|
gptkbp:instanceOf
|
gptkb:star
binary star system
|
|
gptkbp:alsoKnownAs
|
gptkb:Castor
|
|
gptkbp:apparentMagnitude
|
1.58
|
|
gptkbp:BayerDesignation
|
gptkb:α_Geminorum
|
|
gptkbp:catalogueNumber
|
gptkb:ADS_6175
gptkb:BD+32_1582
gptkb:HD_60179
gptkb:HIP_36850
gptkb:HR_2891
gptkb:SAO_60198
gptkb:WDS_J07346+3153
|
|
gptkbp:colorIndexB-V
|
+0.00
-0.01
|
|
gptkbp:constellation
|
gptkb:Gemini
|
|
gptkbp:declination
|
+31° 53′ 18″
|
|
gptkbp:discoveredBy
|
gptkb:James_Pound
|
|
gptkbp:discoveredIn
|
1718
|
|
gptkbp:distanceFromEarth
|
51 light years
|
|
gptkbp:FlamsteedDesignation
|
gptkb:66_Geminorum
|
|
gptkbp:hasComponent
|
gptkb:Castor_A
gptkb:Castor_B
gptkb:Castor_C
gptkb:Castor_Aa
gptkb:Castor_Ab
gptkb:Castor_Ba
gptkb:Castor_Bb
gptkb:Castor_Ca
gptkb:Castor_Cb
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
α Geminorum
|
|
gptkbp:luminosity
|
37 solar luminosities
52 solar luminosities
|
|
gptkbp:mass
|
1.7 solar masses
2.15 solar masses
|
|
gptkbp:metallicity
|
-0.02
|
|
gptkbp:notableFor
|
binary star system
one of the brightest stars in Gemini
|
|
gptkbp:numberOfConstituents
|
6
|
|
gptkbp:orbitType
|
2.9283 days
467 years
9.2128 days
|
|
gptkbp:parallax
|
65.8 mas
|
|
gptkbp:properMotionRA
|
-190.1 mas/yr
-24.1 mas/yr
|
|
gptkbp:radialVelocity
|
+1.2 km/s
|
|
gptkbp:rightAscension
|
07h 34m 36.0s
|
|
gptkbp:separates
|
6 arcseconds
|
|
gptkbp:spectralType
|
A1V
A2Vm
|
|
gptkbp:temperature
|
10,286 K
8,400 K
|
|
gptkbp:variableType
|
none
|
|
gptkbp:bfsParent
|
gptkb:Alpha_Geminorum
|
|
gptkbp:bfsLayer
|
6
|