Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
gptkb:variable_star |
| gptkbp:apparentMagnitude |
6.54
|
| gptkbp:constellation |
gptkb:Vulpecula
|
| gptkbp:declination |
+23° 47′ 02″
|
| gptkbp:discoveredBy |
1937
|
| gptkbp:distanceFromEarth |
~3,000 light years
|
| gptkbp:luminosity |
~20,000 times Sun
|
| gptkbp:mass |
~11 solar masses
|
| gptkbp:otherDesignation |
HD 199140
2MASS J19443613+2347020 BD+23 3936 GSC 02197-01444 HIP 103222 SAO 88721 |
| gptkbp:parallax |
1.09 mas
|
| gptkbp:period |
0.201 days
|
| gptkbp:radialVelocity |
-6.00 km/s
|
| gptkbp:rightAscension |
19h 44m 36.1s
|
| gptkbp:spectralType |
B2III
|
| gptkbp:temperature |
~22,000 K
|
| gptkbp:variabilityAmplitude |
~0.7 magnitudes
|
| gptkbp:variableType |
gptkb:Beta_Cephei_variable
|
| gptkbp:bfsParent |
gptkb:Beta_Cephei_variable_stars
|
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
BW Vulpeculae
|