And X
E491340
And X is a dwarf spheroidal satellite galaxy of the Andromeda Galaxy (M31) located in the Local Group.
All labels observed (1)
| Label | Occurrences |
|---|---|
| And X canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5060580 — 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 X Context triple: [Andromeda X, otherName, And X]
-
A.
The X
The X is the popular nickname for Xcel Energy Center, a major indoor sports and entertainment arena in Saint Paul, Minnesota.
-
B.
l’X
l’X is the traditional nickname of École Polytechnique, France’s elite engineering grande école renowned for its rigorous scientific education and prestigious alumni.
-
C.
...And Then There Was X
...And Then There Was X is a multi-platinum 1999 hip-hop album by DMX known for hits like "Party Up (Up in Here)" that cemented his mainstream success.
-
D.
Ax
Ax is the surname of the renowned classical pianist Emanuel Ax.
-
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 X Target entity description: And X is a dwarf spheroidal satellite galaxy of the Andromeda Galaxy (M31) located in the Local Group.
-
A.
The X
The X is the popular nickname for Xcel Energy Center, a major indoor sports and entertainment arena in Saint Paul, Minnesota.
-
B.
l’X
l’X is the traditional nickname of École Polytechnique, France’s elite engineering grande école renowned for its rigorous scientific education and prestigious alumni.
-
C.
...And Then There Was X
...And Then There Was X is a multi-platinum 1999 hip-hop album by DMX known for hits like "Party Up (Up in Here)" that cemented his mainstream success.
-
D.
Ax
Ax is the surname of the renowned classical pianist Emanuel Ax.
-
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 (38)
| Predicate | Object |
|---|---|
| instanceOf | dwarf spheroidal galaxy ⓘ |
| absoluteMagnitudeV | about −8.1 ⓘ |
| apparentMagnitudeV | about 16.1 ⓘ |
| belongsTo |
Andromeda subgroup of the Local Group
ⓘ
linked to:
Andromeda subgroup
|
| catalog | Andromeda satellite galaxy catalog ⓘ |
| constellation | Andromeda ⓘ |
| darkMatterDominated | true ⓘ |
| declination | +44° ⓘ |
| discoveredBy |
A. W. McConnachie
ⓘ
M. J. Irwin ⓘ N. F. Martin ⓘ |
| discoveryMethod | analysis of Sloan Digital Sky Survey data ⓘ |
| discoveryYear | 2005 ⓘ |
| distanceFromAndromedaGalaxy | approximately 75 kiloparsecs ⓘ |
| distanceFromEarth | approximately 2.9 million light-years ⓘ |
| environment | halo of the Andromeda Galaxy ⓘ |
| galaxyType | dwarf spheroidal ⓘ |
| gasContent | gas-poor ⓘ |
| gasRich | false ⓘ |
| hostGalaxy | Andromeda Galaxy ⓘ |
| locatedIn | Local Group ⓘ |
| luminosity | about 2×10^5 times the luminosity of the Sun ⓘ |
| massToLightRatio | high ⓘ |
| memberOf | Local Group ⓘ |
| metallicity | low ⓘ |
| observedIn |
near-infrared wavelengths
ⓘ
optical wavelengths ⓘ |
| otherName |
Andromeda X
ⓘ
Andromeda X dSph ⓘ |
| radialVelocity | about −164 km/s ⓘ |
| redshift | approximately −0.001 ⓘ |
| rightAscension | 00h 26m ⓘ |
| satelliteOf | Andromeda Galaxy ⓘ |
| shape | spheroidal ⓘ |
| starFormationActivity | quiescent ⓘ |
| stellarContent | primarily low-mass stars ⓘ |
| stellarPopulation | 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 X Description of subject: And X is a dwarf spheroidal satellite galaxy of the Andromeda Galaxy (M31) located in the Local Group.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.