Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
red supergiant |
| gptkbp:apparentMagnitude |
6.9
|
| gptkbp:catalogue |
gptkb:Henry_Draper_Catalogue
|
| gptkbp:constellation |
Vela
|
| gptkbp:declination |
-40° 33′ 16.9″
|
| gptkbp:diameter |
~30 solar radii
|
| gptkbp:discoveredBy |
19th century
|
| gptkbp:distanceFromEarth |
~1,900 light-years
|
| gptkbp:hasCompanion |
Vela X-1 (neutron star)
|
| https://www.w3.org/2000/01/rdf-schema#label |
HD 77581
|
| gptkbp:luminosity |
~590,000 times Sun
|
| gptkbp:mass |
~23 solar masses
|
| gptkbp:metallicity |
~solar
|
| gptkbp:otherName |
V* GP Vel
Vela X-1 A |
| gptkbp:parallax |
1.70 mas
|
| gptkbp:partOf |
Vela X-1 binary system
|
| gptkbp:radialVelocity |
-1.0 km/s
|
| gptkbp:rightAscension |
09h 02m 06.85s
|
| gptkbp:spectralType |
B0.5Ib
|
| gptkbp:temperature |
~25,000 K
|
| gptkbp:variableType |
binary star system
|
| gptkbp:bfsParent |
gptkb:Vela_X-1
gptkb:BD+05°1668 |
| gptkbp:bfsLayer |
7
|