Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
binary star system
|
| gptkbp:apparentMagnitude |
3.65
|
| gptkbp:component |
gptkb:Alpha_Draconis_B
Thuban (Alpha Draconis A) |
| gptkbp:discoveredBy |
Friedrich G. W. Struve (binary nature, 1824)
|
| gptkbp:distanceFromEarth |
about 303 light-years
|
| https://www.w3.org/2000/01/rdf-schema#label |
Thuban binary system
|
| gptkbp:locatedIn |
constellation Draco
|
| gptkbp:notableFor |
was the pole star around 2700 BC
|
| gptkbp:orbitType |
51.4 days
|
| gptkbp:otherName |
gptkb:Alpha_Draconis
|
| gptkbp:spectralType |
A0IV (primary)
|
| gptkbp:bfsParent |
gptkb:Thuban_B
|
| gptkbp:bfsLayer |
7
|