NGC 4527
E526523
NGC 4527 is a spiral galaxy in the constellation Virgo, notable as a member of the Virgo Cluster and as the host of several observed supernovae.
All labels observed (1)
| Label | Occurrences |
|---|---|
| NGC 4527 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5410476 — 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: NGC 4527 Context triple: [Virgo Cluster, containsGalaxy, NGC 4527]
-
A.
NGC 4501
NGC 4501 is a large, nearly face-on spiral galaxy notable for its active star formation and interaction with the intracluster medium in the Virgo Cluster.
-
B.
NGC 4387
NGC 4387 is a dwarf elliptical galaxy located in the constellation Virgo and is a member of the Virgo Cluster of galaxies.
-
C.
NGC 4579
NGC 4579 is a barred spiral galaxy with an active galactic nucleus located in the constellation Virgo and associated with the Virgo Cluster.
-
D.
NGC 4526
NGC 4526 is a lenticular galaxy notable for its bright central dust disk and supermassive black hole, located in the constellation Virgo as a member of the Virgo Cluster.
-
E.
NGC 4382
NGC 4382 is a large lenticular galaxy located in the constellation Coma Berenices and is one of the brighter members of the Virgo 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: NGC 4527 Target entity description: NGC 4527 is a spiral galaxy in the constellation Virgo, notable as a member of the Virgo Cluster and as the host of several observed supernovae.
-
A.
NGC 4501
NGC 4501 is a large, nearly face-on spiral galaxy notable for its active star formation and interaction with the intracluster medium in the Virgo Cluster.
-
B.
NGC 4387
NGC 4387 is a dwarf elliptical galaxy located in the constellation Virgo and is a member of the Virgo Cluster of galaxies.
-
C.
NGC 4579
NGC 4579 is a barred spiral galaxy with an active galactic nucleus located in the constellation Virgo and associated with the Virgo Cluster.
-
D.
NGC 4526
NGC 4526 is a lenticular galaxy notable for its bright central dust disk and supermassive black hole, located in the constellation Virgo as a member of the Virgo Cluster.
-
E.
NGC 4382
NGC 4382 is a large lenticular galaxy located in the constellation Coma Berenices and is one of the brighter members of the Virgo Cluster.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
Virgo Cluster member
ⓘ
spiral galaxy ⓘ |
| apparentMagnitudeV | ≈ 11.4 ⓘ |
| apparentSize | ≈ 6.2 × 2.1 arcminutes ⓘ |
| catalog | New General Catalogue NERFINISHED ⓘ |
| constellation | Virgo NERFINISHED ⓘ |
| contains |
interstellar dust
ⓘ
neutral hydrogen gas ⓘ young stellar populations ⓘ |
| declination | +02° (approx) ⓘ |
| discoveredBy | William Herschel NERFINISHED ⓘ |
| discoveryDate | 1784 ⓘ |
| distanceFromEarth |
≈ 12 megaparsecs
ⓘ
≈ 40 million light-years ⓘ |
| environment | cluster environment ⓘ |
| galacticLatitude | low ⓘ |
| galaxyType | disk galaxy ⓘ |
| groupMembership | Virgo II Cloud NERFINISHED ⓘ |
| hasBar | possible weak bar ⓘ |
| hasDustLane | yes ⓘ |
| hasStarFormation | active ⓘ |
| hemisphere | northern sky ⓘ |
| hostedSupernova |
SN 1969E
NERFINISHED
ⓘ
SN 1991T NERFINISHED ⓘ SN 2004gn NERFINISHED ⓘ |
| inclination | highly inclined ⓘ |
| locatedIn |
Virgo Cluster
NERFINISHED
ⓘ
local universe ⓘ |
| morphologicalType | spiral galaxy ⓘ |
| notableFor |
hosting the overluminous Type Ia supernova SN 1991T
ⓘ
membership in the Virgo Cluster ⓘ prominent dust lanes ⓘ |
| observedIn |
infrared wavelengths
ⓘ
optical wavelengths ⓘ radio wavelengths ⓘ |
| orientation | nearly edge-on ⓘ |
| radialVelocity | ≈ 1730 km/s ⓘ |
| redshift | z ≈ 0.0058 ⓘ |
| rightAscension | 12h 34m (approx) ⓘ |
| supernovaTypeInHost |
Type Ia supernova
ⓘ
core-collapse supernova ⓘ |
| surfaceBrightness | moderate ⓘ |
| usedFor | cosmic 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: NGC 4527 Description of subject: NGC 4527 is a spiral galaxy in the constellation Virgo, notable as a member of the Virgo Cluster and as the host of several observed supernovae.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.