|
gptkbp:instanceOf
|
gptkb:Titan
gptkb:supernova
|
|
gptkbp:age
|
about 970 years
|
|
gptkbp:angularSize
|
7 by 5 arcminutes
|
|
gptkbp:apparentMagnitude
|
8.4
|
|
gptkbp:catalogueNumber
|
gptkb:Messier_1
gptkb:NGC_1952
|
|
gptkbp:centralTo
|
gptkb:Crab_Pulsar
|
|
gptkbp:composition
|
gptkb:helium
gptkb:neon
gptkb:sulfur
carbon
nitrogen
oxygen
ionized hydrogen
|
|
gptkbp:contains
|
gptkb:Crab_Pulsar
|
|
gptkbp:coordinates
|
Dec +22° 00′ 52.2″
RA 05h 34m 31.94s
|
|
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:hasChineseName
|
gptkb:Tianguan
|
|
gptkbp:hasViewOf
|
gptkb:Northern_Hemisphere
optical wavelengths
X-ray wavelengths
gamma-ray wavelengths
infrared wavelengths
ultraviolet wavelengths
|
|
gptkbp:JapaneseName
|
gptkb:Guest_Star_of_1054
|
|
gptkbp:locatedIn
|
constellation Taurus
|
|
gptkbp:mass
|
about 4.6 solar masses
|
|
gptkbp:notableFor
|
synchrotron radiation
filamentary structure
first object in Messier catalogue
historical supernova remnant
pulsar wind nebula
rapid expansion
source of cosmic rays
first astronomical object identified with a historical supernova explosion
|
|
gptkbp:observedBy
|
gptkb:Charles_Messier
1758
|
|
gptkbp:originatedIn
|
gptkb:supernova_SN_1054
|
|
gptkbp:shape
|
irregular
|
|
gptkbp:studiedBy
|
gptkb:Very_Large_Array
gptkb:Chandra_X-ray_Observatory
gptkb:Hubble_Space_Telescope
gptkb:Fermi_Gamma-ray_Space_Telescope
|
|
gptkbp:supernovaDate
|
1054 CE
|
|
gptkbp:usedFor
|
standard candle in astronomy
|
|
gptkbp:visibleBestIn
|
January
|
|
gptkbp:bfsParent
|
gptkb:Hubble_Space_Telescope_program
|
|
gptkbp:bfsLayer
|
6
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Crab Nebula
|