M59
E519110
M59 is an elliptical galaxy located in the constellation Virgo and is one of the prominent members of the Virgo Cluster.
All labels observed (1)
| Label | Occurrences |
|---|---|
| M59 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5410444 — 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: M59 Context triple: [Virgo Cluster, containsGalaxy, M59]
-
A.
M58
M58 is a barred spiral galaxy located in the constellation Virgo and is one of the brighter members of the Virgo Cluster.
-
B.
M58
M58 is a motorway in North West England that links the M6 near Wigan to the Liverpool area, serving as a key route for traffic to and from Merseyside.
-
C.
M55
M55 is a New York City bus route that provides public transit service connecting to the Whitehall Terminal area in Lower Manhattan.
-
D.
M-52
M-52 is a state highway in Michigan that runs north–south through several counties, serving as an important regional route for local and through traffic.
-
E.
M57
M57 is a major motorway in Merseyside, England, forming part of the road network serving the Sefton area and connecting it to other key routes in the region.
- 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: M59 Target entity description: M59 is an elliptical galaxy located in the constellation Virgo and is one of the prominent members of the Virgo Cluster.
-
A.
M58
M58 is a motorway in North West England that links the M6 near Wigan to the Liverpool area, serving as a key route for traffic to and from Merseyside.
-
B.
M58
M58 is a barred spiral galaxy located in the constellation Virgo and is one of the brighter members of the Virgo Cluster.
-
C.
M55
M55 is a New York City bus route that provides public transit service connecting to the Whitehall Terminal area in Lower Manhattan.
-
D.
M-52
M-52 is a state highway in Michigan that runs north–south through several counties, serving as an important regional route for local and through traffic.
-
E.
M57
M57 is a major motorway in Merseyside, England, forming part of the road network serving the Sefton area and connecting it to other key routes in the region.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Messier object
ⓘ
elliptical galaxy ⓘ |
| angularSize | 5.4′ × 3.7′ ⓘ |
| apparentMagnitudeB | 10.6 ⓘ |
| apparentMagnitudeV | 9.6 ⓘ |
| belongsTo | Local Supercluster NERFINISHED ⓘ |
| bestSeenFromHemisphere | Northern Hemisphere NERFINISHED ⓘ |
| bestViewingSeason | spring ⓘ |
| catalogCode |
M59
ⓘ
Messier 59 NERFINISHED ⓘ NGC 4621 NERFINISHED ⓘ PGC 42628 NERFINISHED ⓘ UGC 7860 NERFINISHED ⓘ |
| constellation | Virgo NERFINISHED ⓘ |
| coordinateSystem | equatorial ⓘ |
| declination | +11° 38′ 49″ ⓘ |
| discoverer | Johann Gottfried Koehler NERFINISHED ⓘ |
| discoveryDate | 1779 ⓘ |
| distanceFromEarth |
~18.5 Mpc
ⓘ
~60 million light-years ⓘ |
| dustContent | low ⓘ |
| epoch | J2000 ⓘ |
| galacticEnvironment | dense cluster core ⓘ |
| galaxyCluster | Virgo Cluster NERFINISHED ⓘ |
| galaxyType | early-type galaxy ⓘ |
| gasContent | low ⓘ |
| hasCompanionGalaxy |
M59-UCD3
NERFINISHED
ⓘ
M59cO NERFINISHED ⓘ |
| hasStellarPopulation | predominantly old stars ⓘ |
| hasSupermassiveBlackHole | yes ⓘ |
| hostGalaxyClusterRichness | rich cluster environment ⓘ |
| includedInCatalog |
Messier Catalogue
NERFINISHED
ⓘ
New General Catalogue NERFINISHED ⓘ |
| locatedIn | Virgo Cluster core region NERFINISHED ⓘ |
| locatedInSupercluster | Virgo Supercluster NERFINISHED ⓘ |
| memberOf | Virgo Cluster NERFINISHED ⓘ |
| morphologicalType | E5 ⓘ |
| observedIn |
X-ray wavelengths
ⓘ
optical wavelengths ⓘ radio wavelengths ⓘ |
| radialVelocity | ~410–440 km/s ⓘ |
| redshift | 0.0044 ⓘ |
| rightAscension | 12h 42m 02.3s ⓘ |
| starFormationActivity | low ⓘ |
| supermassiveBlackHoleMass | ~270 million solar masses ⓘ |
| surfaceBrightnessProfile | de Vaucouleurs law-like ⓘ |
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: M59 Description of subject: M59 is an elliptical galaxy located in the constellation Virgo and is one of the prominent members of the Virgo Cluster.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.