Tucana V
E492363
Tucana V is a faint, ultra-diffuse dwarf galaxy or star cluster candidate located in the constellation Tucana and associated with the Milky Way’s outer halo.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T5089075 — 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: Tucana V Context triple: [Tucana, contains, Tucana V]
-
A.
Quitu
Quitu were an indigenous pre-Inca people of the Andean region, associated with the area around present-day Quito in Ecuador.
-
B.
Volans
Volans is a small southern sky constellation representing a flying fish, located near the Large Magellanic Cloud.
-
C.
Tuyo
"Tuyo" is a bolero-style song by Rodrigo Amarante, best known as the haunting opening theme of the television series *Narcos*.
-
D.
Matucana
Matucana is a small Andean town in Peru that serves as the capital of Huarochirí Province in the Lima Region.
-
E.
Tayk
Tayk was an ancient historical region in the southwestern Caucasus, associated with Armenian and later Georgian polities and known for its strategic location and mountainous terrain.
- 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: Tucana V Target entity description: Tucana V is a faint, ultra-diffuse dwarf galaxy or star cluster candidate located in the constellation Tucana and associated with the Milky Way’s outer halo.
-
A.
Quitu
Quitu were an indigenous pre-Inca people of the Andean region, associated with the area around present-day Quito in Ecuador.
-
B.
Volans
Volans is a small southern sky constellation representing a flying fish, located near the Large Magellanic Cloud.
-
C.
Tuyo
"Tuyo" is a bolero-style song by Rodrigo Amarante, best known as the haunting opening theme of the television series *Narcos*.
-
D.
Matucana
Matucana is a small Andean town in Peru that serves as the capital of Huarochirí Province in the Lima Region.
-
E.
Tayk
Tayk was an ancient historical region in the southwestern Caucasus, associated with Armenian and later Georgian polities and known for its strategic location and mountainous terrain.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical object
ⓘ
satellite of the Milky Way ⓘ ultra-faint stellar system ⓘ |
| absoluteMagnitudeV | about −1.6 ⓘ |
| angularSize | a few arcminutes ⓘ |
| associatedWith |
Milky Way outer halo
ⓘ
linked to:
Milky Way stellar halo
|
| candidateType |
dwarf galaxy
ⓘ
star cluster ⓘ |
| classificationStatus | uncertain ⓘ |
| contains | resolved stars ⓘ |
| declination | −63° ⓘ |
| discoveredBy | DES collaboration ⓘ |
| discoveredIn | 2018 ⓘ |
| distanceFromEarth | about 55 kiloparsecs ⓘ |
| distanceFromMilkyWayCenter | about 55 kiloparsecs ⓘ |
| environment |
Milky Way halo
ⓘ
linked to:
Milky Way stellar halo
|
| galacticLatitude | high ⓘ |
| halfLightRadius | about 17 parsecs ⓘ |
| hostGalaxy | Milky Way ⓘ |
| locatedInConstellation | Tucana ⓘ |
| memberOf |
Milky Way satellite system
ⓘ
linked to:
Milky Way
|
| morphologicalDescription | ultra-diffuse ⓘ |
| observedIn | optical wavelengths ⓘ |
| possibleNature |
disrupting star cluster
ⓘ
ultra-faint dwarf galaxy ⓘ |
| rightAscension | 23h 35m ⓘ |
| stellarPopulation |
metal-poor
ⓘ
old ⓘ |
| surfaceBrightness | low ⓘ |
| surveyDetectedIn | Dark Energy Survey ⓘ |
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: Tucana V Description of subject: Tucana V is a faint, ultra-diffuse dwarf galaxy or star cluster candidate located in the constellation Tucana and associated with the Milky Way’s outer halo.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
constellation Tucana
linked to: Tucana V