Statements (29)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:apparentMagnitude |
2.23
|
| gptkbp:catalogueNumber |
gptkb:HD_116656
gptkb:HIP_65378 gptkb:HR_5054 gptkb:Zeta_Ursae_Majoris_A |
| gptkbp:component |
gptkb:Mizar-Alcor_multiple_star_system
|
| gptkbp:declination |
+54° 55′ 31″
|
| gptkbp:diameter |
2.4 solar radii
|
| gptkbp:discoveredBy |
gptkb:Giovanni_Battista_Riccioli
|
| gptkbp:discoveredIn |
1650
|
| gptkbp:distanceFromEarth |
about 83 light-years
|
| gptkbp:hasCompanion |
gptkb:Mizar_B
|
| https://www.w3.org/2000/01/rdf-schema#label |
Mizar A
|
| gptkbp:locatedIn |
constellation Ursa Major
|
| gptkbp:luminosity |
33 times solar luminosity
|
| gptkbp:mass |
2.2 solar masses
|
| gptkbp:metallicity |
[Fe/H] ≈ 0.0
|
| gptkbp:orbitType |
20.54 days
|
| gptkbp:partOf |
gptkb:Mizar_system
|
| gptkbp:properMotionRA |
121.23 mas/yr
-22.02 mas/yr |
| gptkbp:rightAscension |
13h 23m 55.5s
|
| gptkbp:rotationPeriod |
46 km/s
|
| gptkbp:spectralType |
A2V
|
| gptkbp:temperature |
9000 K
|
| gptkbp:variableType |
binary star system
|
| gptkbp:bfsParent |
gptkb:Mizar
|
| gptkbp:bfsLayer |
7
|