Messier 1
E461993
Messier 1, also known as the Crab Nebula, is a supernova remnant and pulsar wind nebula in the constellation Taurus, famous as the first object in Charles Messier’s catalog.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Messier object
ⓘ
NGC object ⓘ astronomical object ⓘ pulsar wind nebula ⓘ supernova remnant ⓘ |
| age | about 970 years ⓘ |
| angularSize | about 7 by 5 arcminutes ⓘ |
| apparentMagnitudeV | 8.4 ⓘ |
| associatedWith | Crab Pulsar NERFINISHED ⓘ |
| bestSeenIn | winter sky ⓘ |
| catalogNumber |
M1
NERFINISHED
ⓘ
NGC 1952 NERFINISHED ⓘ |
| cataloguedBy | Charles Messier NERFINISHED ⓘ |
| contains | Crab Pulsar NERFINISHED ⓘ |
| declination | +22° 00′ 52.1″ ⓘ |
| discoveredBy | John Bevis NERFINISHED ⓘ |
| discoveryYear | 1731 ⓘ |
| distanceFromEarth |
about 2.0 kiloparsecs
ⓘ
about 6500 light-years ⓘ |
| emits |
X-rays
ⓘ
gamma rays ⓘ optical radiation ⓘ radio waves ⓘ |
| epoch | J2000 ⓘ |
| expansionVelocity | about 1500 km/s ⓘ |
| hasAlternativeName | Sharpless 244 NERFINISHED ⓘ |
| hasCentralObject |
Crab Pulsar
NERFINISHED
ⓘ
neutron star ⓘ |
| hasMorphology |
filamentary structure
ⓘ
synchrotron nebula ⓘ |
| hasName |
Crab Nebula
NERFINISHED
ⓘ
M1 NERFINISHED ⓘ NGC 1952 NERFINISHED ⓘ |
| hasRedshift | z ≈ 0.0 ⓘ |
| locatedIn |
Milky Way
ⓘ
Perseus Arm NERFINISHED ⓘ |
| locatedInConstellation | Taurus NERFINISHED ⓘ |
| locatedNear | Zeta Tauri NERFINISHED ⓘ |
| notableFor | being first object in Messier catalog ⓘ |
| observedAs | guest star ⓘ |
| observedBy |
Chinese astronomers
ⓘ
Japanese astronomers ⓘ |
| pulsarSpinFrequency | about 30 Hz ⓘ |
| pulsarSpinPeriod | about 33 milliseconds ⓘ |
| rightAscension | 05h 34m 31.97s ⓘ |
| spectralType | emission nebula ⓘ |
| supernovaEventDesignation | SN 1054 NERFINISHED ⓘ |
| supernovaExplosionYear | 1054 ⓘ |
| visibleIn | small telescopes ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.