Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:apparentMagnitude |
3.21
|
| gptkbp:component |
γ Cephei A
γ Cephei B |
| gptkbp:declination |
+77° 37′ 56″
|
| gptkbp:distanceFromEarth |
yes
approximately 45 light-years |
| gptkbp:hasComponent |
γ Cephei A
γ Cephei B |
| gptkbp:hasExoplanet |
γ Cephei Ab
|
| https://www.w3.org/2000/01/rdf-schema#label |
γ Cephei
|
| gptkbp:locatedIn |
gptkb:constellation_Cepheus
|
| gptkbp:notableFor |
first star system where an exoplanet was detected (later confirmed)
|
| gptkbp:otherName |
gptkb:Alrai
gptkb:Errai |
| gptkbp:parallax |
72.69 mas
|
| gptkbp:properMotionRA |
+198.95 mas/yr
+66.99 mas/yr |
| gptkbp:radialVelocity |
-29.9 km/s
|
| gptkbp:rightAscension |
23h 39m 20.8s
|
| gptkbp:spectralType |
K1III-IV
|
| gptkbp:bfsParent |
gptkb:Alrai
|
| gptkbp:bfsLayer |
7
|