Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
gptkb:astronomer |
| gptkbp:alsoKnownAs |
gptkb:Gamma_Cephei
HD 210027 |
| gptkbp:apparentMagnitude |
3.21
|
| gptkbp:catalogue |
gptkb:Henry_Draper_Catalogue
gptkb:Hipparcos_Catalogue gptkb:Bright_Star_Catalogue |
| gptkbp:catalogueNumber |
gptkb:HIP_109268
gptkb:HR_8465 HD 210027 |
| gptkbp:component |
gptkb:Gamma_Cephei_A
gptkb:Gamma_Cephei_B |
| gptkbp:constellation |
gptkb:Cepheus
|
| gptkbp:containsPlanet |
true
|
| gptkbp:declination |
+77° 37′ 56″
|
| gptkbp:diameter |
4.9 solar radii
|
| gptkbp:discoveredExoplanets |
1988
|
| gptkbp:distanceFromEarth |
45 light years
|
| gptkbp:epoch |
gptkb:J2000
|
| gptkbp:hasExoplanet |
gptkb:Gamma_Cephei_Ab
|
| gptkbp:luminosity |
10.6 solar luminosities
|
| gptkbp:mass |
1.4 solar masses
|
| gptkbp:metallicity |
[Fe/H] = -0.12
|
| gptkbp:parallax |
72.69 mas
|
| gptkbp:radialVelocity |
-12.3 km/s
|
| gptkbp:rightAscension |
23h 39m 20.8s
|
| gptkbp:spectralType |
K1IV
|
| gptkbp:temperature |
4,930 K
|
| gptkbp:bfsParent |
gptkb:Zeta_Cephei
|
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
HR 8465
|