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gptkbp:instanceOf
|
binary star system
|
|
gptkbp:alsoKnownAs
|
gptkb:Beta_Centauri
|
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gptkbp:apparentMagnitude
|
0.61
|
|
gptkbp:catalogueNumber
|
gptkb:HD_122451
gptkb:HIP_68702
gptkb:HR_5267
gptkb:SAO_252582
gptkb:CD−60°5293
gptkb:WDS_J14039-6022
gptkb:FK5_526
GC 18841
|
|
gptkbp:colorIndexB-V
|
-0.23
-0.93
|
|
gptkbp:component
|
gptkb:Beta_Centauri_Aa
gptkb:Beta_Centauri_Ab
gptkb:Beta_Centauri_B
|
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gptkbp:declination
|
-60° 22′ 23″
|
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gptkbp:discoveredBy
|
gptkb:John_Herschel
|
|
gptkbp:discoveredIn
|
1834
|
|
gptkbp:distanceFromEarth
|
~390 light years
|
|
gptkbp:eponymOf
|
Hadar (Arabic for 'ground' or 'settled area')
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Hadar triple star system
|
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gptkbp:locatedIn
|
constellation Centaurus
|
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gptkbp:luminosity
|
~25,000 times Sun (Ab)
~66,000 times Sun (Aa)
~870 times Sun (B)
|
|
gptkbp:mass
|
~10 solar masses (Ab)
~4 solar masses (B)
~14 solar masses (Aa)
|
|
gptkbp:notableFor
|
one of the brightest stars in the southern sky
|
|
gptkbp:orbitType
|
357 days (Aa-Ab)
~1,500 years (A-B)
|
|
gptkbp:parallax
|
0.48 mas
8.31 mas
|
|
gptkbp:properMotionRA
|
-33.18 mas/yr
-13.56 mas/yr
|
|
gptkbp:radialVelocity
|
-9 km/s
|
|
gptkbp:rankInBrightnessInCentaurus
|
2
|
|
gptkbp:rankInBrightnessInNightSky
|
10
|
|
gptkbp:rightAscension
|
14h 03m 49.4s
|
|
gptkbp:spectralType
|
B1 III
B1 V
|
|
gptkbp:usedFor
|
celestial navigation
|
|
gptkbp:visibleToNakedEye
|
yes
|
|
gptkbp:bfsParent
|
gptkb:Hadar_C
|
|
gptkbp:bfsLayer
|
7
|