V* del Ori
E540368
V* del Ori is the variable star designation for Delta Orionis, a bright multiple star system that forms the westernmost star in Orion’s Belt.
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
eclipsing binary
ⓘ
spectroscopic binary ⓘ variable star ⓘ |
| alsoKnownAs |
Delta Orionis
NERFINISHED
ⓘ
Mintaka NERFINISHED ⓘ δ Orionis NERFINISHED ⓘ |
| apparentMagnitudeV | about 2.2 ⓘ |
| BayerDesignation | Delta Orionis NERFINISHED ⓘ |
| bestViewingSeason | northern winter ⓘ |
| catalogDesignation |
HD 36486
NERFINISHED
ⓘ
HIP 25930 NERFINISHED ⓘ HR 1852 NERFINISHED ⓘ |
| componentOfAsterism | Orion’s Belt NERFINISHED ⓘ |
| constellation | Orion NERFINISHED ⓘ |
| declination | about −00° 18′ ⓘ |
| distanceFromEarth |
about 1,200 light-years
ⓘ
about 360 parsecs ⓘ |
| evolutionaryStatus | evolved massive star (primary) ⓘ |
| FlamsteedDesignation | 34 Orionis NERFINISHED ⓘ |
| galacticPopulation | young massive stars ⓘ |
| hasComponent |
Delta Orionis A
NERFINISHED
ⓘ
Delta Orionis B NERFINISHED ⓘ Delta Orionis C NERFINISHED ⓘ |
| hasPhotometricVariability | yes ⓘ |
| hemisphereVisibility | best seen from Northern Hemisphere ⓘ |
| locatedIn | Milky Way ⓘ |
| positionInAsterism | westernmost star of Orion’s Belt ⓘ |
| primaryComponentLuminosity | hundreds of thousands of times the Sun’s luminosity ⓘ |
| primaryComponentMass | several tens of solar masses ⓘ |
| rightAscension | about 05h 32m ⓘ |
| spectralType |
O9.5 II (primary component)
ⓘ
early B-type (secondary components) ⓘ |
| spectroscopicFeatures | strong helium and hydrogen lines typical of O-type stars ⓘ |
| systemType | triple star system (at least) ⓘ |
| variabilityAmplitude | small amplitude in visible light ⓘ |
| variableType |
eclipsing binary
ⓘ
ellipsoidal variable ⓘ |
| visibility | naked-eye star ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.