Andromeda XIX
E129677
Andromeda XIX is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy within the Local Group.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Andromeda XIX canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T869174 — 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 XIX Context triple: [Local Group, contains, Andromeda XIX]
-
A.
Andromeda XVII
Andromeda XVII is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located within the Local Group.
-
B.
Andromeda XIII
Andromeda XIII is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located within the Local Group.
-
C.
Andromeda XVIII
Andromeda XVIII is a faint dwarf spheroidal galaxy in the Local Group, located near the Andromeda Galaxy (M31).
-
D.
Andromeda XVI
Andromeda XVI is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located within the Local Group.
-
E.
Andromeda III
Andromeda III is a dwarf spheroidal satellite galaxy of the Andromeda Galaxy located within 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: Andromeda XIX Target entity description: Andromeda XIX is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy within the Local Group.
-
A.
Andromeda XVII
Andromeda XVII is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located within the Local Group.
-
B.
Andromeda XIII
Andromeda XIII is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located within the Local Group.
-
C.
Andromeda XVIII
Andromeda XVIII is a faint dwarf spheroidal galaxy in the Local Group, located near the Andromeda Galaxy (M31).
-
D.
Andromeda XVI
Andromeda XVI is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located within the Local Group.
-
E.
Andromeda III
Andromeda III is a dwarf spheroidal satellite galaxy of the Andromeda Galaxy located within the Local Group.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
dwarf spheroidal galaxy
ⓘ
galaxy in the Local Group ⓘ satellite galaxy ⓘ |
| absoluteMagnitudeV | approximately −9.3 ⓘ |
| alternateName |
And XIX
ⓘ
Andromeda 19 ⓘ |
| apparentMagnitudeV | approximately 15.6 ⓘ |
| belongsTo |
M31 satellite system
ⓘ
linked to:
Andromeda satellite system
|
| contains | red giant branch stars ⓘ |
| darkMatterDominated | likely ⓘ |
| declination | +35° 02′ ⓘ |
| discoveredBy | PAndAS survey team ⓘ |
| discoveryMethod | Pan-Andromeda Archaeological Survey ⓘ |
| discoveryYear | 2008 ⓘ |
| distanceFromAndromedaGalaxy | approximately 187 kiloparsecs ⓘ |
| distanceFromEarth |
approximately 3.0 million light-years
ⓘ
approximately 933 kiloparsecs ⓘ |
| environment | halo of the Andromeda Galaxy ⓘ |
| galaxyType | dwarf spheroidal ⓘ |
| gasContent | gas-poor ⓘ |
| halfLightRadius | approximately 1.7 kiloparsecs ⓘ |
| hasExtendedStructure | true ⓘ |
| hasVeryLowSurfaceBrightness | true ⓘ |
| hostGalaxy | Andromeda Galaxy ⓘ |
| isFaint | true ⓘ |
| isResolvedIntoStars | true ⓘ |
| locatedIn | constellation Andromeda ⓘ |
| memberOf | Local Group ⓘ |
| metallicity | low ⓘ |
| morphologicalType | dSph ⓘ |
| observedIn | optical wavelengths ⓘ |
| observedWith |
Canada-France-Hawaii Telescope
ⓘ
linked to:
Canada–France–Hawaii Telescope
|
| partOf |
Andromeda subgroup of the Local Group
ⓘ
linked to:
Andromeda subgroup
|
| radialVelocity | approximately −111 km/s ⓘ |
| redshift | approximately −0.001 ⓘ |
| rightAscension | 00h 19m ⓘ |
| satelliteOf | Andromeda Galaxy ⓘ |
| stellarMass | on the order of 10^5 solar masses ⓘ |
| stellarPopulation | old ⓘ |
| surfaceBrightnessV | approximately 29 mag per square arcsecond ⓘ |
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 XIX Description of subject: Andromeda XIX is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy within the Local Group.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.