Canes Venatici II Dwarf Galaxy
E488070
Canes Venatici II Dwarf Galaxy is a faint, small satellite galaxy of the Milky Way located in the constellation Canes Venatici and classified as an ultra-faint dwarf spheroidal galaxy.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Canes Venatici II Dwarf Galaxy canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4618734 — 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: Canes Venatici II Dwarf Galaxy Context triple: [Milky Way subgroup, hasMember, Canes Venatici II Dwarf Galaxy]
-
A.
Canes Venatici I Dwarf Galaxy
Canes Venatici I Dwarf Galaxy is a faint dwarf spheroidal satellite galaxy of the Milky Way located in the constellation Canes Venatici.
-
B.
Ursa Major II Dwarf Galaxy
Ursa Major II Dwarf Galaxy is a faint, dark-matter-dominated dwarf spheroidal satellite galaxy orbiting the Milky Way in the constellation Ursa Major.
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C.
Leo II Dwarf Galaxy
Leo II Dwarf Galaxy is a faint, spheroidal dwarf galaxy and satellite of the Milky Way located in the constellation Leo and belonging to the Local Group of galaxies.
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D.
Aquarius Dwarf Galaxy
The Aquarius Dwarf Galaxy is a faint, small dwarf irregular galaxy on the outskirts of the Local Group, notable for its low luminosity and sparse stellar population.
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E.
Cetus Dwarf Galaxy
The Cetus Dwarf Galaxy is a faint, spheroidal dwarf galaxy located in the constellation Cetus and is one of the small satellite members of our cosmic neighborhood.
- 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: Canes Venatici II Dwarf Galaxy Target entity description: Canes Venatici II Dwarf Galaxy is a faint, small satellite galaxy of the Milky Way located in the constellation Canes Venatici and classified as an ultra-faint dwarf spheroidal galaxy.
-
A.
Canes Venatici I Dwarf Galaxy
Canes Venatici I Dwarf Galaxy is a faint dwarf spheroidal satellite galaxy of the Milky Way located in the constellation Canes Venatici.
-
B.
Ursa Major II Dwarf Galaxy
Ursa Major II Dwarf Galaxy is a faint, dark-matter-dominated dwarf spheroidal satellite galaxy orbiting the Milky Way in the constellation Ursa Major.
-
C.
Leo II Dwarf Galaxy
Leo II Dwarf Galaxy is a faint, spheroidal dwarf galaxy and satellite of the Milky Way located in the constellation Leo and belonging to the Local Group of galaxies.
-
D.
Aquarius Dwarf Galaxy
The Aquarius Dwarf Galaxy is a faint, small dwarf irregular galaxy on the outskirts of the Local Group, notable for its low luminosity and sparse stellar population.
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E.
Cetus Dwarf Galaxy
The Cetus Dwarf Galaxy is a faint, spheroidal dwarf galaxy located in the constellation Cetus and is one of the small satellite members of our cosmic neighborhood.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical object
ⓘ
dwarf spheroidal galaxy ⓘ satellite galaxy ⓘ ultra-faint dwarf galaxy ⓘ |
| belongsTo |
Milky Way satellite system
ⓘ
linked to:
Milky Way
|
| contains |
horizontal branch stars
ⓘ
red giant branch stars ⓘ |
| discoveredBy | Sloan Digital Sky Survey ⓘ |
| discoveryMethod | resolved star counts ⓘ |
| hasAlternativeName |
CVn II
ⓘ
CVn II dSph ⓘ |
| hasEnvironment | Galactic halo ⓘ |
| hasGalaxyType | dSph ⓘ |
| hasGasContent | gas-poor ⓘ |
| hasKinematicProperty | dispersion-supported ⓘ |
| hasLuminosityClass | ultra-faint ⓘ |
| hasMorphology | spheroidal ⓘ |
| hasShape | roughly spherical ⓘ |
| hasStarFormationActivity | quiescent ⓘ |
| hasStellarPopulation |
metal-poor
ⓘ
old ⓘ |
| isDarkMatterDominated | true ⓘ |
| isFaint | true ⓘ |
| isGravitationallyBoundTo | Milky Way ⓘ |
| isLowSurfaceBrightness | true ⓘ |
| isPartOf | Canes Venatici cloud of galaxies ⓘ |
| isResolvedIntoStars | true ⓘ |
| locatedInConstellation | Canes Venatici ⓘ |
| memberOf | Local Group ⓘ |
| satelliteOf | Milky Way ⓘ |
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: Canes Venatici II Dwarf Galaxy Description of subject: Canes Venatici II Dwarf Galaxy is a faint, small satellite galaxy of the Milky Way located in the constellation Canes Venatici and classified as an ultra-faint dwarf spheroidal galaxy.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.