Andromeda IX
E111952
Andromeda IX is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located within the Local Group.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Andromeda IX canonical | 9 |
How this entity was disambiguated
This entity first appeared as the object of triple T869164 — 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 IX Context triple: [Local Group, contains, Andromeda IX]
-
A.
Andromeda I
Andromeda I is a dwarf spheroidal satellite galaxy of the Andromeda Galaxy (M31) located within the Local Group.
-
B.
Andromeda IV
Andromeda IV is a faint dwarf irregular galaxy located near the Andromeda Galaxy and belonging to the Local Group of galaxies.
-
C.
Andromeda V
Andromeda V is a faint dwarf spheroidal galaxy that orbits the Andromeda Galaxy within the Local Group.
-
D.
Andromeda VII
Andromeda VII is a dwarf spheroidal satellite galaxy of the Andromeda Galaxy located within the Local Group.
-
E.
Ursa Minor Beta
Ursa Minor Beta is a fictional planet in Douglas Adams' "The Hitchhiker's Guide to the Galaxy" series, best known as the corporate home of the Guide itself.
- 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 IX Target entity description: Andromeda IX is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located within the Local Group.
-
A.
Andromeda I
Andromeda I is a dwarf spheroidal satellite galaxy of the Andromeda Galaxy (M31) located within the Local Group.
-
B.
Andromeda IV
Andromeda IV is a faint dwarf irregular galaxy located near the Andromeda Galaxy and belonging to the Local Group of galaxies.
-
C.
Andromeda V
Andromeda V is a faint dwarf spheroidal galaxy that orbits the Andromeda Galaxy within the Local Group.
-
D.
Andromeda VII
Andromeda VII is a dwarf spheroidal satellite galaxy of the Andromeda Galaxy located within the Local Group.
-
E.
Ursa Minor Beta
Ursa Minor Beta is a fictional planet in Douglas Adams' "The Hitchhiker's Guide to the Galaxy" series, best known as the corporate home of the Guide itself.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical object
ⓘ
dwarf spheroidal galaxy ⓘ satellite galaxy ⓘ |
| absoluteMagnitudeV | about −8.3 ⓘ |
| apparentMagnitudeV | about 16.2 ⓘ |
| belongsTo | halo of the Andromeda Galaxy ⓘ |
| category |
Local Group dwarf galaxy
ⓘ
satellite galaxy of Andromeda ⓘ |
| constellation | Andromeda ⓘ |
| darkMatterContent | dark-matter-dominated ⓘ |
| declination | +43° (approximate) ⓘ |
| discoveredBy |
A. W. McConnachie
ⓘ
M. J. Irwin ⓘ N. F. Martin ⓘ |
| discoveryMethod | analysis of Sloan Digital Sky Survey data ⓘ |
| discoveryYear | 2004 ⓘ |
| distanceFromAndromedaGalaxy | approximately 45 kiloparsecs ⓘ |
| distanceFromEarth | approximately 780 kiloparsecs ⓘ |
| environment | satellite system of the Andromeda Galaxy ⓘ |
| galaxyType | dwarf spheroidal galaxy ⓘ |
| gasContent | gas-poor ⓘ |
| hostGalaxy | Andromeda Galaxy ⓘ |
| locatedIn |
Andromeda subgroup
ⓘ
Local Group ⓘ |
| luminosity | very low luminosity ⓘ |
| memberOf | Local Group ⓘ |
| metallicity | low metallicity ⓘ |
| morphology | spheroidal ⓘ |
| notableFor | being one of the faintest known galaxies at time of discovery ⓘ |
| observedIn | optical wavelengths ⓘ |
| orbitalContext | orbits within the dark matter halo of the Andromeda Galaxy ⓘ |
| otherDesignation | And IX ⓘ |
| redshift | approximately −0.001 (approaching) ⓘ |
| rightAscension | 00h 52m (approximate) ⓘ |
| satelliteOf | Andromeda Galaxy ⓘ |
| shape | roughly spherical ⓘ |
| starFormationActivity | no current significant star formation ⓘ |
| stellarPopulation | old stars ⓘ |
| surfaceBrightness | very low surface brightness ⓘ |
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 IX Description of subject: Andromeda IX is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located within the Local Group.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.