Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
binary star system
|
| gptkbp:apparentMagnitude |
2.23
|
| gptkbp:component |
gptkb:Mizar_A
gptkb:Mizar_B |
| gptkbp:declination |
+54° 55′ 31″
|
| gptkbp:discoveredBy |
gptkb:Giovanni_Battista_Riccioli
|
| gptkbp:discoveredIn |
1650
|
| gptkbp:distanceFromEarth |
about 83 light-years
|
| gptkbp:hasCompanion |
gptkb:Alcor
|
| https://www.w3.org/2000/01/rdf-schema#label |
Mizar binary system
|
| gptkbp:locatedIn |
constellation Ursa Major
|
| gptkbp:notableFor |
first binary star discovered by telescope
|
| gptkbp:orbitType |
about 20.5 years (Mizar A and B)
|
| gptkbp:partOf |
gptkb:Big_Dipper_asterism
|
| gptkbp:rightAscension |
13h 23m 55.5s
|
| gptkbp:separationFromAlcor |
about 12 arcminutes
|
| gptkbp:spectralType |
A2V (Mizar A), A2V (Mizar B)
|
| gptkbp:bfsParent |
gptkb:Mizar_B
|
| gptkbp:bfsLayer |
8
|