|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:apparentMagnitude
|
0.97
-3.55
|
|
gptkbp:catalogueNumber
|
gptkb:ADS_8816
gptkb:BD-10_3672
gptkb:FK5_494
gptkb:GC_18130
gptkb:HD_116658
gptkb:HIP_65474
gptkb:HR_5056
gptkb:SAO_157923
gptkb:WDS_J13252-1109
|
|
gptkbp:colorIndexB-V
|
-0.23
-0.93
|
|
gptkbp:constellation
|
gptkb:Virgo
|
|
gptkbp:culturalSignificance
|
important in ancient Greek and Roman mythology
associated with the goddess of wheat and agriculture
|
|
gptkbp:declination
|
-11° 09′ 40.75″
|
|
gptkbp:diameter
|
3.64 solar radii (secondary)
7.47 solar radii (primary)
|
|
gptkbp:discoveredBy
|
known since antiquity
|
|
gptkbp:discoveryEpoch
|
prehistory
|
|
gptkbp:distanceFromEarth
|
250 light years
|
|
gptkbp:eclipticProximity
|
close to the ecliptic
|
|
gptkbp:luminosity
|
1,500 times Sun (secondary)
12,100 times Sun (primary)
|
|
gptkbp:mass
|
10.25 solar masses (primary)
7.0 solar masses (secondary)
|
|
gptkbp:metallicity
|
-0.23 [Fe/H]
|
|
gptkbp:notableFor
|
brightest star in Virgo
one of the 20 brightest stars in the night sky
|
|
gptkbp:orbitType
|
4.0145 days
|
|
gptkbp:otherName
|
gptkb:Alpha_Virginis
|
|
gptkbp:parallax
|
12.44 mas
|
|
gptkbp:properMotionRA
|
-31.73 mas/yr
-42.36 mas/yr
|
|
gptkbp:radialVelocity
|
-1.1 km/s
|
|
gptkbp:rightAscension
|
13h 25m 11.579s
|
|
gptkbp:rotationPeriod
|
199 km/s (primary)
87 km/s (secondary)
|
|
gptkbp:spectralType
|
B1 III-IV + B2 V
|
|
gptkbp:stellarSystemType
|
gptkb:binary_star_system
|
|
gptkbp:temperature
|
18,500 K (secondary)
22,400 K (primary)
|
|
gptkbp:usedIn
|
gptkb:navigation
gptkb:astrology
|
|
gptkbp:variableType
|
gptkb:Beta_Cephei_variable
|
|
gptkbp:bfsParent
|
gptkb:Yoko_Kanno
gptkb:Beta_Cephei_variable
gptkb:TSM
|
|
gptkbp:bfsLayer
|
6
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Spica
|