Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:apparentMagnitude |
3.21
|
| gptkbp:declination |
+77° 37′ 56″
|
| gptkbp:discoveredExoplanets |
1988
|
| gptkbp:distanceFromEarth |
45 light-years
|
| gptkbp:futureNorthStar |
true
|
| gptkbp:hasComponent |
gptkb:Gamma_Cephei_A
gptkb:Gamma_Cephei_B |
| gptkbp:hasExoplanet |
gptkb:Gamma_Cephei_Ab
|
| https://www.w3.org/2000/01/rdf-schema#label |
Gamma Cephei
|
| gptkbp:locatedIn |
gptkb:constellation_Cepheus
|
| gptkbp:mainStar |
gptkb:Gamma_Cephei_A
|
| gptkbp:otherName |
gptkb:Alrai
gptkb:Errai |
| gptkbp:parallax |
72.69 mas
|
| gptkbp:properMotionRA |
+198.85 mas/yr (RA), +66.99 mas/yr (Dec)
|
| gptkbp:radialVelocity |
-12.3 km/s
|
| gptkbp:rightAscension |
23h 39m 20.8s
|
| gptkbp:secondaryStar |
gptkb:Gamma_Cephei_B
|
| gptkbp:spectralType |
K1IV
|
| gptkbp:stellarSystemType |
binary star system
|
| gptkbp:bfsParent |
gptkb:The_North_Star
|
| gptkbp:bfsLayer |
5
|