Statements (63)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:age |
12.5 million years
|
| gptkbp:apparentMagnitude |
0.97
|
| gptkbp:catalogueNumber |
gptkb:BD-10_3672
gptkb:FK5_494 gptkb:HD_116658 gptkb:HIP_65474 gptkb:HR_5056 gptkb:SAO_157923 gptkb:WDS_J13252-1109 2MASS J13251157-1109407 AAVSO 1317-10 ADS 8817 CCDM J13252-1109A CD-10 3472 GC 18119 GEN# +1.00116658 GSC 05508-00803 IDS 13207-1057 A NSV 6176 PLX 3122 PPM 217464 Simbad: alf+Vir TYC 5508-803-1 |
| gptkbp:component |
Spica A
Spica B |
| gptkbp:constellation |
gptkb:Virgo
|
| gptkbp:declination |
-11° 09′ 40.75″
|
| gptkbp:diameter |
3.64 solar radii (secondary)
7.47 solar radii (primary) |
| gptkbp:discoveredBy |
ancient astronomers
|
| gptkbp:distanceFromEarth |
250 light years
|
| gptkbp:eccentricity |
0.067
|
| gptkbp:eclipticLatitude |
-2.09°
203.67° |
| https://www.w3.org/2000/01/rdf-schema#label |
SPICA
|
| gptkbp:IAUApprovedName |
gptkb:Spica
|
| gptkbp:inclination |
65.9°
|
| gptkbp:luminosity |
2,254 times Sun (secondary)
20,512 times Sun (primary) |
| gptkbp:mass |
10.25 solar masses (primary)
7.0 solar masses (secondary) |
| gptkbp:metallicity |
-0.23 [Fe/H]
|
| gptkbp:nameMeaning |
Latin for 'ear of grain'
|
| 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
0.80 mas |
| gptkbp:properMotionRA |
-31.73 mas/yr
-42.36 mas/yr |
| gptkbp:rightAscension |
13h 25m 11.579s
|
| gptkbp:rotationPeriod |
199 km/s (primary)
87 km/s (secondary) |
| gptkbp:spectralType |
binary star system
B1 III-IV + B2 V |
| gptkbp:temperature |
18,500 K (secondary)
22,400 K (primary) |
| gptkbp:usedIn |
gptkb:navigation
|
| gptkbp:variableType |
ellipsoidal variable
|
| gptkbp:bfsParent |
gptkb:SRON
|
| gptkbp:bfsLayer |
6
|