Mizar-Alcor multiple star system
GPTKB entity
Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
binary star system
|
| gptkbp:apparentMagnitude |
Alcor: 3.99
Mizar: 2.23 |
| gptkbp:contains |
gptkb:Alcor
gptkb:Mizar |
| gptkbp:declination |
+54° 55′
|
| gptkbp:distanceFromEarth |
about 83 light-years
|
| gptkbp:hasComponent |
gptkb:Mizar_A
gptkb:Mizar_B gptkb:Alcor_B Alcor A |
| https://www.w3.org/2000/01/rdf-schema#label |
Mizar-Alcor multiple star system
|
| gptkbp:locatedIn |
gptkb:Ursa_Major
|
| gptkbp:notableFor |
first binary star discovered by telescope
used as a test of eyesight in various cultures |
| gptkbp:otherDesignation |
ζ Ursae Majoris and 80 Ursae Majoris
|
| gptkbp:rightAscension |
13h 23m
|
| gptkbp:separates |
about 12 arcminutes
|
| gptkbp:spectralType |
Alcor: A5V
Mizar: A2V |
| gptkbp:visibleToNakedEye |
yes
|
| gptkbp:bfsParent |
gptkb:Mizar_A
|
| gptkbp:bfsLayer |
8
|