And XXVIII
E588664
And XXVIII is a faint dwarf satellite galaxy of the Andromeda Galaxy located in the Local Group.
All labels observed (1)
| Label | Occurrences |
|---|---|
| And XXVIII canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6375750 — 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: And XXVIII Context triple: [Andromeda XXVIII, otherName, And XXVIII]
-
A.
And XXVII
And XXVII is a faint dwarf satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
B.
And XXV
And XXV is a faint dwarf satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
C.
And XXVI
And XXVI is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
D.
And XXIII
And XXIII is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
E.
And XXIX
And XXIX is a faint dwarf satellite galaxy of the Andromeda Galaxy 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: And XXVIII Target entity description: And XXVIII is a faint dwarf satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
A.
And XXVII
And XXVII is a faint dwarf satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
B.
And XXV
And XXV is a faint dwarf satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
C.
And XXVI
And XXVI is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
D.
And XXIII
And XXIII is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
E.
And XXIX
And XXIX is a faint dwarf satellite galaxy of the Andromeda Galaxy located in the Local Group.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf | dwarf spheroidal galaxy ⓘ |
| absoluteMagnitudeV | approximately −8.5 ⓘ |
| alternativeName | Andromeda XXVIII ⓘ |
| apparentMagnitudeV | approximately 15.2 ⓘ |
| contains | red giant branch stars ⓘ |
| darkMatterDominated | true ⓘ |
| discoveredBy |
Pan-STARRS 1 survey
ⓘ
linked to:
Pan-STARRS survey
|
| discoveryMethod | resolved stellar photometry ⓘ |
| discoveryYear | 2012 ⓘ |
| distanceFromAndromedaGalaxy | approximately 380 kiloparsecs ⓘ |
| distanceFromEarth | approximately 650 kiloparsecs ⓘ |
| environment | outer halo of the Andromeda Galaxy ⓘ |
| galaxyType | dwarf spheroidal ⓘ |
| gasContent | gas-poor ⓘ |
| halfLightRadius | approximately 210 parsecs ⓘ |
| hostGalaxy | Andromeda Galaxy ⓘ |
| isSatelliteOf | Andromeda Galaxy ⓘ |
| locatedIn | constellation Andromeda ⓘ |
| luminosity | about 2×10^5 times the luminosity of the Sun ⓘ |
| memberOf | Local Group ⓘ |
| morphologicalType | dSph ⓘ |
| partOf | Andromeda satellite system ⓘ |
| radialVelocity | approximately −331 km/s (heliocentric) ⓘ |
| starFormationActivity | no current star formation ⓘ |
| stellarPopulation |
metal-poor
ⓘ
old ⓘ |
| surfaceBrightness | very 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: And XXVIII Description of subject: And XXVIII is a faint dwarf 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.