Eskimo Nebula
E531027
Eskimo Nebula is a bright planetary nebula in the constellation Gemini, notable for its distinctive, fur-lined parka appearance surrounding a central star.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Eskimo Nebula canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5573247 — 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: Eskimo Nebula Context triple: [Gemini, containsDeepSkyObject, Eskimo Nebula]
-
A.
Pelican Nebula
The Pelican Nebula is a bright emission nebula in the constellation Cygnus, notable for its bird-like shape and active star-forming regions.
-
B.
Rosette Nebula
The Rosette Nebula is a large, circular emission nebula and active star-forming region located in the Milky Way, notable for its striking rose-like appearance in astrophotography.
-
C.
Pacman Nebula
The Pacman Nebula is a bright emission nebula in the constellation Cassiopeia, notable for its star-forming regions and distinctive shape that resembles the classic video game character Pac-Man.
-
D.
Swan Nebula
The Swan Nebula, also known as M17 or the Omega Nebula, is a bright star-forming emission nebula in the constellation Sagittarius, rich in gas, dust, and young massive stars.
-
E.
Omega Nebula
The Omega Nebula is a bright, star-forming emission nebula and H II region located in the constellation Sagittarius, known for its distinctive swan-like shape and rich young star clusters.
- 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: Eskimo Nebula Target entity description: Eskimo Nebula is a bright planetary nebula in the constellation Gemini, notable for its distinctive, fur-lined parka appearance surrounding a central star.
-
A.
Pelican Nebula
The Pelican Nebula is a bright emission nebula in the constellation Cygnus, notable for its bird-like shape and active star-forming regions.
-
B.
Rosette Nebula
The Rosette Nebula is a large, circular emission nebula and active star-forming region located in the Milky Way, notable for its striking rose-like appearance in astrophotography.
-
C.
Pacman Nebula
The Pacman Nebula is a bright emission nebula in the constellation Cassiopeia, notable for its star-forming regions and distinctive shape that resembles the classic video game character Pac-Man.
-
D.
Swan Nebula
The Swan Nebula, also known as M17 or the Omega Nebula, is a bright star-forming emission nebula in the constellation Sagittarius, rich in gas, dust, and young massive stars.
-
E.
Omega Nebula
The Omega Nebula is a bright, star-forming emission nebula and H II region located in the constellation Sagittarius, known for its distinctive swan-like shape and rich young star clusters.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
emission nebula
ⓘ
planetary nebula ⓘ |
| angularSize | 0.8 arcminutes ⓘ |
| apparentMagnitudeV | 8.6 ⓘ |
| bestSeenInMonth | February ⓘ |
| bestSeenInSeason | winter ⓘ |
| catalog |
Caldwell catalogue
NERFINISHED
ⓘ
New General Catalogue NERFINISHED ⓘ |
| catalogNumber |
Caldwell 39
NERFINISHED
ⓘ
NGC 2392 NERFINISHED ⓘ |
| centralStar | central star of NGC 2392 ⓘ |
| centralStarApparentMagnitude | about 10.5 ⓘ |
| centralStarEffectiveTemperature | about 40,000 K ⓘ |
| centralStarSpectralType | O-type ⓘ |
| declination | +20° 54′ 42″ ⓘ |
| discoveredBy | William Herschel NERFINISHED ⓘ |
| discoveryDate | 1787 ⓘ |
| distanceFromEarth |
approximately 2,870 light-years
ⓘ
approximately 880 parsecs ⓘ |
| dominantEmissionLines |
H-alpha
ⓘ
He II ⓘ [O III] NERFINISHED ⓘ |
| equatorialCoordinateSystem | J2000 ⓘ |
| evolutionaryPhase | late stage of stellar evolution ⓘ |
| excitationMechanism | ultraviolet radiation from hot central star ⓘ |
| hasAlternativeName |
Caldwell 39
NERFINISHED
ⓘ
Clown Nebula NERFINISHED ⓘ Clownface Nebula NERFINISHED ⓘ Eskimo Planetary Nebula NERFINISHED ⓘ NGC 2392 NERFINISHED ⓘ |
| hasStructure |
bright inner disk
ⓘ
fainter outer envelope ⓘ radial filaments and knots ⓘ |
| IAUConstellationAbbreviation | Gem NERFINISHED ⓘ |
| locatedInConstellation | Gemini NERFINISHED ⓘ |
| locatedInGalaxy | Milky Way NERFINISHED ⓘ |
| morphologicalType | double-shell planetary nebula ⓘ |
| notableFor |
bright inner shell resembling a fur-lined parka
ⓘ
complex filamentary outer shell ⓘ high surface brightness ⓘ |
| observedByTelescope | Hubble Space Telescope NERFINISHED ⓘ |
| observedIn |
X-ray wavelengths
ⓘ
infrared wavelengths ⓘ optical wavelengths ⓘ |
| originatesFrom | ejected outer layers of a low- to intermediate-mass star ⓘ |
| radialVelocity | approximately +70 km/s ⓘ |
| requiresOpticalAid | small telescope ⓘ |
| rightAscension | 07h 29m 10.8s ⓘ |
| visibleFromHemisphere | Northern Hemisphere NERFINISHED ⓘ |
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: Eskimo Nebula Description of subject: Eskimo Nebula is a bright planetary nebula in the constellation Gemini, notable for its distinctive, fur-lined parka appearance surrounding a central star.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.