Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:age |
6.6 billion years
|
| gptkbp:apparentMagnitude |
3.21
|
| gptkbp:declination |
+77° 37′ 56″
|
| gptkbp:diameter |
4.9 solar radii
|
| gptkbp:discoveredExoplanets |
1988
|
| gptkbp:distanceFromEarth |
45 light-years
|
| gptkbp:hasCompanion |
gptkb:Gamma_Cephei_B
|
| gptkbp:hasExoplanet |
gptkb:Gamma_Cephei_Ab
|
| gptkbp:locatedIn |
gptkb:constellation_Cepheus
|
| gptkbp:luminosity |
10.6 solar luminosities
|
| gptkbp:mass |
1.4 solar masses
|
| gptkbp:metallicity |
[Fe/H] = -0.12
|
| gptkbp:otherName |
gptkb:Errai
gptkb:HIP_116727 gptkb:HR_8974 gptkb:HD_222404 |
| gptkbp:parallax |
72.69 mas
|
| gptkbp:partOf |
gptkb:Gamma_Cephei_system
|
| gptkbp:properMotionRA |
+198.95 mas/yr (RA), +66.99 mas/yr (Dec)
|
| gptkbp:radialVelocity |
-12.6 km/s
|
| gptkbp:rightAscension |
23h 39m 20.8s
|
| gptkbp:spectralType |
K1IV
|
| gptkbp:temperature |
4,930 K
|
| gptkbp:variableStar |
no
|
| gptkbp:bfsParent |
gptkb:Gamma_Cephei
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
Gamma Cephei A
|