Delta Orionis

E544956

Delta Orionis, traditionally known as Mintaka, is a multiple star system that forms the westernmost star in Orion’s Belt and serves as an important navigational and astrophysical reference point.

All labels observed (9)

How this entity was disambiguated

Statements (42)

Predicate Object
instanceOf B-type main-sequence star ⓘ
O-type giant star ⓘ
multiple star system ⓘ
formsPartOfAsterism Orion's Belt ⓘ
linked to: Orion Belt region
hasApparentMagnitudeV 2.23 ⓘ
hasBayerDesignation δ Orionis ⓘ
linked to: Delta Orionis
hasComponent Delta Orionis A ⓘ
linked to: Delta Orionis

Delta Orionis Aa ⓘ
linked to: Delta Orionis

Delta Orionis Aa1 ⓘ
linked to: Delta Orionis

Delta Orionis Aa2 ⓘ
linked to: Delta Orionis

Delta Orionis Ab ⓘ
linked to: Delta Orionis

Delta Orionis B ⓘ
linked to: Delta Orionis

Delta Orionis C ⓘ
linked to: Delta Orionis
hasDeclination +00° 17′ 57″ ⓘ
hasDistanceFromEarth_ly ~1200 ⓘ
hasEffectiveTemperature_K ~30000 ⓘ
hasEquinox J2000.0 ⓘ
hasFlamsteedDesignation 34 Orionis ⓘ
hasLuminosity_solarLuminosities >100000 ⓘ
hasMass_solarMasses >20 ⓘ
hasOrbitalPeriod_days ~5.7 ⓘ
hasOtherDesignation HD 36486 ⓘ
HIP 25930 ⓘ
HR 1852 ⓘ
hasParallax_mas ~2.5 ⓘ
hasRadialVelocity_kmPerSec ~+25 ⓘ
hasRightAscension 05h 32m 00s ⓘ
hasSpectralType O9.5 II ⓘ
hasTraditionalName Mintaka ⓘ
hasVariableType eclipsing binary ⓘ
isBestSeenInMonth January ⓘ
isBrightestComponent Delta Orionis Aa1 ⓘ
linked to: Delta Orionis
isEclipsingBinary true ⓘ
isImportantFor astrophysical calibration ⓘ
stellar evolution studies ⓘ
isMassiveStarSystem true ⓘ
isSpectroscopicBinary true ⓘ
isUsedAs navigational reference star ⓘ
isVariableStar true ⓘ
isWesternmostStarOf Orion's Belt ⓘ
linked to: Orion Belt region
locatedInConstellation Orion ⓘ
visibleFrom both hemispheres ⓘ

How these facts were elicited

Referenced by (24)

Full triples — surface form annotated when it differs from this entity's canonical label.

Mintaka → alsoKnownAs → Delta Orionis ⓘ
Mintaka → alsoKnownAs → δ Orionis ⓘ
linked to: Delta Orionis
V* del Ori → alsoKnownAs → Delta Orionis ⓘ
V* del Ori → alsoKnownAs → δ Orionis ⓘ
linked to: Delta Orionis
V* del Ori → hasComponent → Delta Orionis A ⓘ
linked to: Delta Orionis
V* del Ori → hasComponent → Delta Orionis B ⓘ
linked to: Delta Orionis
V* del Ori → hasComponent → Delta Orionis C ⓘ
linked to: Delta Orionis
V* del Ori → BayerDesignation → Delta Orionis ⓘ
HR 1852 → hasBayerDesignation → Delta Orionis ⓘ
HD 36486 → alsoKnownAs → Delta Orionis ⓘ
HD 36486 → hasBayerDesignation → δ Orionis ⓘ
linked to: Delta Orionis
HIP 25930 → alsoKnownAs → Delta Orionis ⓘ
HIP 25930 → BayerDesignation → Delta Orionis ⓘ
SAO 132220 → alsoKnownAs → Delta Orionis ⓘ
SAO 132220 → BayerDesignation → Delta Orionis ⓘ
Delta Orionis → hasBayerDesignation → δ Orionis ⓘ
linked to: Delta Orionis
Delta Orionis → hasComponent → Delta Orionis A ⓘ
linked to: Delta Orionis
Delta Orionis → hasComponent → Delta Orionis B ⓘ
linked to: Delta Orionis
Delta Orionis → hasComponent → Delta Orionis C ⓘ
linked to: Delta Orionis
Delta Orionis A → hasComponent → Delta Orionis Aa ⓘ
subject linked to: Delta Orionis
linked to: Delta Orionis
Delta Orionis A → hasComponent → Delta Orionis Ab ⓘ
subject linked to: Delta Orionis
linked to: Delta Orionis
Delta Orionis Aa → hasComponent → Delta Orionis Aa1 ⓘ
subject linked to: Delta Orionis
linked to: Delta Orionis
Delta Orionis Aa → hasComponent → Delta Orionis Aa2 ⓘ
subject linked to: Delta Orionis
linked to: Delta Orionis
Delta Orionis → isBrightestComponent → Delta Orionis Aa1 ⓘ
linked to: Delta Orionis