M100
E517957
M100 is a bright grand-design spiral galaxy located in the constellation Coma Berenices and is one of the largest and most prominent members of the Virgo Cluster.
All labels observed (1)
| Label | Occurrences |
|---|---|
| M100 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5410451 — 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: M100 Context triple: [Virgo Cluster, containsGalaxy, M100]
-
A.
M100
M100 is a large-displacement V8 engine developed by Mercedes-Benz in the 1960s, renowned for powering the flagship 600 limousine and offering exceptional smoothness and torque.
-
B.
M31*
M31* is the supermassive black hole located at the core of the Andromeda Galaxy.
-
C.
M15
M15 is a New York City MTA bus route that runs along First and Second Avenues in Manhattan, connecting the East Side to Lower Manhattan and the South Ferry area.
-
D.
M11
M11 is a major motorway in England that connects London to Cambridge and the East Anglia region.
-
E.
M11
M11 is a rich, compact open star cluster in the constellation Scutum, also known as the Wild Duck Cluster.
- 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: M100 Target entity description: M100 is a bright grand-design spiral galaxy located in the constellation Coma Berenices and is one of the largest and most prominent members of the Virgo Cluster.
-
A.
M100
M100 is a large-displacement V8 engine developed by Mercedes-Benz in the 1960s, renowned for powering the flagship 600 limousine and offering exceptional smoothness and torque.
-
B.
M31*
M31* is the supermassive black hole located at the core of the Andromeda Galaxy.
-
C.
M15
M15 is a New York City MTA bus route that runs along First and Second Avenues in Manhattan, connecting the East Side to Lower Manhattan and the South Ferry area.
-
D.
M11
M11 is a major motorway in England that connects London to Cambridge and the East Anglia region.
-
E.
M11
M11 is a rich, compact open star cluster in the constellation Scutum, also known as the Wild Duck Cluster.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
grand-design spiral galaxy
ⓘ
spiral galaxy ⓘ |
| alsoKnownAs |
Messier 100
NERFINISHED
ⓘ
NGC 4321 NERFINISHED ⓘ |
| apparentMagnitudeV | 10.1 ⓘ |
| apparentSize | 7.4 × 6.3 arcminutes ⓘ |
| belongsToSupercluster | Virgo Supercluster NERFINISHED ⓘ |
| catalog |
Messier catalogue
NERFINISHED
ⓘ
New General Catalogue NERFINISHED ⓘ |
| catalogNumber |
M100
ⓘ
NGC 4321 NERFINISHED ⓘ |
| contains | Cepheid variable stars ⓘ |
| declination | +15° 49′ 21″ ⓘ |
| discoveredBy | Pierre Méchain NERFINISHED ⓘ |
| discoveryYear | 1781 ⓘ |
| distanceFromEarth |
about 17 Mpc
ⓘ
about 55 million light-years ⓘ |
| galaxyType | intermediate spiral ⓘ |
| hasActiveStarFormation | yes ⓘ |
| hasBar | weak central bar ⓘ |
| hasHIIRegions | yes ⓘ |
| hasNuclearStarburst | yes ⓘ |
| hasSpiralArms | two main grand-design arms ⓘ |
| hasStarFormationRing | circumnuclear ring ⓘ |
| hasSupernova |
SN 1901B
NERFINISHED
ⓘ
SN 1914A NERFINISHED ⓘ SN 1959E NERFINISHED ⓘ SN 1979C NERFINISHED ⓘ SN 2006X NERFINISHED ⓘ |
| isFaceOnGalaxy | yes ⓘ |
| isOneOfLargestMembersOf | Virgo Cluster NERFINISHED ⓘ |
| isOneOfMostProminentMembersOf | Virgo Cluster NERFINISHED ⓘ |
| locatedInConstellation | Coma Berenices NERFINISHED ⓘ |
| memberOf | Virgo Cluster NERFINISHED ⓘ |
| morphologicalType | SAB(s)bc ⓘ |
| observedInWavelength |
infrared
ⓘ
optical ⓘ radio ⓘ ultraviolet ⓘ |
| partOf | Local Supercluster NERFINISHED ⓘ |
| radialVelocity | 1571 km/s ⓘ |
| redshift | 0.00524 ⓘ |
| rightAscension | 12h 22m 54s ⓘ |
| supernovaTypeObserved |
Type II
ⓘ
Type Ia NERFINISHED ⓘ |
| usedFor | distance scale calibration ⓘ |
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: M100 Description of subject: M100 is a bright grand-design spiral galaxy located in the constellation Coma Berenices and is one of the largest and most prominent members of the Virgo Cluster.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.