Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:binary_star_system
|
| gptkbp:apparentMagnitude |
4.91
|
| gptkbp:component |
VV Cephei A
VV Cephei B |
| gptkbp:declination |
+63° 37′ 32″
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:discoveredIn |
1784
|
| gptkbp:distanceFromEarth |
5000 light years
|
| gptkbp:epoch |
gptkb:J2000
|
| gptkbp:locatedIn |
gptkb:constellation_Cepheus
|
| gptkbp:orbitType |
20.3 years
|
| gptkbp:otherDesignation |
gptkb:SAO_33626
BD+60 2636 HD 208816 HIP 108317 |
| gptkbp:rightAscension |
21h 56m 39.1s
|
| gptkbp:spectralType |
M2 Iab + B0-2 V
|
| gptkbp:variableStar |
Eclipsing binary
|
| gptkbp:VV_Cephei_A_instanceOf |
gptkb:red_supergiant
|
| gptkbp:VV_Cephei_A_luminosity |
200,000 times Sun
|
| gptkbp:VV_Cephei_A_mass |
18 solar masses
|
| gptkbp:VV_Cephei_A_radius |
1050 solar radii
|
| gptkbp:VV_Cephei_B_instanceOf |
blue main-sequence star
|
| gptkbp:VV_Cephei_B_luminosity |
25,000 times Sun
|
| gptkbp:VV_Cephei_B_mass |
8 solar masses
|
| gptkbp:bfsParent |
gptkb:constellation_Cepheus
|
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
VV Cephei
|