Helix Nebula
E867056
The Helix Nebula is a large, nearby planetary nebula often called the "Eye of God," formed from the outer layers of a dying Sun-like star and located in the constellation Aquarius.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Helix Nebula canonical | 2 |
| Saturn Nebula | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10489011 — 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: Helix Nebula Context triple: [Aquarius, containsDeepSkyObject, Helix Nebula]
-
A.
Ring Nebula
The Ring Nebula is a famous planetary nebula in the constellation Lyra, known for its bright, ring-shaped shell of ionized gas surrounding a hot central white dwarf.
-
B.
Eskimo Nebula
Eskimo Nebula is a bright planetary nebula in the constellation Gemini, notable for its distinctive, fur-lined parka appearance surrounding a central star.
-
C.
Cone Nebula
The Cone Nebula is a striking, cone-shaped dark nebula and star-forming region located within the constellation Monoceros, known for its dramatic appearance in astrophotography.
-
D.
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.
-
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: Helix Nebula Target entity description: The Helix Nebula is a large, nearby planetary nebula often called the "Eye of God," formed from the outer layers of a dying Sun-like star and located in the constellation Aquarius.
-
A.
Ring Nebula
The Ring Nebula is a famous planetary nebula in the constellation Lyra, known for its bright, ring-shaped shell of ionized gas surrounding a hot central white dwarf.
-
B.
Eskimo Nebula
Eskimo Nebula is a bright planetary nebula in the constellation Gemini, notable for its distinctive, fur-lined parka appearance surrounding a central star.
-
C.
Cone Nebula
The Cone Nebula is a striking, cone-shaped dark nebula and star-forming region located within the constellation Monoceros, known for its dramatic appearance in astrophotography.
-
D.
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.
-
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 (48)
| Predicate | Object |
|---|---|
| instanceOf |
emission nebula
ⓘ
planetary nebula ⓘ |
| alsoKnownAs |
Caldwell 63
ⓘ
Eye of God ⓘ Eye of Sauron Nebula ⓘ NGC 7293 ⓘ |
| angularSize | about 25 arcminutes ⓘ |
| apparentMagnitudeV | 7.6 ⓘ |
| bestSeenFrom | Southern Hemisphere ⓘ |
| bestSeenInMonth |
August
ⓘ
October ⓘ September ⓘ |
| catalogCode |
Caldwell 63
ⓘ
NGC 7293 ⓘ |
| centralStarApparentMagnitudeV | 13.5 ⓘ |
| centralStarEffectiveTemperature | about 120000 K ⓘ |
| centralStarInstanceOf | white dwarf ⓘ |
| centralStarSpectralType | DAO ⓘ |
| contains |
cometary knots
ⓘ
dust ⓘ ionized hydrogen gas ⓘ ionized oxygen gas ⓘ molecular hydrogen ⓘ |
| declination | −20° 50′ 13.6″ ⓘ |
| discoveredBy | Karl Ludwig Harding ⓘ |
| discoveryDate | 1824 ⓘ |
| distanceFromEarth |
about 200 parsecs
ⓘ
about 650 light-years ⓘ |
| estimatedAge | about 10000 years ⓘ |
| expansionVelocity | about 20 km/s ⓘ |
| formedBy | stellar mass loss ⓘ |
| galacticLatitude | −57.1° ⓘ |
| galacticLongitude | 36.1° ⓘ |
| hasShape |
barrel-shaped 3D structure
ⓘ
ring-like structure ⓘ |
| locatedIn |
Galactic disk
ⓘ
Milky Way ⓘ |
| locatedInConstellation | Aquarius ⓘ |
| observedIn |
X-ray wavelengths
ⓘ
infrared wavelengths ⓘ optical wavelengths ⓘ ultraviolet wavelengths ⓘ |
| originatesFrom | outer layers of a dying Sun-like star ⓘ |
| partOf |
Caldwell catalogue
ⓘ
New General Catalogue ⓘ |
| rightAscension | 22h 29m 38.55s ⓘ |
| visibleWith |
large binoculars
ⓘ
small telescope ⓘ |
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: Helix Nebula Description of subject: The Helix Nebula is a large, nearby planetary nebula often called the "Eye of God," formed from the outer layers of a dying Sun-like star and located in the constellation Aquarius.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Helix Nebula