Great Attractor region
E511407
The Great Attractor region is a massive gravitational anomaly in intergalactic space that strongly influences the motion of nearby galaxy clusters, including those in the Hydra–Centaurus Supercluster.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Great Attractor region canonical | 2 |
| Centaurus–Hydra–Norma large-scale region | 1 |
| Great Attractor | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5336626 — 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: Great Attractor region Context triple: [Hydra–Centaurus Supercluster, isDynamicallyConnectedTo, Great Attractor region]
-
A.
Shapley Supercluster
The Shapley Supercluster is one of the most massive known concentrations of galaxies in the nearby universe, exerting a significant gravitational influence on surrounding cosmic structures.
-
B.
Hydra–Centaurus Supercluster
The Hydra–Centaurus Supercluster is a massive nearby concentration of galaxy clusters that forms one of the dominant structures in our cosmic neighborhood and serves as a major component of the larger Laniakea Supercluster.
-
C.
Laniakea Supercluster
Laniakea Supercluster is a vast cosmic structure encompassing the Milky Way and hundreds of thousands of other galaxies, forming one of the largest known galaxy superclusters in the observable universe.
-
D.
Virgo Supercluster
The Virgo Supercluster is a massive galaxy supercluster that contains the Local Group, including the Milky Way, and forms part of the larger Laniakea Supercluster.
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E.
Perseus–Pisces Supercluster
The Perseus–Pisces Supercluster is a massive, elongated concentration of galaxy clusters stretching hundreds of millions of light-years across space and forming one of the most prominent large-scale structures in the nearby universe.
- 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: Great Attractor region Target entity description: The Great Attractor region is a massive gravitational anomaly in intergalactic space that strongly influences the motion of nearby galaxy clusters, including those in the Hydra–Centaurus Supercluster.
-
A.
Shapley Supercluster
The Shapley Supercluster is one of the most massive known concentrations of galaxies in the nearby universe, exerting a significant gravitational influence on surrounding cosmic structures.
-
B.
Hydra–Centaurus Supercluster
The Hydra–Centaurus Supercluster is a massive nearby concentration of galaxy clusters that forms one of the dominant structures in our cosmic neighborhood and serves as a major component of the larger Laniakea Supercluster.
-
C.
Laniakea Supercluster
Laniakea Supercluster is a vast cosmic structure encompassing the Milky Way and hundreds of thousands of other galaxies, forming one of the largest known galaxy superclusters in the observable universe.
-
D.
Virgo Supercluster
The Virgo Supercluster is a massive galaxy supercluster that contains the Local Group, including the Milky Way, and forms part of the larger Laniakea Supercluster.
-
E.
Perseus–Pisces Supercluster
The Perseus–Pisces Supercluster is a massive, elongated concentration of galaxy clusters stretching hundreds of millions of light-years across space and forming one of the most prominent large-scale structures in the nearby universe.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical structure
ⓘ
gravitational anomaly ⓘ mass concentration ⓘ |
| alternativeName | Great Attractor NERFINISHED ⓘ |
| associatedWith |
Centaurus Cluster
NERFINISHED
ⓘ
Hydra Cluster NERFINISHED ⓘ Norma Cluster (Abell 3627) NERFINISHED ⓘ |
| contains |
large-scale filamentary structures
ⓘ
rich galaxy clusters ⓘ |
| coordinateSystem |
near Galactic latitude ~ 0°
ⓘ
near Galactic longitude ~ 320° ⓘ |
| cosmologicalRole | major component of local large-scale structure ⓘ |
| discoveredBy | Lynden-Bell et al. NERFINISHED ⓘ |
| discoveryMethod | galaxy peculiar velocity measurements ⓘ |
| distanceFromEarth | approximately 150 to 250 million light-years ⓘ |
| epochOfDiscovery | 1980s ⓘ |
| gravitationallyAttracts |
Hydra–Centaurus Supercluster
NERFINISHED
ⓘ
Local Group NERFINISHED ⓘ Virgo Cluster NERFINISHED ⓘ |
| hasEffect |
bulk flow of local universe galaxies
ⓘ
peculiar velocities of galaxies ⓘ |
| hasProperty |
identified through galaxy velocity field anomalies
ⓘ
not directly visible in optical light ⓘ |
| hasUncertainNature | exact mass distribution not well constrained ⓘ |
| influences |
cosmic flow models
ⓘ
measurements of the Hubble constant locally ⓘ |
| influencesMotionOf |
Hydra–Centaurus Supercluster
NERFINISHED
ⓘ
Local Group of galaxies NERFINISHED ⓘ Virgo Supercluster NERFINISHED ⓘ nearby galaxy clusters ⓘ |
| isSubjectOf |
large-scale structure mapping surveys
ⓘ
observational cosmology research ⓘ |
| locatedIn |
direction of the constellations Centaurus and Norma
ⓘ
intergalactic space ⓘ |
| massEstimate | on the order of 10^16 solar masses ⓘ |
| obscuredBy | Milky Way disk NERFINISHED ⓘ |
| observationalChallenge | lies behind the Milky Way’s Zone of Avoidance ⓘ |
| partOf | Laniakea Supercluster NERFINISHED ⓘ |
| redshift | z ≈ 0.016 ⓘ |
| relatedPhenomenon | Laniakea Supercluster gravitational basin NERFINISHED ⓘ |
| relatedTo | Shapley Supercluster NERFINISHED ⓘ |
| scale | tens of megaparsecs ⓘ |
| studiedIn |
X-ray wavelengths
ⓘ
infrared wavelengths ⓘ radio wavelengths ⓘ |
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: Great Attractor region Description of subject: The Great Attractor region is a massive gravitational anomaly in intergalactic space that strongly influences the motion of nearby galaxy clusters, including those in the Hydra–Centaurus Supercluster.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Great Attractor
this entity surface form:
Centaurus–Hydra–Norma large-scale region