Statements (16)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:pulsar
gptkb:white_dwarf |
| gptkbp:declination |
+21° 34′ 59.137″
|
| gptkbp:discoveredBy |
gptkb:Donald_Backer
|
| gptkbp:discoveredIn |
1982
|
| gptkbp:distanceFromEarth |
3500 parsecs
|
| gptkbp:fastestKnownPulsarAtDiscovery |
true
|
| gptkbp:galacticLatitude |
l = 57.51°, b = -0.29°
|
| gptkbp:locatedIn |
gptkb:Vulpecula
|
| gptkbp:mass |
1.35 solar masses
|
| gptkbp:notableFor |
first discovered millisecond pulsar
|
| gptkbp:otherName |
B1937+21
|
| gptkbp:radioEmission |
yes
|
| gptkbp:rightAscension |
19h 39m 38.5602s
|
| gptkbp:rotationPeriod |
1.5578 milliseconds
|
| https://www.w3.org/2000/01/rdf-schema#label |
PSR J1939+2134
|