Abell 3558
E559511
Abell 3558 is a massive galaxy cluster located within the Shapley Supercluster, one of the most densely populated regions of galaxy clusters in the nearby universe.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Abell 3558 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5940525 — 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 3558 Context triple: [Shapley Supercluster, contains, Abell 3558]
-
A.
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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B.
Abell 3526
Abell 3526, also known as the Centaurus Cluster, is a massive nearby galaxy cluster notable for its rich galaxy population and strong X-ray emission.
-
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 3651
Abell 3651 is a distant galaxy cluster located in the southern constellation Microscopium.
-
E.
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.
- 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 3558 Target entity description: Abell 3558 is a massive galaxy cluster located within the Shapley Supercluster, one of the most densely populated regions of galaxy clusters in the nearby universe.
-
A.
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.
-
B.
Abell 3526
Abell 3526, also known as the Centaurus Cluster, is a massive nearby galaxy cluster notable for its rich galaxy population and strong X-ray emission.
-
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 3651
Abell 3651 is a distant galaxy cluster located in the southern constellation Microscopium.
-
E.
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.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
Abell galaxy cluster
ⓘ
galaxy cluster ⓘ |
| BautzMorganType | II ⓘ |
| catalogIdentifier | Abell 3558 NERFINISHED ⓘ |
| clusterType |
X-ray luminous cluster
ⓘ
rich cluster ⓘ |
| constellation | Centaurus NERFINISHED ⓘ |
| contains | hundreds of member galaxies ⓘ |
| discoveredBy | George O. Abell (via Abell cluster catalog compilation) NERFINISHED ⓘ |
| distanceFromEarth | approximately 600 million light-years ⓘ |
| dominantEmission | X-ray emission from intracluster medium ⓘ |
| epoch | J2000 ⓘ |
| hasAlternativeName |
A 3558
NERFINISHED
ⓘ
ACO 3558 NERFINISHED ⓘ |
| hasBeenObservedBy |
Chandra X-ray Observatory
NERFINISHED
ⓘ
ROSAT X-ray observatory NERFINISHED ⓘ XMM-Newton X-ray observatory NERFINISHED ⓘ |
| hasBeenStudiedFor |
cluster mergers
ⓘ
distribution of dark matter in clusters ⓘ dynamics of galaxy clusters ⓘ large-scale structure in the Shapley Supercluster ⓘ |
| hasEnvironment | high-density large-scale structure region ⓘ |
| hasFeature |
complex X-ray morphology
ⓘ
substructure in galaxy distribution ⓘ |
| hasHotGas | intracluster medium ⓘ |
| hasPhysicalProperty | massive ⓘ |
| hasTemperature | intracluster gas temperature of several keV ⓘ |
| isOneOf | most massive clusters in the Shapley Supercluster ⓘ |
| locatedIn | Shapley Supercluster NERFINISHED ⓘ |
| memberOf | Abell catalog of rich clusters of galaxies NERFINISHED ⓘ |
| partOf | Shapley Concentration NERFINISHED ⓘ |
| redshift | 0.048 ⓘ |
| richnessClass | 4 ⓘ |
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 3558 Description of subject: Abell 3558 is a massive galaxy cluster located within the Shapley Supercluster, one of the most densely populated regions of galaxy clusters in the nearby universe.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.