HD 108248

E533148

HD 108248 is the Henry Draper Catalogue designation for Alpha Crucis, the brightest star in the Southern Cross constellation.

All labels observed (1)

Label Occurrences
HD 108248 canonical 2

How this entity was disambiguated

Statements (51)

Predicate Object
instanceOf B-type star system ⓘ
multiple star system ⓘ
star system ⓘ
age_Myr about 10 ⓘ
alsoKnownAs Acrux ⓘ
Alpha Crucis ⓘ
α Crucis ⓘ
linked to: Alpha Crucis
apparentMagnitudeV 1.25 ⓘ
appearsOnFlagOf Australia ⓘ
Brazil (as part of Crux) ⓘ
New Zealand ⓘ
Papua New Guinea ⓘ
belongsToStellarPopulation young disk population ⓘ
catalogName Henry Draper Catalogue ⓘ
colorIndexBminusV -0.24 ⓘ
constellation Crux ⓘ
declination −63° 05′ 56″ ⓘ
distanceFromEarth_ly about 320 ⓘ
distanceFromEarth_pc about 98 ⓘ
effectiveTemperature_K about 28,000 (primary component) ⓘ
equatorialHemisphere southern celestial hemisphere ⓘ
galacticLatitude_deg -0.60 ⓘ
galacticLongitude_deg 300.13 ⓘ
hasCloseSpectroscopicPair true ⓘ
hasComponent Alpha Crucis A ⓘ
linked to: Alpha Crucis

Alpha Crucis B ⓘ
linked to: Alpha Crucis

Alpha Crucis C ⓘ
linked to: Alpha Crucis
hasStrongStellarWinds true ⓘ
isBinary true ⓘ
isBrightestStarIn Crux ⓘ
isFirstMagnitudeStar true ⓘ
isNakedEyeVisible true ⓘ
isNavigationStar true ⓘ
isOnFlagOfCountry true ⓘ
isPartOfAsterism Southern Cross ⓘ
isXRaySource true ⓘ
luminositySolar about 25,000 (primary component) ⓘ
massSolar about 15 (secondary close component) ⓘ
about 18 (primary component) ⓘ
orbitalPeriod_days about 76 (inner pair) ⓘ
parallax_mas 10.13 ⓘ
parallaxError_mas 0.15 ⓘ
properMotionDec_masPerYr -14.82 ⓘ
properMotionRA_masPerYr -35.83 ⓘ
radialVelocity_kmPerSec +16 ⓘ
radiusSolar about 7.8 (primary component) ⓘ
rightAscension 12h 26m 35.9s ⓘ
spectralType B0.5 IV + B1 V ⓘ
usedForSouthernHemisphereNavigation true ⓘ
visualCompanionMagnitude 4.8 ⓘ
visualCompanionSeparation_arcsec about 4 ⓘ

How these facts were elicited

Referenced by (2)

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

Alpha Crucis → hasHDDesignation → HD 108248 ⓘ
HIP 60718 → catalogDesignation → HD 108248 ⓘ