Gamma Orionis
E554482
Gamma Orionis, better known as Bellatrix, is a bright blue giant star in the constellation Orion that serves as one of its prominent shoulder stars.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| γ Orionis | 1 |
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
blue giant star
ⓘ
star ⓘ |
| hasAge | about 25 million years ⓘ |
| hasApparentMagnitudeV | 1.64 ⓘ |
| hasBayerDesignation | γ Orionis NERFINISHED ⓘ |
| hasBDDesignation | +06 919 NERFINISHED ⓘ |
| hasColorIndexBMinusV | −0.21 ⓘ |
| hasColorIndexUMinusB | −0.88 ⓘ |
| hasDeclinationJ2000 | +06° 20′ 59″ ⓘ |
| hasDistanceFromSun |
approximately 250 light-years
ⓘ
approximately 77 parsecs ⓘ |
| hasEffectiveTemperature | about 21,500 K ⓘ |
| hasEquatorialCoordinatesEpoch | J2000 ⓘ |
| hasFlamsteedDesignation | 24 Orionis NERFINISHED ⓘ |
| hasHenryDraperDesignation | HD 35468 NERFINISHED ⓘ |
| hasHipparcosDesignation | HIP 25336 NERFINISHED ⓘ |
| hasHRDesignation | HR 1790 NERFINISHED ⓘ |
| hasIAUApprovedName | Bellatrix NERFINISHED ⓘ |
| hasIAUNameApprovalYear | 2016 ⓘ |
| hasLuminosity | about 9,000 times solar luminosity ⓘ |
| hasMass | about 7.7 solar masses ⓘ |
| hasParallax | 12.92 mas ⓘ |
| hasParallaxError | 0.36 mas ⓘ |
| hasProperMotionDec | −12.46 mas/yr ⓘ |
| hasProperMotionRA | −8.75 mas/yr ⓘ |
| hasProperName | Bellatrix NERFINISHED ⓘ |
| hasRadialVelocity | +18 km/s ⓘ |
| hasRadius | about 5.8 solar radii ⓘ |
| hasRightAscensionJ2000 | 05h 25m 07.9s ⓘ |
| hasSIMBADIdentifier | gam Ori NERFINISHED ⓘ |
| hasSpectralType | B2III ⓘ |
| hasSpectralVariability | true ⓘ |
| hasTraditionalNameMeaning | female warrior ⓘ |
| hasTraditionalNameOriginLanguage | Latin ⓘ |
| hasVariableApparentMagnitudeRange | 1.59–1.64 ⓘ |
| isCataloguedIn |
Bright Star Catalogue
NERFINISHED
ⓘ
Henry Draper Catalogue NERFINISHED ⓘ Hipparcos Catalogue NERFINISHED ⓘ |
| isColor | blue ⓘ |
| isNotMemberOf | Orion OB1 association NERFINISHED ⓘ |
| isOneOfBrightestStarsIn | Orion NERFINISHED ⓘ |
| isPartOfAsterism | Orion NERFINISHED ⓘ |
| isShoulderStarOf | Orion NERFINISHED ⓘ |
| isSpectralLuminosityClass | giant ⓘ |
| isVisibleToNakedEye | true ⓘ |
| locatedInConstellation | Orion NERFINISHED ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.