Monoceros Loop supernova remnant
E545072
The Monoceros Loop supernova remnant is a large, faint shell of gas and dust in the constellation Monoceros, believed to be the remains of an ancient supernova explosion.
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical object
ⓘ
supernova remnant ⓘ |
| age | on the order of 30,000 to 150,000 years ⓘ |
| angularSize | about 220 arcminutes ⓘ |
| appearance | large faint shell of gas and dust ⓘ |
| associatedWith |
Monoceros OB2 association
NERFINISHED
ⓘ
Rosette Nebula region NERFINISHED ⓘ |
| category | shell-type supernova remnant ⓘ |
| component |
expanding shell of shocked interstellar medium
ⓘ
filamentary optical structures ⓘ radio synchrotron-emitting plasma ⓘ |
| composition |
dust
ⓘ
ionized hydrogen gas ⓘ magnetized plasma ⓘ |
| constellation | Monoceros NERFINISHED ⓘ |
| discoveredBy | radio observations in the mid-20th century ⓘ |
| distanceFromEarth |
approximately 1 kiloparsec
ⓘ
approximately 3000 light-years ⓘ |
| emissionType |
non-thermal radio emission
ⓘ
optical emission from ionized gas ⓘ |
| environment | interstellar medium of the Milky Way ⓘ |
| expansion | expanding into surrounding interstellar medium ⓘ |
| galacticLatitude | +0.5 degrees ⓘ |
| galacticLongitude | 205.5 degrees ⓘ |
| hasShape | roughly circular shell ⓘ |
| locatedIn |
Galactic disk
NERFINISHED
ⓘ
Milky Way ⓘ |
| notableFor |
large angular size on the sky
ⓘ
low surface brightness ⓘ |
| observedIn |
X-ray wavelengths
ⓘ
optical wavelengths ⓘ radio wavelengths ⓘ |
| origin | remnant of a supernova explosion ⓘ |
| otherName |
G205.5+0.5
NERFINISHED
ⓘ
Monoceros Loop NERFINISHED ⓘ SNR G205.5+0.5 NERFINISHED ⓘ |
| partOf | Galactic anti-center region ⓘ |
| physicalProcess |
particle acceleration
ⓘ
shock waves from supernova explosion ⓘ synchrotron radiation ⓘ |
| researchUse |
studies of cosmic ray acceleration
ⓘ
studies of supernova remnant evolution ⓘ |
| skyLocation | near the Rosette Nebula in Monoceros ⓘ |
| studiedIn |
X-ray astronomy
ⓘ
optical astronomy ⓘ radio astronomy ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.