Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:age |
1.6 billion years
|
| gptkbp:apparentMagnitude |
4.39
|
| gptkbp:catalogue |
gptkb:Henry_Draper_Catalogue
gptkb:Hipparcos_Catalogue |
| gptkbp:colorIndexB-V |
0.59
|
| gptkbp:declination |
+20° 16′ 33″
|
| gptkbp:diameter |
1.1 solar radii
|
| gptkbp:distanceFromEarth |
27 light years
|
| gptkbp:hasCompanion |
brown dwarf GJ 229B
|
| https://www.w3.org/2000/01/rdf-schema#label |
HIP 27989
|
| gptkbp:locatedIn |
gptkb:constellation_Auriga
|
| gptkbp:luminosity |
1.2 solar luminosities
|
| gptkbp:mass |
1.07 solar masses
|
| gptkbp:metallicity |
[Fe/H] = -0.07
|
| gptkbp:otherDesignation |
gptkb:GJ_229
gptkb:HD_39587 gptkb:HR_2055 |
| gptkbp:parallax |
120.21 mas
|
| gptkbp:properMotionRA |
-173.59 mas/yr
-716.57 mas/yr |
| gptkbp:radialVelocity |
+28.6 km/s
|
| gptkbp:rightAscension |
05h 56m 24.3s
|
| gptkbp:spectralType |
G0V
|
| gptkbp:variableStar |
no
|
| gptkbp:bfsParent |
gptkb:Betelgeuse
|
| gptkbp:bfsLayer |
6
|