HIP 25930
E540371
HIP 25930 is the Hipparcos catalog designation for Mintaka, a bright multiple star system that forms the westernmost star in Orion’s Belt.
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Hipparcos catalog star
ⓘ
astronomical object ⓘ star system ⓘ |
| alsoKnownAs |
Delta Orionis
NERFINISHED
ⓘ
Mintaka NERFINISHED ⓘ |
| apparentMagnitudeV | about 2.23 ⓘ |
| BayerDesignation | Delta Orionis NERFINISHED ⓘ |
| belongsToCatalog |
Henry Draper Catalogue
NERFINISHED
ⓘ
Hipparcos Catalogue NERFINISHED ⓘ |
| colorIndexBMinusV | about −0.20 ⓘ |
| componentOfAsterism | Orion's Belt NERFINISHED ⓘ |
| constellation | Orion NERFINISHED ⓘ |
| declination | −00° 18′ (approx, J2000) ⓘ |
| distanceFromEarth |
about 1,200 light-years
ⓘ
about 360 parsecs ⓘ |
| effectiveTemperature | about 30,000 K (primary) ⓘ |
| evolutionaryStage | bright giant ⓘ |
| FlamsteedDesignation | 34 Orionis NERFINISHED ⓘ |
| galacticPopulation | thin disk ⓘ |
| hasBinaryComponent | Mintaka Aa-Ab NERFINISHED ⓘ |
| hasComponent |
Mintaka A
NERFINISHED
ⓘ
Mintaka B NERFINISHED ⓘ Mintaka C NERFINISHED ⓘ Mintaka D NERFINISHED ⓘ |
| hasEquatorialCoordinates | true ⓘ |
| hasStellarWind | strong ⓘ |
| HDNumber | HD 36486 NERFINISHED ⓘ |
| hemisphereVisibility | both hemispheres ⓘ |
| HRNumber | HR 1852 NERFINISHED ⓘ |
| isBrightStar | true ⓘ |
| locatedNearCelestialEquator | true ⓘ |
| luminosity | over 100,000 times solar luminosity (primary) ⓘ |
| massOfPrimaryComponent | about 20 solar masses ⓘ |
| massOfSecondaryComponent | about 8 solar masses ⓘ |
| multipleStarSystem | true ⓘ |
| orbitalPeriodOfEclipsingPair | about 5.73 days ⓘ |
| parallax | about 2.8 milliarcseconds ⓘ |
| partOfMilkyWay | true ⓘ |
| positionInOrionsBelt | westernmost star ⓘ |
| radialVelocity | about +16 km/s ⓘ |
| rightAscension | 05h 32m (approx, J2000) ⓘ |
| spectralClassOfPrimary | O9.5II ⓘ |
| spectralType | O9.5II (primary component) ⓘ |
| usedAsNavigationStar | true ⓘ |
| variabilityType | eclipsing binary (primary subsystem) ⓘ |
| visibleToNakedEye | true ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.