UGC 64
E450962
UGC 64 is a faint dwarf irregular galaxy located in the Local Group, commonly known as Andromeda IV and lying near the Andromeda Galaxy in the constellation Andromeda.
All labels observed (1)
| Label | Occurrences |
|---|---|
| UGC 64 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4531605 — 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: UGC 64 Context triple: [Andromeda IV, otherName, UGC 64]
-
A.
Baade U
Baade U is a small lunar impact crater that forms one of the satellite craters surrounding the larger Baade crater on the Moon’s surface.
-
B.
U6
U6 is a major north–south line of the Berlin U-Bahn rapid transit system, connecting several key districts across the city.
-
C.
U6
U6 is the IATA airline designator assigned to Ural Airlines, a Russian commercial air carrier.
-
D.
USSF-67
USSF-67 is a classified U.S. Space Force national security mission launched aboard a SpaceX Falcon Heavy rocket.
-
E.
UJ
UJ is a major public university in Johannesburg, South Africa, known for its diverse academic programs and strong focus on research and innovation.
- 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: UGC 64 Target entity description: UGC 64 is a faint dwarf irregular galaxy located in the Local Group, commonly known as Andromeda IV and lying near the Andromeda Galaxy in the constellation Andromeda.
-
A.
Baade U
Baade U is a small lunar impact crater that forms one of the satellite craters surrounding the larger Baade crater on the Moon’s surface.
-
B.
U6
U6 is a major north–south line of the Berlin U-Bahn rapid transit system, connecting several key districts across the city.
-
C.
U6
U6 is the IATA airline designator assigned to Ural Airlines, a Russian commercial air carrier.
-
D.
USSF-67
USSF-67 is a classified U.S. Space Force national security mission launched aboard a SpaceX Falcon Heavy rocket.
-
E.
UJ
UJ is a major public university in Johannesburg, South Africa, known for its diverse academic programs and strong focus on research and innovation.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
dwarf irregular galaxy
ⓘ
extragalactic astronomical object ⓘ galaxy ⓘ |
| absoluteMagnitudeV | about −12.6 ⓘ |
| alsoKnownAs |
And IV
ⓘ
Andromeda IV ⓘ |
| apparentMagnitudeV | ~16 ⓘ |
| belongsTo |
Local Group dwarf galaxy population
ⓘ
linked to:
Local Group dwarf galaxies
|
| catalog | UGC ⓘ |
| catalogCode |
Andromeda IV
ⓘ
UGC 64 ⓘ |
| contains | neutral hydrogen gas ⓘ |
| coordinateSystem | equatorial ⓘ |
| declination | ~+40° ⓘ |
| diameter | ~7,000 light-years ⓘ |
| discoveredBy | Sidney van den Bergh ⓘ |
| discoveryContext | search for dwarf companions of the Andromeda Galaxy ⓘ |
| discoveryMethod | photographic survey ⓘ |
| distanceFromAndromedaGalaxy | ~1.9 degrees on the sky ⓘ |
| distanceFromEarth |
~2.0 Mpc
ⓘ
~6.5 million light-years ⓘ |
| galaxyType | irregular galaxy ⓘ |
| gasRich | true ⓘ |
| hasDarkMatterDominance | likely ⓘ |
| hasEnvironment | relatively isolated within Local Group ⓘ |
| HIContent | high relative to its luminosity ⓘ |
| isFaint | true ⓘ |
| isResolvedIntoStars | true ⓘ |
| isSatelliteOf | Local Group as a whole ⓘ |
| locatedInConstellation | Andromeda ⓘ |
| memberOf | Local Group ⓘ |
| metallicity | low ⓘ |
| morphologicalType | dIrr ⓘ |
| near | Andromeda Galaxy ⓘ |
| observedIn |
optical wavelengths
ⓘ
radio wavelengths ⓘ |
| radialVelocityHeliocentric | ~256 km/s ⓘ |
| radialVelocityLocalGroup | ~+118 km/s ⓘ |
| redshift | ~0.00085 ⓘ |
| rightAscension | ~00h 42m ⓘ |
| shows | patchy star-forming regions ⓘ |
| starFormationActivity | low but ongoing ⓘ |
| stellarPopulation | dominated by old and intermediate-age stars ⓘ |
| 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: UGC 64 Description of subject: UGC 64 is a faint dwarf irregular galaxy located in the Local Group, commonly known as Andromeda IV and lying near the Andromeda Galaxy in the constellation Andromeda.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.