NGC 2024
E460825
NGC 2024, also known as the Flame Nebula, is a bright emission nebula and active star-forming region located in the constellation Orion near the Horsehead Nebula.
All labels observed (1)
| Label | Occurrences |
|---|---|
| NGC 2024 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4617564 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: NGC 2024 Context triple: [Orion Molecular Cloud Complex, contains, NGC 2024]
-
A.
NGC 224
NGC 224 is the Andromeda Galaxy, a massive spiral galaxy and the closest major galactic neighbor to the Milky Way.
-
B.
NGC 2246
NGC 2246 is a catalog designation for a bright emission region within the Rosette Nebula, a large star-forming complex in the constellation Monoceros.
-
C.
NGC 205
NGC 205 is a dwarf elliptical satellite galaxy of the Andromeda Galaxy, notable for its proximity to the Local Group’s largest spiral and its mixed old and young stellar populations.
-
D.
NGC 6205
NGC 6205 is a bright, densely packed globular star cluster in the constellation Hercules, commonly known as the Great Hercules Cluster (M13).
-
E.
NGC 7320
NGC 7320 is a foreground spiral galaxy in the constellation Pegasus that appears as part of Stephan’s Quintet but is actually much closer to Earth than the other members.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: NGC 2024 Target entity description: NGC 2024, also known as the Flame Nebula, is a bright emission nebula and active star-forming region located in the constellation Orion near the Horsehead Nebula.
-
A.
NGC 224
NGC 224 is the Andromeda Galaxy, a massive spiral galaxy and the closest major galactic neighbor to the Milky Way.
-
B.
NGC 2246
NGC 2246 is a catalog designation for a bright emission region within the Rosette Nebula, a large star-forming complex in the constellation Monoceros.
-
C.
NGC 205
NGC 205 is a dwarf elliptical satellite galaxy of the Andromeda Galaxy, notable for its proximity to the Local Group’s largest spiral and its mixed old and young stellar populations.
-
D.
NGC 6205
NGC 6205 is a bright, densely packed globular star cluster in the constellation Hercules, commonly known as the Great Hercules Cluster (M13).
-
E.
NGC 7320
NGC 7320 is a foreground spiral galaxy in the constellation Pegasus that appears as part of Stephan’s Quintet but is actually much closer to Earth than the other members.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
H II region
ⓘ
astronomical object ⓘ emission nebula ⓘ star-forming region ⓘ |
| ageOfEmbeddedCluster | ~200,000 years ⓘ |
| angularSize | ~30 arcminutes ⓘ |
| apparentMagnitudeV | ~10.0 ⓘ |
| bestSeenIn |
long-exposure astrophotography
ⓘ
wide-field telescopes ⓘ |
| catalog | New General Catalogue NERFINISHED ⓘ |
| contains |
dense molecular gas
ⓘ
dust lanes ⓘ embedded star cluster ⓘ pre-main-sequence stars ⓘ protostars ⓘ young stellar objects ⓘ |
| declination | −01° 51′ ⓘ |
| discoveredBy | William Herschel NERFINISHED ⓘ |
| discoveryDate | 1786 ⓘ |
| distanceFromEarth |
~1350 light-years
ⓘ
~415 parsecs ⓘ |
| dominantEmissionLines |
[O III]
ⓘ
[S II] ⓘ hydrogen alpha ⓘ |
| galacticLatitude | −16.3° ⓘ |
| galacticLongitude | 206.5° ⓘ |
| hasAlternativeName | Flame Nebula NERFINISHED ⓘ |
| hasColor | reddish ⓘ |
| hasInfraredExcessSources | yes ⓘ |
| hasNotableFeature | dark dust lane resembling flames ⓘ |
| hasStarFormationActivity | ongoing ⓘ |
| hasXRayEmission | yes ⓘ |
| ionizingSource | Alnitak NERFINISHED ⓘ |
| locatedIn |
Milky Way
ⓘ
Orion Molecular Cloud Complex NERFINISHED ⓘ |
| locatedInConstellation | Orion NERFINISHED ⓘ |
| nearObject |
Alnitak
NERFINISHED
ⓘ
Horsehead Nebula NERFINISHED ⓘ |
| obscuredBy | interstellar dust ⓘ |
| observedInSurvey |
Chandra X-ray Observatory
NERFINISHED
ⓘ
Hubble Space Telescope NERFINISHED ⓘ Spitzer Space Telescope NERFINISHED ⓘ Very Large Array NERFINISHED ⓘ |
| partOf | Orion B molecular cloud NERFINISHED ⓘ |
| regionType | massive star-forming region ⓘ |
| rightAscension | 05h 41m ⓘ |
| spectralType | H II emission ⓘ |
| visibleIn |
infrared wavelengths
ⓘ
optical wavelengths ⓘ radio wavelengths ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: NGC 2024 Description of subject: NGC 2024, also known as the Flame Nebula, is a bright emission nebula and active star-forming region located in the constellation Orion near the Horsehead Nebula.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.