|
gptkbp:instanceOf
|
supernova
|
|
gptkbp:alsoKnownAs
|
gptkb:Crab_Nebula
|
|
gptkbp:angularSize
|
7 by 5 arcminutes
|
|
gptkbp:apparentMagnitude
|
8.4
|
|
gptkbp:catalogueNumber
|
gptkb:Messier_1
|
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gptkbp:contains
|
gptkb:Crab_Pulsar
|
|
gptkbp:declination
|
+22° 00′ 52.2″
|
|
gptkbp:discoveredBy
|
gptkb:John_Bevis
|
|
gptkbp:discoveredIn
|
1731
|
|
gptkbp:distanceFromEarth
|
about 6,500 light-years
|
|
gptkbp:emits
|
gptkb:X-rays
gptkb:gamma_rays
gptkb:radio_waves
visible light
|
|
gptkbp:expandingAt
|
about 1,500 km/s
|
|
gptkbp:hasCentralObject
|
gptkb:Crab_Pulsar
white dwarf
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
NGC 1952
|
|
gptkbp:locatedIn
|
constellation Taurus
|
|
gptkbp:notableFor
|
first astronomical object identified with a historical supernova explosion
|
|
gptkbp:observedBy
|
gptkb:Charles_Messier
1758
|
|
gptkbp:originatedIn
|
supernova observed in 1054 AD
|
|
gptkbp:partOf
|
gptkb:Milky_Way
|
|
gptkbp:rightAscension
|
05h 34m 31.94s
|
|
gptkbp:spectralType
|
gptkb:planetary_nebula
|
|
gptkbp:type
|
gptkb:Pulsar_Wind_Nebula
plerion
|
|
gptkbp:bfsParent
|
gptkb:Crab_Nebula_(M1)
gptkb:Crab_Nebula
|
|
gptkbp:bfsLayer
|
6
|