Andromeda IV
E106310
Andromeda IV is a faint dwarf irregular galaxy located near the Andromeda Galaxy and belonging to the Local Group of galaxies.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Andromeda IV canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T869160 — 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 IV Context triple: [Local Group, contains, Andromeda IV]
-
A.
Andromeda III
Andromeda III is a dwarf spheroidal satellite galaxy of the Andromeda Galaxy located within the Local Group.
-
B.
Andromeda II
Andromeda II is a dwarf spheroidal satellite galaxy of the Andromeda Galaxy (M31) located within the Local Group.
-
C.
Andromeda I
Andromeda I is a dwarf spheroidal satellite galaxy of the Andromeda Galaxy (M31) located within the Local Group.
-
D.
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.
-
E.
Cosmia
"Cosmia" is a song by American singer-songwriter Joanna Newsom, known for its intricate harp arrangements and poetic, emotionally rich lyrics.
- 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 IV Target entity description: Andromeda IV is a faint dwarf irregular galaxy located near the Andromeda Galaxy and belonging to the Local Group of galaxies.
-
A.
Andromeda III
Andromeda III is a dwarf spheroidal satellite galaxy of the Andromeda Galaxy located within the Local Group.
-
B.
Andromeda II
Andromeda II is a dwarf spheroidal satellite galaxy of the Andromeda Galaxy (M31) located within the Local Group.
-
C.
Andromeda I
Andromeda I is a dwarf spheroidal satellite galaxy of the Andromeda Galaxy (M31) located within the Local Group.
-
D.
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.
-
E.
Cosmia
"Cosmia" is a song by American singer-songwriter Joanna Newsom, known for its intricate harp arrangements and poetic, emotionally rich lyrics.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical object
ⓘ
dwarf irregular galaxy ⓘ galaxy ⓘ |
| absoluteMagnitudeV | about −12.6 ⓘ |
| angularSize | about 1.3 arcminutes ⓘ |
| apparentMagnitudeV | about 16.6 ⓘ |
| belongsToGalaxyGroup |
Andromeda subgroup of the Local Group
ⓘ
linked to:
Andromeda subgroup
|
| constellation |
Andromeda
ⓘ
linked to:
Andromeda Galaxy
|
| darkMatterContent | dark-matter-dominated ⓘ |
| declination | +40° 34′ ⓘ |
| discoveredBy | Sidney van den Bergh ⓘ |
| discoveryMethod | photographic plates ⓘ |
| discoveryYear | 1972 ⓘ |
| distanceFromAndromedaGalaxy | about 2.3 million light-years ⓘ |
| distanceFromEarth |
about 2.2 megaparsecs
ⓘ
about 7.2 million light-years ⓘ |
| galaxyType | dwarf irregular galaxy ⓘ |
| hasProperty |
gas-rich
ⓘ
isolated within the Local Group ⓘ low surface brightness ⓘ |
| hasStellarPopulation |
old stars
ⓘ
young stars ⓘ |
| hydrogenContent | rich in neutral hydrogen (HI) ⓘ |
| locatedIn | Local Group ⓘ |
| locatedNear | Andromeda Galaxy ⓘ |
| massToLightRatio | high ⓘ |
| memberOf | Local Group ⓘ |
| metallicity | low metallicity ⓘ |
| morphologicalType | Im ⓘ |
| notableFor |
being a faint dwarf irregular companion of the Andromeda Galaxy
ⓘ
high gas content relative to its luminosity ⓘ |
| observedIn |
optical wavelengths
ⓘ
radio wavelengths ⓘ |
| otherName |
And IV
ⓘ
linked to:
IV
PGC 2121 ⓘ UGC 64 ⓘ |
| radialVelocity | about 256 km/s ⓘ |
| redshift | 0.000854 ⓘ |
| rightAscension | 00h 42m 32s ⓘ |
| starFormationActivity | low but ongoing ⓘ |
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 IV Description of subject: Andromeda IV is a faint dwarf irregular galaxy located near the Andromeda Galaxy and belonging to the Local Group of galaxies.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.