Rasalhague
E479080
Rasalhague is the brightest star in the constellation Ophiuchus, representing the head of the serpent-bearer in the night sky.
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 ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.