkbp:has_luminosity
|
about 1 million times that of the Sun
|
|
gptkbp:has_period_derivative
|
1.6 x 10^-13 seconds/second
|
|
gptkbp:has_pulsar_wind
|
relativistic particles
|
|
gptkbp:has_pulse_shape
|
complex pulse profile
|
|
gptkbp:has_pulse_width
|
about 5 milliseconds
|
|
gptkbp:has_spectral_type
|
non-thermal spectrum
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Crab Pulsar
|
|
gptkbp:is_a
|
high-energy astrophysical object
cosmic lighthouse
key object in astrophysics
|
|
gptkbp:is_associated_with
|
gamma-ray bursts
|
|
gptkbp:is_considered_as
|
a standard candle for distance measurement
a prototype for millisecond pulsars
|
|
gptkbp:is_influential_in
|
pulsar research
|
|
gptkbp:is_known_for
|
its high rotational energy
its regular pulse timing
|
|
gptkbp:is_located_in
|
gptkb:Taurus_constellation
|
|
gptkbp:is_monitored_by
|
radio telescopes
|
|
gptkbp:is_observed_in
|
gptkb:Chandra_X-ray_Observatory
gptkb:Arecibo_Observatory
gptkb:Green_Bank_Telescope
gptkb:Fermi_Gamma-ray_Space_Telescope
gptkb:X-rays
radio waves
gamma rays
|
|
gptkbp:is_part_of
|
gptkb:Crab_Nebula
pulsar timing arrays
neutron star population studies
multi-wavelength astronomy studies
pulsar timing array experiments
the study of neutron star interiors
|
|
gptkbp:is_studied_for
|
its magnetic field dynamics
|
|
gptkbp:is_studied_in
|
astrophysicists
|
|
gptkbp:is_used_for
|
astrophysical simulations
testing theories of gravity
|
|
gptkbp:is_used_in
|
tests of general relativity
gravitational wave detection experiments
|
|
gptkbp:located_in
|
gptkb:Crab_Nebula
|
|
gptkbp:roll_rate
|
30.2 rotations per second
|
|
gptkbp:rotation_period
|
0.033 seconds
|
|
gptkbp:type_of
|
gptkb:Supernova
|
|
gptkbp:bfsParent
|
gptkb:SN_1054
|
|
gptkbp:bfsLayer
|
9
|