Statements (31)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:apparentMagnitude |
3.60
|
| gptkbp:binarySystem |
true
|
| gptkbp:catalogue |
BD+47 1617
HD 78362 HIP 44961 HR 3525 SAO 42616 |
| gptkbp:component |
Kappa Ursae Majoris A
Kappa Ursae Majoris B |
| gptkbp:constellation |
gptkb:Ursa_Major
|
| gptkbp:declination |
+47° 09′ 24″
|
| gptkbp:diameter |
2.5 solar radii (primary)
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:discoveredIn |
1780
|
| gptkbp:distanceFromEarth |
358 light years
|
| https://www.w3.org/2000/01/rdf-schema#label |
Kappa Ursae Majoris
|
| gptkbp:luminosity |
70 times solar (primary)
|
| gptkbp:mass |
2.5 solar masses (primary)
|
| gptkbp:otherName |
Alkaphrah
κ Ursae Majoris |
| gptkbp:parallax |
9.11 mas
|
| gptkbp:properMotionRA |
−18.13 mas/yr
−38.13 mas/yr |
| gptkbp:rightAscension |
09h 03m 37.4s
|
| gptkbp:rotationPeriod |
201 km/s (primary)
|
| gptkbp:separates |
26 AU (between components)
|
| gptkbp:spectralType |
A1V
|
| gptkbp:temperature |
9,300 K (primary)
|
| gptkbp:bfsParent |
gptkb:Ursae_Majoris
|
| gptkbp:bfsLayer |
7
|