Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:age |
~12.5 million years
|
| gptkbp:apparentMagnitude |
1.04
|
| gptkbp:component |
Alpha Virginis binary system
|
| gptkbp:constellation |
gptkb:Virgo
|
| gptkbp:declination |
-11° 09′ 41″
|
| gptkbp:diameter |
~7.5 solar radii
|
| gptkbp:discoveredBy |
John Flamsteed (catalogued)
|
| gptkbp:distanceFromEarth |
~250 light-years
|
| gptkbp:luminosity |
~12,100 times solar luminosity
|
| gptkbp:mass |
~10.5 solar masses
|
| gptkbp:metallicity |
slightly sub-solar
|
| gptkbp:orbitalPeriodWithCompanion |
~4.0145 days
|
| gptkbp:otherName |
Spica A
|
| gptkbp:partOf |
gptkb:Alpha_Virginis
|
| gptkbp:rightAscension |
13h 25m 11.6s
|
| gptkbp:rotationPeriod |
~199 km/s
|
| gptkbp:spectralType |
B1V
|
| gptkbp:temperature |
~25,300 K
|
| gptkbp:variableType |
ellipsoidal variable
|
| gptkbp:bfsParent |
gptkb:Alpha_Virginis
|
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
Alpha Virginis A
|