|
gptkbp:instanceOf
|
gptkb:star
binary star system
|
|
gptkbp:apparentMagnitude
|
4.41
|
|
gptkbp:colorIndexB-V
|
0.62
|
|
gptkbp:component
|
gptkb:Xi_Ursae_Majoris_A
gptkb:Xi_Ursae_Majoris_B
|
|
gptkbp:constellation
|
gptkb:Ursa_Major
|
|
gptkbp:declination
|
+31° 31′ 45″
|
|
gptkbp:discoveredBy
|
gptkb:Christian_Mayer
|
|
gptkbp:discoveredIn
|
1780
|
|
gptkbp:distanceFromEarth
|
27.3 light-years
|
|
gptkbp:epoch
|
gptkb:J2000
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Xi Ursae Majoris
|
|
gptkbp:luminosity
|
2.6 L☉ (primary)
|
|
gptkbp:mass
|
0.90 M☉ (secondary)
1.01 M☉ (primary)
|
|
gptkbp:metallicity_[Fe/H]
|
-0.36
|
|
gptkbp:orbitType
|
59.84 years
|
|
gptkbp:otherDesignation
|
gptkb:HD_98230
gptkb:HR_4374
gptkb:Alula_Australis
gptkb:BD+32_2188
gptkb:HIP_55203
|
|
gptkbp:parallax
|
119.21 mas
|
|
gptkbp:proper_motion_in_Dec
|
-595.44 mas/yr
|
|
gptkbp:proper_motion_in_RA
|
-456.10 mas/yr
|
|
gptkbp:radial_velocity
|
-9.2 km/s
|
|
gptkbp:rightAscension
|
11h 18m 10.8s
|
|
gptkbp:separates
|
2.6 arcseconds
|
|
gptkbp:SIMBAD_ID
|
gptkb:xi+UMa
|
|
gptkbp:spectralType
|
G0V + G9V
|
|
gptkbp:temperature
|
5,300 K (secondary)
5,800 K (primary)
|
|
gptkbp:U-B_color_index
|
0.10
|
|
gptkbp:variableType
|
none
|
|
gptkbp:bfsParent
|
gptkb:ADS_10418
gptkb:ADS_6175
gptkb:ADS_6251
|
|
gptkbp:bfsLayer
|
6
|