And XX
E559337
And XX is an alternative designation for the variable star Andromeda XX, located in the constellation Andromeda.
All labels observed (1)
| Label | Occurrences |
|---|---|
| And XX canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5966623 — 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 XX Context triple: [Andromeda XX, hasAlternativeName, And XX]
-
A.
And X
And X is a dwarf spheroidal satellite galaxy of the Andromeda Galaxy (M31) located in the Local Group.
-
B.
And XXIX
And XXIX is a faint dwarf satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
C.
And XV
And XV is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
D.
And XVIII
And XVIII is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
E.
Double X
Double X is the famous nickname of Hall of Fame Major League Baseball slugger Jimmie Foxx, one of the most powerful hitters of the 1930s and 1940s.
- 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 XX Target entity description: And XX is an alternative designation for the variable star Andromeda XX, located in the constellation Andromeda.
-
A.
And X
And X is a dwarf spheroidal satellite galaxy of the Andromeda Galaxy (M31) located in the Local Group.
-
B.
And XXIX
And XXIX is a faint dwarf satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
C.
And XV
And XV is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
D.
And XVIII
And XVIII is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
E.
Double X
Double X is the famous nickname of Hall of Fame Major League Baseball slugger Jimmie Foxx, one of the most powerful hitters of the 1930s and 1940s.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Local Group galaxy
ⓘ
dwarf spheroidal galaxy ⓘ |
| absoluteMagnitudeV | approximately −6.3 ⓘ |
| alternativeName |
And XX dSph
ⓘ
Andromeda XX ⓘ |
| apparentMagnitudeV | approximately 17.0 ⓘ |
| belongsTo | population of faint M31 dwarf spheroidals ⓘ |
| celestialCategory | galaxy ⓘ |
| coordinateSystem | equatorial ⓘ |
| darkMatterDominated | yes ⓘ |
| declination | +35° (approximate) ⓘ |
| discoveredBy |
M. J. Irwin
ⓘ
T. S. Chapman ⓘ collaborators ⓘ |
| discoveryMethod | analysis of wide-field imaging surveys ⓘ |
| discoveryYear | 2011 ⓘ |
| distanceFromAndromedaGalaxy | approximately 130 kiloparsecs ⓘ |
| distanceFromEarth | approximately 800 kiloparsecs ⓘ |
| galacticEnvironment | halo of the Andromeda Galaxy ⓘ |
| gasContent | gas-poor ⓘ |
| gasRich | no ⓘ |
| halfLightRadius | approximately 100 parsecs ⓘ |
| hasGlobularClusters | none known ⓘ |
| hasStarFormationActivity | negligible ⓘ |
| hostGalaxy | Andromeda Galaxy ⓘ |
| hostSystem |
M31 satellite system
ⓘ
linked to:
Andromeda satellite system
|
| isGravitationallyBoundTo | Andromeda Galaxy ⓘ |
| isPartOf |
Andromeda subgroup of Local Group
ⓘ
linked to:
Andromeda subgroup
|
| isResolvedIntoStars | yes ⓘ |
| isUltraFaintDwarf | yes ⓘ |
| locatedInConstellation | Andromeda ⓘ |
| luminosityClass | low-luminosity dwarf galaxy ⓘ |
| memberOf | Local Group ⓘ |
| metallicity | low ⓘ |
| morphologicalType | dSph ⓘ |
| observedIn |
near-infrared wavelengths
ⓘ
optical wavelengths ⓘ |
| observedWith |
Canada-France-Hawaii Telescope
ⓘ
linked to:
Canada–France–Hawaii Telescope
Subaru Telescope ⓘ other ground-based telescopes ⓘ |
| redshift | approximately 0 ⓘ |
| rightAscension | 00h 07m (approximate) ⓘ |
| satelliteOf | Andromeda Galaxy ⓘ |
| skyLocation | northern celestial hemisphere ⓘ |
| stellarPopulation | old, metal-poor stars ⓘ |
| 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 XX Description of subject: And XX is an alternative designation for the variable star Andromeda XX, located in the constellation Andromeda.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.