NGC 2023 reflection nebula
E459027
NGC 2023 is a bright reflection nebula in the constellation Orion, illuminated by a young B-type star and noted for its complex dust structures and role in studies of star formation.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| NGC 2023 | 0 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical object
ⓘ
nebula ⓘ reflection nebula ⓘ |
| angularSize | ~10 arcminutes ⓘ |
| catalog | New General Catalogue NERFINISHED ⓘ |
| discoveredBy | William Herschel NERFINISHED ⓘ |
| discoveryMethod | optical observation ⓘ |
| distanceFromEarth |
~1300 light-years
ⓘ
~400 parsecs ⓘ |
| hasCentralStar | HD 37903 NERFINISHED ⓘ |
| hasDeclination | −02° 16′ ⓘ |
| hasDust | complex dust structures ⓘ |
| hasDustTemperature | ~50–80 K ⓘ |
| hasEnvironment | dense molecular cloud ⓘ |
| hasFeature |
infrared emission from dust
ⓘ
photodissociation region ⓘ polycyclic aromatic hydrocarbon emission ⓘ reflection-dominated continuum ⓘ |
| hasGasComponent |
atomic hydrogen
ⓘ
carbon monoxide ⓘ molecular hydrogen ⓘ |
| hasMorphology | bright reflection nebula ⓘ |
| hasObservationBy |
Herschel Space Observatory
NERFINISHED
ⓘ
Hubble Space Telescope NERFINISHED ⓘ Spitzer Space Telescope NERFINISHED ⓘ ground-based telescopes ⓘ |
| hasRightAscension | 05h 41m ⓘ |
| hasSpectralTypeOfExcitingStar | B1.5V ⓘ |
| illuminatedBy |
B-type star
ⓘ
HD 37903 NERFINISHED ⓘ |
| isBrightIn |
far-infrared
ⓘ
mid-infrared ⓘ near-infrared ⓘ |
| locatedIn |
Milky Way
ⓘ
Orion Molecular Cloud Complex NERFINISHED ⓘ |
| locatedInConstellation | Orion NERFINISHED ⓘ |
| near |
Alnitak
NERFINISHED
ⓘ
Horsehead Nebula NERFINISHED ⓘ IC 434 NERFINISHED ⓘ |
| observedIn |
infrared wavelengths
ⓘ
optical wavelengths ⓘ submillimeter wavelengths ⓘ |
| partOf | Horsehead Nebula region NERFINISHED ⓘ |
| usedForStudyOf |
interstellar dust
ⓘ
molecular cloud structure ⓘ photodissociation regions ⓘ star formation ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.