Abell 3556
E563096
Abell 3556 is a galaxy cluster that forms part of the massive Shapley Supercluster, one of the largest known concentrations of galaxies in the nearby universe.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Abell 3556 canonical | 1 |
| Abell Cluster 3556 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5940527 — 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 3556 Context triple: [Shapley Supercluster, contains, Abell 3556]
-
A.
Abell 3562
Abell 3562 is a massive galaxy cluster located within the Shapley Supercluster, one of the most densely populated regions of galaxy clusters in the nearby universe.
-
B.
Abell 3651
Abell 3651 is a distant galaxy cluster located in the southern constellation Microscopium.
-
C.
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.
-
D.
Abell 3558
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.
-
E.
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.
- 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 3556 Target entity description: Abell 3556 is a galaxy cluster that forms part of the massive Shapley Supercluster, one of the largest known concentrations of galaxies in the nearby universe.
-
A.
Abell 3562
Abell 3562 is a massive galaxy cluster located within the Shapley Supercluster, one of the most densely populated regions of galaxy clusters in the nearby universe.
-
B.
Abell 3651
Abell 3651 is a distant galaxy cluster located in the southern constellation Microscopium.
-
C.
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.
-
D.
Abell 3558
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.
-
E.
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.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
Abell galaxy cluster
ⓘ
galaxy cluster ⓘ |
| belongsToStructure | nearby universe large-scale structure ⓘ |
| catalogCode | A3556 ⓘ |
| clusterRichnessClass | rich cluster ⓘ |
| discoveredBy | George O. Abell ⓘ |
| distanceFromEarth | approximately 600 million light-years ⓘ |
| environment | high-density large-scale structure region ⓘ |
| hasAlternativeName |
ACO 3556
ⓘ
Abell Cluster 3556 ⓘ
linked to:
Abell 3556
|
| hasComponent |
dark matter halo
ⓘ
intracluster medium ⓘ member galaxies ⓘ |
| hasPhysicalProperty |
contains hundreds of galaxies
ⓘ
emits X-ray radiation from hot intracluster gas ⓘ gravitationally bound system of galaxies ⓘ |
| includedInCatalog |
Abell 1958 catalog
ⓘ
linked to:
Abell catalog of rich clusters of galaxies
|
| locatedIn | Shapley Supercluster ⓘ |
| locatedInConstellation | Centaurus ⓘ |
| memberOf | Abell catalog of rich clusters of galaxies ⓘ |
| observedInWavelength |
X-ray
ⓘ
optical ⓘ |
| partOf |
Shapley Concentration
ⓘ
Shapley Supercluster ⓘ core region of the Shapley Supercluster ⓘ |
| redshift | ~0.047 ⓘ |
| studiedFor |
dynamics of galaxy clusters
ⓘ
galaxy evolution in dense environments ⓘ large-scale structure of the universe ⓘ |
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 3556 Description of subject: Abell 3556 is a galaxy cluster that forms part of the massive Shapley Supercluster, one of the largest known concentrations of galaxies in the nearby universe.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Abell 3556