Andromeda 18
E546624
Andromeda 18 is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located in the Local Group.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Andromeda 18 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5815125 — 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: Andromeda 18 Context triple: [Andromeda XVIII, alsoKnownAs, Andromeda 18]
-
A.
Andromeda 16
Andromeda 16 is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy (M31) located in the Local Group.
-
B.
Andromeda 14
Andromeda 14 is a faint dwarf spheroidal galaxy that is a satellite of the Andromeda Galaxy (M31) in the Local Group.
-
C.
Andromeda 17
Andromeda 17 is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
D.
Andromeda 15
Andromeda 15 is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
E.
Andromeda 11
Andromeda 11 is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy (M31) located in the Local Group.
- 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: Andromeda 18 Target entity description: Andromeda 18 is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
A.
Andromeda 16
Andromeda 16 is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy (M31) located in the Local Group.
-
B.
Andromeda 14
Andromeda 14 is a faint dwarf spheroidal galaxy that is a satellite of the Andromeda Galaxy (M31) in the Local Group.
-
C.
Andromeda 17
Andromeda 17 is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
D.
Andromeda 15
Andromeda 15 is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
E.
Andromeda 11
Andromeda 11 is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy (M31) located in the Local Group.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
dwarf spheroidal galaxy
ⓘ
galaxy in the Local Group ⓘ |
| apparentBrightness | faint ⓘ |
| belongsToGalaxyGroup |
M31 subgroup
ⓘ
linked to:
Andromeda subgroup
|
| belongsToStructure | Local Group dwarf galaxies ⓘ |
| discoveryMethod | resolved stellar photometry ⓘ |
| distanceReferenceObject | Milky Way ⓘ |
| environment | satellite system of Andromeda Galaxy ⓘ |
| galaxyType | dwarf spheroidal galaxy ⓘ |
| gasContent | gas-poor ⓘ |
| hasProperty |
dominated by dark matter
ⓘ
low luminosity ⓘ low surface brightness ⓘ |
| hasStellarPopulation | old stars ⓘ |
| hostGalaxy | Andromeda Galaxy ⓘ |
| isGravitationallyBoundTo | Andromeda Galaxy ⓘ |
| isSatelliteOf | Andromeda Galaxy ⓘ |
| locatedIn |
Local Group
ⓘ
constellation Andromeda ⓘ |
| memberOf | Local Group ⓘ |
| morphologicalType | dSph ⓘ |
| observedIn | optical wavelengths ⓘ |
| otherName |
And 18
ⓘ
And XVIII ⓘ Andromeda XVIII ⓘ |
| starFormationActivity | low ⓘ |
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: Andromeda 18 Description of subject: Andromeda 18 is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located in the Local Group.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.