Pegasus Dwarf Spheroidal Galaxy
E525108
Pegasus Dwarf Spheroidal Galaxy is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located in the Local Group.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Pegasus Dwarf Spheroidal Galaxy canonical | 1 |
| Pegasus dwarf spheroidal galaxy | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4911660 — 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: Pegasus Dwarf Spheroidal Galaxy Context triple: [Andromeda VI, alternateName, Pegasus Dwarf Spheroidal Galaxy]
-
A.
Sagittarius Dwarf Spheroidal Galaxy
The Sagittarius Dwarf Spheroidal Galaxy is a small, elongated satellite galaxy currently being tidally disrupted and absorbed by the Milky Way.
-
B.
Sextans Dwarf Spheroidal Galaxy
The Sextans Dwarf Spheroidal Galaxy is a faint, low-mass satellite galaxy of the Milky Way located in the constellation Sextans and composed primarily of old, metal-poor stars.
-
C.
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.
-
D.
Hercules Dwarf Galaxy
Hercules Dwarf Galaxy is a faint, small satellite galaxy of the Milky Way located in the constellation Hercules and classified as a dwarf spheroidal galaxy.
-
E.
Carina Dwarf Galaxy
The Carina Dwarf Galaxy is a faint, spheroidal satellite galaxy of the Milky Way located in the Local Group, notable for its low luminosity and predominantly old stellar population.
- 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: Pegasus Dwarf Spheroidal Galaxy Target entity description: Pegasus Dwarf Spheroidal Galaxy is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
A.
Sagittarius Dwarf Spheroidal Galaxy
The Sagittarius Dwarf Spheroidal Galaxy is a small, elongated satellite galaxy currently being tidally disrupted and absorbed by the Milky Way.
-
B.
Sextans Dwarf Spheroidal Galaxy
The Sextans Dwarf Spheroidal Galaxy is a faint, low-mass satellite galaxy of the Milky Way located in the constellation Sextans and composed primarily of old, metal-poor stars.
-
C.
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.
-
D.
Hercules Dwarf Galaxy
Hercules Dwarf Galaxy is a faint, small satellite galaxy of the Milky Way located in the constellation Hercules and classified as a dwarf spheroidal galaxy.
-
E.
Carina Dwarf Galaxy
The Carina Dwarf Galaxy is a faint, spheroidal satellite galaxy of the Milky Way located in the Local Group, notable for its low luminosity and predominantly old stellar population.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
dwarf spheroidal galaxy
ⓘ
galaxy in the Local Group ⓘ |
| absoluteMagnitudeV | about −10.3 ⓘ |
| alternateName |
Andromeda VI
NERFINISHED
ⓘ
Pegasus dSph NERFINISHED ⓘ |
| apparentMagnitudeV | about 14.2 ⓘ |
| belongsTo | Andromeda subgroup of the Local Group NERFINISHED ⓘ |
| constellation | Pegasus NERFINISHED ⓘ |
| contains |
horizontal branch stars
ⓘ
old metal-poor stars ⓘ red giant branch stars ⓘ |
| darkMatterContent | dominant ⓘ |
| declination | +05° 24′ ⓘ |
| discoveredBy |
Alan W. McConnachie
NERFINISHED
ⓘ
Mike Irwin NERFINISHED ⓘ N. F. Martin NERFINISHED ⓘ collaborators ⓘ |
| discoveryMethod | resolved star counts on photographic plates and CCD images ⓘ |
| discoveryYear | 1999 ⓘ |
| distanceFromAndromedaGalaxy | about 294 kiloparsecs ⓘ |
| distanceFromEarth |
about 2.7 million light-years
ⓘ
about 830 kiloparsecs ⓘ |
| environment | Local Group outer regions ⓘ |
| galaxyType | dSph ⓘ |
| gasContent | gas-poor ⓘ |
| hasGlobularClusters | none known ⓘ |
| hasNucleus | false ⓘ |
| heliocentricRadialVelocity | about −354 km/s ⓘ |
| hostGalaxy | Andromeda Galaxy NERFINISHED ⓘ |
| isBarred | false ⓘ |
| isDiskGalaxy | false ⓘ |
| isFaint | true ⓘ |
| isGravitationallyBoundTo | Andromeda Galaxy NERFINISHED ⓘ |
| isIrregular | false ⓘ |
| isNearbyTo | Milky Way Galaxy NERFINISHED ⓘ |
| isNonStarforming | true ⓘ |
| isPartOf | Andromeda satellite system NERFINISHED ⓘ |
| isResolvedIntoStars | true ⓘ |
| massToLightRatio | high ⓘ |
| memberOf | Local Group NERFINISHED ⓘ |
| metallicity | low ⓘ |
| morphologicalType | dSph ⓘ |
| rightAscension | about 23h 28m ⓘ |
| starFormationActivity | quiescent ⓘ |
| stellarPopulation | old ⓘ |
| surfaceBrightness | 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: Pegasus Dwarf Spheroidal Galaxy Description of subject: Pegasus Dwarf Spheroidal Galaxy is a faint dwarf spheroidal satellite galaxy of the Andromeda Galaxy located in the Local Group.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Pegasus dwarf spheroidal galaxy