M43

E459021

M43 is a bright emission nebula in the constellation Orion, often considered part of the Orion Nebula region and associated with active star formation.

All labels observed (1)

Label Occurrences
M43 canonical 2

How this entity was disambiguated

Statements (45)

Predicate Object
instanceOf H II region ⓘ
Messier object ⓘ
deep-sky object ⓘ
emission nebula ⓘ
alsoKnownAs De Mairan's Nebula ⓘ
angularSeparationFrom M42 ⓘ
appearsNear Orion's Sword ⓘ
associatedWith star formation ⓘ
bestSeenFrom mid-northern latitudes ⓘ
bestSeenInSeason winter ⓘ
catalogCode M43 ⓘ
Messier 43 ⓘ
NGC 1982 ⓘ
linked to: NGC 1977
contains interstellar dust ⓘ
ionized hydrogen gas ⓘ
discoveredBy Jean-Jacques d'Ortous de Mairan ⓘ
discoveryCentury 18th century ⓘ
hasApparentBrightness bright ⓘ
hasAstrophysicalProcess gas ionization ⓘ
ongoing star formation ⓘ
hasFeature bright emission region ⓘ
dark dust lane ⓘ
hasObjectType H II emission region ⓘ
hasPhysicalAssociationWith M42 ⓘ
hasScientificInterest massive star formation studies ⓘ
nebular structure studies ⓘ
inGalacticStructure Orion Arm ⓘ
inGalaxy Milky Way ⓘ
ionizationSource massive young stars ⓘ
isNeighborOf Running Man Nebula ⓘ
isPartOf Orion Molecular Cloud Complex ⓘ
isPartOfRegion Orion Nebula region ⓘ
isTargetFor amateur astronomers ⓘ
astrophotographers ⓘ
professional astronomers ⓘ
locatedInConstellation Orion ⓘ
namedAfter Jean-Jacques d'Ortous de Mairan ⓘ
nebulaType diffuse nebula ⓘ
observedIn infrared wavelengths ⓘ
optical wavelengths ⓘ
radio wavelengths ⓘ
partOf Orion Nebula complex ⓘ
skyLocation Orion's Sword region ⓘ
linked to: Orion's Sword
visibleFromHemisphere Northern Hemisphere ⓘ
Southern Hemisphere ⓘ

How these facts were elicited

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Orion → containsDeepSkyObject → M43 ⓘ
subject linked to: Orion constellation