Andromeda II
E103069
Andromeda II is a dwarf spheroidal satellite galaxy of the Andromeda Galaxy (M31) located within the Local Group.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Andromeda II canonical | 9 |
How this entity was disambiguated
This entity first appeared as the object of triple T869158 — 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 II Context triple: [Local Group, contains, Andromeda II]
-
A.
Point Omega
Point Omega is a short, meditative novel by Don DeLillo that explores themes of time, war, and consciousness through the encounter between a reclusive war theorist and a young filmmaker in the desert.
-
B.
Illangelo
Illangelo is a Canadian record producer and songwriter best known for his dark, atmospheric work with The Weeknd and contributions to contemporary R&B and pop music.
-
C.
Galatea of the Spheres
Galatea of the Spheres is a 1952 surrealist painting by Salvador Dalí that depicts a fragmented, spherical representation of his wife Gala, reflecting his fascination with nuclear physics and mysticism.
-
D.
Ratner’s Star
Ratner’s Star is a dense, experimental novel by Don DeLillo that blends science fiction, mathematics, and satire in its portrayal of a young math prodigy deciphering a mysterious signal from space.
-
E.
Dawn
Dawn is a novel by Elie Wiesel that explores the moral and psychological struggles of a young Holocaust survivor involved in a Jewish underground movement in British-controlled Palestine.
- 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 II Target entity description: Andromeda II is a dwarf spheroidal satellite galaxy of the Andromeda Galaxy (M31) located within the Local Group.
-
A.
Point Omega
Point Omega is a short, meditative novel by Don DeLillo that explores themes of time, war, and consciousness through the encounter between a reclusive war theorist and a young filmmaker in the desert.
-
B.
Illangelo
Illangelo is a Canadian record producer and songwriter best known for his dark, atmospheric work with The Weeknd and contributions to contemporary R&B and pop music.
-
C.
Galatea of the Spheres
Galatea of the Spheres is a 1952 surrealist painting by Salvador Dalí that depicts a fragmented, spherical representation of his wife Gala, reflecting his fascination with nuclear physics and mysticism.
-
D.
Ratner’s Star
Ratner’s Star is a dense, experimental novel by Don DeLillo that blends science fiction, mathematics, and satire in its portrayal of a young math prodigy deciphering a mysterious signal from space.
-
E.
Dawn
Dawn is a novel by Elie Wiesel that explores the moral and psychological struggles of a young Holocaust survivor involved in a Jewish underground movement in British-controlled Palestine.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Local Group galaxy
ⓘ
dwarf spheroidal galaxy ⓘ satellite galaxy ⓘ |
| absoluteMagnitudeV | about −12.6 ⓘ |
| alternateName |
And II
ⓘ
Andromeda Dwarf II ⓘ |
| apparentMagnitudeV | about 14.5 ⓘ |
| belongsTo |
Andromeda subgroup of the Local Group
ⓘ
linked to:
Andromeda subgroup
|
| catalogDesignation | And II ⓘ |
| clusterMembership | none (field dwarf in M31 halo) ⓘ |
| contains | red giant branch stars ⓘ |
| coordinateSystem | equatorial ⓘ |
| darkMatterContent | dark-matter-dominated ⓘ |
| declination | +33° 26′ ⓘ |
| discoveredBy | Sidney van den Bergh ⓘ |
| discoveryMethod | photographic plates ⓘ |
| discoveryYear | 1970 ⓘ |
| distanceFromAndromedaGalaxy | about 185,000 light-years ⓘ |
| distanceFromEarth | about 2.2 million light-years ⓘ |
| environment | satellite system of M31 ⓘ |
| galaxyType | dwarf spheroidal galaxy ⓘ |
| gasContent | very low neutral gas content ⓘ |
| halfLightRadius | about 1.1 kiloparsecs ⓘ |
| has |
intermediate-age stellar population
ⓘ
no significant current star formation ⓘ old metal-poor stars ⓘ |
| hostGalaxy | Andromeda Galaxy ⓘ |
| locatedIn |
Local Group
ⓘ
constellation Andromeda ⓘ |
| luminosityV | on the order of 10^7 solar luminosities ⓘ |
| massToLightRatio | high ⓘ |
| memberOf | Local Group ⓘ |
| metallicity | low ⓘ |
| observedIn |
near-infrared wavelengths
ⓘ
optical wavelengths ⓘ |
| orbitsWithin | halo of the Andromeda Galaxy ⓘ |
| radialVelocity | about −188 km/s ⓘ |
| rightAscension | about 01h 16m ⓘ |
| satelliteOf |
Andromeda Galaxy
ⓘ
M31 ⓘ
linked to:
Andromeda Galaxy
|
| shape | spheroidal ⓘ |
| shows |
evidence of multiple stellar populations
ⓘ
evidence of past merger event ⓘ |
| stellarMass | on the order of 10^7 solar masses ⓘ |
| stellarPopulation | old ⓘ |
| surfaceBrightness | 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 II Description of subject: Andromeda II is a dwarf spheroidal satellite galaxy of the Andromeda Galaxy (M31) located within the Local Group.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.