Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
white dwarf
pulsar |
| gptkbp:catalogue |
gptkb:PSR_J1939+2134
|
| gptkbp:declination |
+21° 34′ 59.137″
|
| gptkbp:discoveredBy |
gptkb:Michael_Davis
gptkb:Shri_Kulkarni gptkb:Carl_Heiles gptkb:Donald_C._Backer gptkb:M._M._Rankin |
| gptkbp:discoveredIn |
1982
|
| gptkbp:distanceFromEarth |
about 3,600 parsecs
|
| gptkbp:emitsGammaRays |
yes
|
| gptkbp:emitsXrays |
yes
|
| gptkbp:galacticLatitude |
-0.29°
57.51° |
| gptkbp:hasCompanion |
no
|
| https://www.w3.org/2000/01/rdf-schema#label |
PSR B1937+21
|
| gptkbp:locatedIn |
constellation Vulpecula
|
| gptkbp:mass |
about 1.35 solar masses
|
| gptkbp:notableFor |
first discovered millisecond pulsar
|
| gptkbp:radioEmission |
yes
|
| gptkbp:rightAscension |
19h 39m 38.5602s
|
| gptkbp:rotationPeriod |
1.55780644887275 milliseconds
642 Hz |
| gptkbp:surfaceMagneticField |
4.1×10^8 Gauss
|
| gptkbp:timingPrecision |
high
|
| gptkbp:bfsParent |
gptkb:millisecond_pulsar
|
| gptkbp:bfsLayer |
6
|