|
gptkbp:instanceOf
|
gptkb:Titan
supernova
|
|
gptkbp:age
|
about 970 years (as of 2024)
|
|
gptkbp:alternativeName
|
gptkb:M1
gptkb:NGC_1952
gptkb:Taurus_A
gptkb:Crab_Nebula
|
|
gptkbp:angularSize
|
7×5 arcminutes
|
|
gptkbp:apparentMagnitude
|
8.4
|
|
gptkbp:catalogueNumber
|
gptkb:M1
gptkb:NGC_1952
|
|
gptkbp:contains
|
gptkb:Crab_Pulsar
|
|
gptkbp:declination
|
+22° 00′ 52.2″
|
|
gptkbp:diameter
|
about 11 light-years
|
|
gptkbp:discoveredBy
|
gptkb:John_Bevis
gptkb:Charles_Messier
|
|
gptkbp:discoveredIn
|
1731
|
|
gptkbp:distanceFromEarth
|
about 6,500 light-years
|
|
gptkbp:emits
|
gptkb:X-rays
gptkb:gamma_rays
gptkb:radio_waves
infrared radiation
visible light
|
|
gptkbp:epoch
|
gptkb:J2000
|
|
gptkbp:expandingAt
|
about 1,500 km/s
|
|
gptkbp:hasCentralObject
|
gptkb:Crab_Pulsar
|
|
gptkbp:hasViewOf
|
optical wavelengths
X-ray wavelengths
gamma-ray wavelengths
radio wavelengths
|
|
gptkbp:historicalObservation
|
recorded by Chinese astronomers in 1054
recorded by Japanese astronomers in 1054
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Messier 1 (Crab Nebula)
|
|
gptkbp:locatedIn
|
constellation Taurus
|
|
gptkbp:mass
|
about 4.6 solar masses
|
|
gptkbp:notableFeature
|
synchrotron radiation
filamentary structure
central pulsar
|
|
gptkbp:originatedIn
|
gptkb:supernova_SN_1054
|
|
gptkbp:partOf
|
gptkb:Messier_Catalogue
gptkb:NGC_Catalogue
|
|
gptkbp:rightAscension
|
05h 34m 31.94s
|
|
gptkbp:spectralType
|
gptkb:planetary_nebula
|
|
gptkbp:studiedBy
|
gptkb:Very_Large_Array
gptkb:Chandra_X-ray_Observatory
gptkb:Hubble_Space_Telescope
|
|
gptkbp:type
|
supernova
|
|
gptkbp:bfsParent
|
gptkb:Charles_Messier
|
|
gptkbp:bfsLayer
|
6
|