Abell 539
E560115
Abell 539 is a rich galaxy cluster located within the Perseus–Pisces Supercluster and studied as part of large-scale structure in the universe.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Abell 539 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5846079 — 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: Abell 539 Context triple: [Perseus–Pisces Supercluster, contains, Abell 539]
-
A.
Abell 426
Abell 426, also known as the Perseus Cluster, is a massive, nearby galaxy cluster notable for its bright X-ray emission and central active galaxy NGC 1275.
-
B.
Abell 347
Abell 347 is a rich galaxy cluster located in the constellation Andromeda and is part of the large-scale Perseus–Pisces filamentary structure in the nearby universe.
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C.
Abell 3627
Abell 3627 is a massive, nearby galaxy cluster located in the direction of the Great Attractor region and is one of the most prominent components of the Hydra–Centaurus Supercluster.
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D.
Abell 2597
Abell 2597 is a distant galaxy cluster notable for its central active galaxy and cooling-flow features, observed extensively in X-ray and radio wavelengths.
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E.
Abell 262
Abell 262 is a nearby galaxy cluster in the constellation Andromeda, notable for its relatively low mass and cool-core intracluster medium within the Perseus–Pisces Supercluster.
- 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: Abell 539 Target entity description: Abell 539 is a rich galaxy cluster located within the Perseus–Pisces Supercluster and studied as part of large-scale structure in the universe.
-
A.
Abell 426
Abell 426, also known as the Perseus Cluster, is a massive, nearby galaxy cluster notable for its bright X-ray emission and central active galaxy NGC 1275.
-
B.
Abell 347
Abell 347 is a rich galaxy cluster located in the constellation Andromeda and is part of the large-scale Perseus–Pisces filamentary structure in the nearby universe.
-
C.
Abell 3627
Abell 3627 is a massive, nearby galaxy cluster located in the direction of the Great Attractor region and is one of the most prominent components of the Hydra–Centaurus Supercluster.
-
D.
Abell 2597
Abell 2597 is a distant galaxy cluster notable for its central active galaxy and cooling-flow features, observed extensively in X-ray and radio wavelengths.
-
E.
Abell 262
Abell 262 is a nearby galaxy cluster in the constellation Andromeda, notable for its relatively low mass and cool-core intracluster medium within the Perseus–Pisces Supercluster.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
Abell galaxy cluster
ⓘ
galaxy cluster ⓘ |
| belongsToStructure |
Perseus–Pisces filament
ⓘ
linked to:
Perseus–Pisces Supercluster
|
| catalogCode | A539 ⓘ |
| clusterRichnessClass | rich ⓘ |
| clusterType | rich, regular cluster ⓘ |
| constellation | Lynx ⓘ |
| coordinateSystem | equatorial coordinates (J2000) used in astronomy catalogs ⓘ |
| discoveredBy | George O. Abell ⓘ |
| distanceFromEarth | on the order of hundreds of megaparsecs ⓘ |
| emits | X-ray radiation from intracluster gas ⓘ |
| environment | dense galaxy environment ⓘ |
| gravitationallyBound | true ⓘ |
| hasHotIntraclusterMedium | true ⓘ |
| hasMember | numerous galaxies ⓘ |
| includedIn |
Abell 1958 catalog
ⓘ
linked to:
Abell catalog of rich clusters of galaxies
|
| locatedIn | Perseus–Pisces Supercluster ⓘ |
| memberOf | Abell catalog of rich clusters of galaxies ⓘ |
| observedIn |
X-ray wavelengths
ⓘ
optical wavelengths ⓘ |
| partOf | large-scale structure of the universe ⓘ |
| redshift | approximately 0.02 ⓘ |
| studiedFor |
cluster dynamics
ⓘ
galaxy clustering ⓘ large-scale structure mapping ⓘ |
| usedAs | probe of cosmic large-scale structure ⓘ |
| usedIn |
studies of cluster mass distribution
ⓘ
studies of galaxy morphology–density relation ⓘ studies of peculiar velocities in superclusters ⓘ |
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: Abell 539 Description of subject: Abell 539 is a rich galaxy cluster located within the Perseus–Pisces Supercluster and studied as part of large-scale structure in the universe.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.