NGC 4569
E524888
NGC 4569 is a bright, gas-stripped spiral galaxy in the Virgo Cluster notable for its unusually low star formation and strong nuclear activity.
All labels observed (1)
| Label | Occurrences |
|---|---|
| NGC 4569 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5410458 — 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 4569 Context triple: [Virgo Cluster, containsGalaxy, NGC 4569]
-
A.
NGC 4216
NGC 4216 is a large, edge-on spiral galaxy located in the Virgo constellation and is one of the brighter members of the Virgo Cluster.
-
B.
NGC 4609
NGC 4609 is an open star cluster located in the southern constellation Centaurus, notable for its relatively young stellar population.
-
C.
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.
-
D.
NGC 4622
NGC 4622 is an unusual spiral galaxy notable for its rare leading spiral arms and distinctive ring-like structure, located in the constellation Centaurus.
-
E.
NGC 4535
NGC 4535 is a large, face-on barred spiral galaxy notable for its well-defined spiral arms and location in the constellation Virgo.
- 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 4569 Target entity description: NGC 4569 is a bright, gas-stripped spiral galaxy in the Virgo Cluster notable for its unusually low star formation and strong nuclear activity.
-
A.
NGC 4216
NGC 4216 is a large, edge-on spiral galaxy located in the Virgo constellation and is one of the brighter members of the Virgo Cluster.
-
B.
NGC 4609
NGC 4609 is an open star cluster located in the southern constellation Centaurus, notable for its relatively young stellar population.
-
C.
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.
-
D.
NGC 4622
NGC 4622 is an unusual spiral galaxy notable for its rare leading spiral arms and distinctive ring-like structure, located in the constellation Centaurus.
-
E.
NGC 4535
NGC 4535 is a large, face-on barred spiral galaxy notable for its well-defined spiral arms and location in the constellation Virgo.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
SAB(rs)ab galaxy
ⓘ
Virgo Cluster member ⓘ extragalactic radio source ⓘ gas-stripped galaxy ⓘ spiral galaxy ⓘ |
| discoveredBy | William Herschel NERFINISHED ⓘ |
| discoveryDate | 1781-03-18 ⓘ |
| environmentalEffect | interaction with Virgo Cluster intracluster medium ⓘ |
| hasAlternativeName |
M90
NERFINISHED
ⓘ
Messier 90 NERFINISHED ⓘ PGC 42089 NERFINISHED ⓘ UGC 7772 NERFINISHED ⓘ |
| hasAngularSize | 9.5 × 4.4 arcminutes ⓘ |
| hasApparentMagnitudeV | 9.5 ⓘ |
| hasBulgeType | prominent bulge ⓘ |
| hasCentralStarburst | yes ⓘ |
| hasColor | relatively red disk ⓘ |
| hasDeclination | +13° 09′ 46″ ⓘ |
| hasDeficientNeutralHydrogen | true ⓘ |
| hasDistanceFromEarth |
approximately 16.5 megaparsecs
ⓘ
approximately 54 million light-years ⓘ |
| hasGalaxyType | intermediate spiral galaxy ⓘ |
| hasInclinationToLineOfSight | approximately 63 degrees ⓘ |
| hasInnerRing | yes ⓘ |
| hasLowStarFormationRate | true ⓘ |
| hasMorphologicalType | SAB(rs)ab ⓘ |
| hasNuclearActivityType |
LINER
ⓘ
Seyfert-like nucleus NERFINISHED ⓘ |
| hasPositionAngle | approximately 23 degrees ⓘ |
| hasRadialVelocity | approximately −235 km/s ⓘ |
| hasRadioContinuumTail | yes ⓘ |
| hasRedshift | −0.0008 ⓘ |
| hasRightAscension | 12h 36m 49.8s ⓘ |
| hasStellarMass | on the order of 10^10 solar masses ⓘ |
| hasSupernova | SN 1999cl NERFINISHED ⓘ |
| hasSuppressedStarFormationInDisk | true ⓘ |
| hasTruncatedGasDisk | true ⓘ |
| hostedSupernovaType | Type Ia ⓘ |
| includedInCatalogue |
Messier Catalogue
NERFINISHED
ⓘ
New General Catalogue NERFINISHED ⓘ |
| locatedInConstellation | Virgo NERFINISHED ⓘ |
| memberOf | Virgo Cluster NERFINISHED ⓘ |
| observedInWavelength |
X-ray
ⓘ
optical ⓘ radio ⓘ ultraviolet ⓘ |
| showsBarStructure | weak bar ⓘ |
| showsGasStripping | ram-pressure stripping ⓘ |
| showsNuclearActivity | true ⓘ |
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 4569 Description of subject: NGC 4569 is a bright, gas-stripped spiral galaxy in the Virgo Cluster notable for its unusually low star formation and strong nuclear activity.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.