Statements (30)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
binary star system |
| gptkbp:apparentMagnitude |
2.08
|
| gptkbp:BayerDesignation |
β Ursae Minoris
|
| gptkbp:constellation |
gptkb:Ursa_Minor
|
| gptkbp:declination |
+74° 09′ 20″
|
| gptkbp:diameter |
42 solar radii
|
| gptkbp:distanceFromEarth |
130 light years
|
| gptkbp:epoch |
gptkb:J2000
|
| gptkbp:FlamsteedDesignation |
gptkb:7_Ursae_Minoris
|
| gptkbp:hasCompanion |
yes
stellar classification |
| https://www.w3.org/2000/01/rdf-schema#label |
Beta Ursae Minoris
|
| gptkbp:luminosity |
390 times Sun
|
| gptkbp:mass |
2.2 solar masses
|
| gptkbp:metallicity |
[Fe/H] = -0.09
|
| gptkbp:notableFor |
historically used as a pole star
one of the brightest stars in Ursa Minor |
| gptkbp:otherName |
gptkb:Kochab
|
| gptkbp:parallax |
25.87 mas
|
| gptkbp:properMotionRA |
+146.32 mas/yr
+50.94 mas/yr |
| gptkbp:radialVelocity |
-17.7 km/s
|
| gptkbp:rightAscension |
14h 50m 42.3s
|
| gptkbp:spectralType |
K4III
|
| gptkbp:temperature |
4030 K
|
| gptkbp:variableStar |
no
|
| gptkbp:bfsParent |
gptkb:Kochab
gptkb:Ursae_Minoris |
| gptkbp:bfsLayer |
7
|