Dschubba
E473831
Dschubba is a bright multiple star system that forms the "head" of the constellation Scorpius and is designated Delta Scorpii.
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical object
ⓘ
multiple star system ⓘ star in Scorpius ⓘ stellar system ⓘ |
| formsPartOf | head of Scorpius ⓘ |
| hasAlternativeName | Dschubba NERFINISHED ⓘ |
| hasApparentMagnitude | about 2.3 ⓘ |
| hasBayerDesignation | δ Scorpii NERFINISHED ⓘ |
| hasColor | blue-white ⓘ |
| hasComponent |
Delta Scorpii A
NERFINISHED
ⓘ
Delta Scorpii B NERFINISHED ⓘ Delta Scorpii C NERFINISHED ⓘ |
| hasConstellation | Scorpius NERFINISHED ⓘ |
| hasDeclination | −22° ⓘ |
| hasDesignation | Delta Scorpii NERFINISHED ⓘ |
| hasDistanceFromEarth |
about 150 parsecs
ⓘ
about 490 light-years ⓘ |
| hasEffectiveTemperature | about 27,000 K (primary component) ⓘ |
| hasEquinox | J2000.0 ⓘ |
| hasEtymology | from Arabic "jabhat" meaning "forehead" ⓘ |
| hasFlamsteedDesignation | 7 Scorpii ⓘ |
| hasGalacticPopulation | thin disk ⓘ |
| hasHenryDraperNumber | HD 143275 NERFINISHED ⓘ |
| hasHipparcosNumber | HIP 78401 NERFINISHED ⓘ |
| hasIAUApprovedName | Dschubba NERFINISHED ⓘ |
| hasLuminosity | tens of thousands of times solar luminosity (primary component) ⓘ |
| hasMass | about 12 solar masses (primary component) ⓘ |
| hasOrbitalPeriod | about 10.6 years (A–B pair) ⓘ |
| hasParallax | about 6.5 milliarcseconds ⓘ |
| hasRadialVelocity | receding from the Sun ⓘ |
| hasRadius | about 7 solar radii (primary component) ⓘ |
| hasRightAscension | 16h 00m ⓘ |
| hasRotationalVelocity | high rotational velocity (primary component) ⓘ |
| hasSpectralType | B0.3 IV ⓘ |
| hasTraditionalName | Dschubba NERFINISHED ⓘ |
| hasVariableType | Be star ⓘ |
| isBrightStar | true ⓘ |
| isCataloguedIn |
Henry Draper Catalogue
NERFINISHED
ⓘ
Hipparcos Catalogue NERFINISHED ⓘ |
| isLocatedIn | Milky Way NERFINISHED ⓘ |
| isNakedEyeVisible | true ⓘ |
| isPartOfAsterism | head of the Scorpion ⓘ |
| isUsedFor | celestial navigation in the southern sky ⓘ |
| isVariableStar | true ⓘ |
| isVisibleFrom | Earth NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.