Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
stellar object |
| gptkbp:affiliatedWith |
gptkb:Scorpius–Centaurus_Association
|
| gptkbp:age |
2 million years
|
| gptkbp:apparentMagnitude |
2.82
|
| gptkbp:catalogue |
gptkb:Henry_Draper_Catalogue
|
| gptkbp:catalogueNumber |
149438
|
| gptkbp:constellation |
gptkb:Scorpius
|
| gptkbp:diameter |
6.5 solar radii
|
| gptkbp:distanceFromEarth |
470 light years
|
| https://www.w3.org/2000/01/rdf-schema#label |
HD 149438
|
| gptkbp:isSingleStar |
yes
|
| gptkbp:luminosity |
20,400 times solar luminosity
|
| gptkbp:magneticFieldStrength |
yes
|
| gptkbp:mass |
15 solar masses
|
| gptkbp:otherName |
gptkb:Tau_Scorpii
gptkb:τ_Scorpii |
| gptkbp:parallax |
6.97 mas
|
| gptkbp:properMotionRA |
-10.16 mas/yr
-25.18 mas/yr |
| gptkbp:radialVelocity |
-0.6 km/s
|
| gptkbp:rotationPeriod |
73 km/s
|
| gptkbp:spectralType |
B0.2V
|
| gptkbp:temperature |
31,400 K
|
| gptkbp:variableStar |
no
|
| gptkbp:bfsParent |
gptkb:Tau_Scorpii
|
| gptkbp:bfsLayer |
7
|