Keystone of Hercules
E922158
The Keystone of Hercules is a prominent quadrilateral asterism that forms the torso of the constellation Hercules and helps observers locate it in the night sky.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Keystone of Hercules canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T11376965 — 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: Keystone of Hercules Context triple: [Hercules, hasMainAsterism, Keystone of Hercules]
-
A.
The Great Hercules
The Great Hercules is a renowned late 16th-century engraving by Dutch artist Hendrick Goltzius, celebrated for its exaggerated muscular anatomy and virtuosic Mannerist style.
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B.
The Choice of Hercules
The Choice of Hercules is a late 16th-century allegorical painting by Annibale Carracci depicting the hero Hercules choosing between the paths of virtue and vice.
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C.
The Legend of Hercules
The Legend of Hercules is a 2014 fantasy action film that offers an origin-story take on the mythological Greek hero Hercules, focusing on his struggle against a tyrannical king and his discovery of his divine heritage.
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D.
Creatures of Heracles
Creatures of Heracles are the various mythological monsters and beasts that the hero Heracles was tasked with confronting and overcoming in his legendary labors.
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E.
Twelve Labors
The Twelve Labors are a series of heroic feats in Greek mythology that the hero Heracles was compelled to perform as penance, showcasing his strength, endurance, and ingenuity.
- 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: Keystone of Hercules Target entity description: The Keystone of Hercules is a prominent quadrilateral asterism that forms the torso of the constellation Hercules and helps observers locate it in the night sky.
-
A.
The Great Hercules
The Great Hercules is a renowned late 16th-century engraving by Dutch artist Hendrick Goltzius, celebrated for its exaggerated muscular anatomy and virtuosic Mannerist style.
-
B.
The Choice of Hercules
The Choice of Hercules is a late 16th-century allegorical painting by Annibale Carracci depicting the hero Hercules choosing between the paths of virtue and vice.
-
C.
The Legend of Hercules
The Legend of Hercules is a 2014 fantasy action film that offers an origin-story take on the mythological Greek hero Hercules, focusing on his struggle against a tyrannical king and his discovery of his divine heritage.
-
D.
Creatures of Heracles
Creatures of Heracles are the various mythological monsters and beasts that the hero Heracles was tasked with confronting and overcoming in his legendary labors.
-
E.
Twelve Labors
The Twelve Labors are a series of heroic feats in Greek mythology that the hero Heracles was compelled to perform as penance, showcasing his strength, endurance, and ingenuity.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf |
asterism
ⓘ
quadrilateral asterism ⓘ |
| appearsIn | star charts of Hercules ⓘ |
| associatedWith |
Hercules (mythological hero)
ⓘ
linked to:
Heracles
|
| bestSeenIn | summer months in the Northern Hemisphere ⓘ |
| category | asterisms in Hercules ⓘ |
| composedOf | stars of Hercules ⓘ |
| forms | torso of the constellation Hercules ⓘ |
| hasCulturalContext | modern Western astronomy ⓘ |
| hasNameOrigin | named for resemblance to a keystone in an arch ⓘ |
| hasNotableFeature | easily recognizable four-star outline ⓘ |
| hasOrientation | roughly rectangular pattern ⓘ |
| hasRole | guide pattern for star-hopping ⓘ |
| hasShape | quadrilateral ⓘ |
| helpsLocate |
globular cluster Messier 13
ⓘ
linked to:
Messier 13
globular cluster Messier 92 ⓘ
linked to:
Messier 92
|
| isProminentIn | northern sky ⓘ |
| locatedIn | constellation Hercules ⓘ |
| observedIn | optical wavelengths ⓘ |
| partOf | Hercules ⓘ |
| skyArea |
near the celestial equator
ⓘ
region between constellations Lyra and Corona Borealis ⓘ |
| usedBy |
amateur astronomers
ⓘ
stargazers ⓘ |
| usedFor | locating the constellation Hercules in the night sky ⓘ |
| visibleFrom |
Northern Hemisphere
ⓘ
mid-latitude observers ⓘ |
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: Keystone of Hercules Description of subject: The Keystone of Hercules is a prominent quadrilateral asterism that forms the torso of the constellation Hercules and helps observers locate it in the night sky.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.