Rasalhague
E479080
Rasalhague is the brightest star in the constellation Ophiuchus, representing the head of the serpent-bearer in the night sky.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Rasalhague canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4911768 — 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: Rasalhague Context triple: [Ophiuchus, containsBrightStar, Rasalhague]
-
A.
Defaka
Defaka is an endangered Ijoid language spoken by a small community in Nigeria's Niger Delta region.
-
B.
Jabbah
Jabbah is a multiple-star system in the constellation Scorpius, visible to the naked eye and known for its complex stellar components.
-
C.
Thoosa
Thoosa is a minor sea nymph in Greek mythology, known primarily as the mother of the Cyclops Polyphemus by the sea god Poseidon.
-
D.
Mordaunt
Mordaunt is a vengeful and fanatical antagonist in Alexandre Dumas’ d'Artagnan romances, known as the ruthless son of Milady de Winter who seeks to destroy the musketeers.
-
E.
Ghiscari
The Ghiscari are an ancient people of the world of "A Song of Ice and Fire," known for their once-mighty empire in Slaver's Bay and their distinct culture centered around cities like Meereen, Yunkai, and Astapor.
- 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: Rasalhague Target entity description: Rasalhague is the brightest star in the constellation Ophiuchus, representing the head of the serpent-bearer in the night sky.
-
A.
Defaka
Defaka is an endangered Ijoid language spoken by a small community in Nigeria's Niger Delta region.
-
B.
Jabbah
Jabbah is a multiple-star system in the constellation Scorpius, visible to the naked eye and known for its complex stellar components.
-
C.
Thoosa
Thoosa is a minor sea nymph in Greek mythology, known primarily as the mother of the Cyclops Polyphemus by the sea god Poseidon.
-
D.
Mordaunt
Mordaunt is a vengeful and fanatical antagonist in Alexandre Dumas’ d'Artagnan romances, known as the ruthless son of Milady de Winter who seeks to destroy the musketeers.
-
E.
Ghiscari
The Ghiscari are an ancient people of the world of "A Song of Ice and Fire," known for their once-mighty empire in Slaver's Bay and their distinct culture centered around cities like Meereen, Yunkai, and Astapor.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
astronomicalObject
ⓘ
star ⓘ |
| hasAlternativeName | Alpha Ophiuchi NERFINISHED ⓘ |
| hasApparentMagnitude | 2.07 ⓘ |
| hasApparentMagnitudeV | 2.07 ⓘ |
| hasBayerDesignation | α Ophiuchi NERFINISHED ⓘ |
| hasColor | white ⓘ |
| hasCompanion | Rasalhague B NERFINISHED ⓘ |
| hasCompanionSpectralType | K-type main-sequence star ⓘ |
| hasConstellationAbbreviation | Oph NERFINISHED ⓘ |
| hasDeclination | +12° 33′ 36″ ⓘ |
| hasDistanceFromEarth_ly | approximately 48.6 ⓘ |
| hasDistanceFromEarth_pc | approximately 14.9 ⓘ |
| hasEffectiveTemperature_K | about 8000 ⓘ |
| hasEquinox | J2000.0 ⓘ |
| hasFlamsteedDesignation | 55 Ophiuchi NERFINISHED ⓘ |
| hasGalacticLatitude_deg | about +22.4 ⓘ |
| hasGalacticLongitude_deg | about 35.9 ⓘ |
| hasHDDesignation | HD 159561 NERFINISHED ⓘ |
| hasHIPDesignation | HIP 86032 NERFINISHED ⓘ |
| hasHRDesignation | HR 6556 NERFINISHED ⓘ |
| hasIAUConstellation | Ophiuchus NERFINISHED ⓘ |
| hasLuminosity_solarLuminosity | about 25 ⓘ |
| hasMass_solarMass | about 2.4 ⓘ |
| hasOblateness | significant ⓘ |
| hasParallax_mas | about 67.1 ⓘ |
| hasRadius_solarRadius | about 2.9 ⓘ |
| hasRightAscension | 17h 34m 56.0s ⓘ |
| hasRotationalVelocity_kmPerSec | about 240 ⓘ |
| hasSpectralType |
A5III
ⓘ
A5IV ⓘ |
| hasTraditionalNameOrigin | Arabic ⓘ |
| hasVariableType | none known significant ⓘ |
| isBrightestStarIn | Ophiuchus NERFINISHED ⓘ |
| isIAUApprovedName | true ⓘ |
| isInBinarySystem | true ⓘ |
| isInConstellation | Ophiuchus NERFINISHED ⓘ |
| isNorthernStar | true ⓘ |
| isPartOf | Ophiuchus constellation NERFINISHED ⓘ |
| isPartOfAsterism | figure of Ophiuchus ⓘ |
| isRapidRotator | true ⓘ |
| isVisibleFrom |
Northern Hemisphere
NERFINISHED
ⓘ
Southern Hemisphere NERFINISHED ⓘ |
| nameDerivedFrom | Arabic phrase "raʾs al-ḥawwā" NERFINISHED ⓘ |
| nameMeaning | head of the serpent-charmer ⓘ |
| represents | head of the serpent-bearer ⓘ |
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: Rasalhague Description of subject: Rasalhague is the brightest star in the constellation Ophiuchus, representing the head of the serpent-bearer in the night sky.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.