Statements (26)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:Ninjutsu
|
gptkbp:bfsLayer |
5
|
gptkbp:bfsParent |
gptkb:Pulsar_PSR_B1937+21
|
gptkbp:age |
about 1.6 million years
|
gptkbp:area |
about 10 kilometers
|
gptkbp:constellation |
gptkb:Cassiopeia
none known |
gptkbp:discovered_by |
gptkb:D._R._Lorimer
the fastest known pulsar at the time of discovery |
gptkbp:distance |
about 3,600 light-years
|
gptkbp:field |
about 10^8 Tesla
|
gptkbp:has_luminosity |
about 0.1 m Jy
|
gptkbp:historical_period |
about 1.0 x 10^-20 seconds per second
|
https://www.w3.org/2000/01/rdf-schema#label |
PSR B1937+21
|
gptkbp:mass |
about 1.4 solar masses
|
gptkbp:orbital_period |
highly stable rotation
used for high-precision timing experiments |
gptkbp:research |
gptkb:pulsar_timing_array
observed by various radio telescopes |
gptkbp:roll_rate |
1.557701 milliseconds
|
gptkbp:significance |
important for testing theories of gravity
|
gptkbp:stations |
around 400 M Hz
|
gptkbp:status |
not in a binary system
|
gptkbp:type |
gptkb:Ninjutsu
|
gptkbp:weather_conditions |
produces a relativistic wind
|
gptkbp:year_created |
gptkb:1982
|