|
gptkbp:instanceOf
|
gptkb:star
variable star
|
|
gptkbp:age
|
300 million years
|
|
gptkbp:apparentMagnitude
|
1.93
-0.6
|
|
gptkbp:arabicName
|
gptkb:Alhena
|
|
gptkbp:BayerDesignation
|
gptkb:γ_Geminorum
|
|
gptkbp:catalogueNumber
|
gptkb:ADS_3841
gptkb:HD_47105
gptkb:HR_2421
gptkb:WDS_J06377+1624
gptkb:HIP_31681
BD+16 1123
FK5 244
GC 8862
SAO 94627
|
|
gptkbp:constellation
|
gptkb:Gemini
|
|
gptkbp:declination
|
+16° 23′ 57″
|
|
gptkbp:diameter
|
3.3 solar radii
|
|
gptkbp:discoveredBy
|
known since antiquity
|
|
gptkbp:distanceFromEarth
|
109 light years
|
|
gptkbp:eclipticLatitude
|
+6.6°
97.5°
|
|
gptkbp:FlamsteedDesignation
|
24 Geminorum
|
|
gptkbp:hasCompanion
|
Gamma Geminorum B
|
|
gptkbp:hasExoplanet
|
no known exoplanets
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Gamma Geminorum
|
|
gptkbp:isPrimaryStarOf
|
Gamma Geminorum system
|
|
gptkbp:luminosity
|
123 times Sun
|
|
gptkbp:mass
|
2.8 solar masses
|
|
gptkbp:metallicity
|
[Fe/H] = -0.12
|
|
gptkbp:nameMeaning
|
The brand (on the neck of a camel)
|
|
gptkbp:otherName
|
gptkb:Alhena
|
|
gptkbp:parallax
|
0.18 mas
29.84 mas
|
|
gptkbp:partOf
|
gptkb:Gemini_constellation
|
|
gptkbp:properMotionRA
|
-13.79 mas/yr
-8.23 mas/yr
|
|
gptkbp:radialVelocity
|
+0.1 km/s
|
|
gptkbp:rightAscension
|
06h 37m 42.7s
|
|
gptkbp:rotationPeriod
|
32 km/s
|
|
gptkbp:spectralType
|
A1IV
|
|
gptkbp:temperature
|
9,260 K
|
|
gptkbp:variableStar
|
none
|
|
gptkbp:variant
|
gptkb:Delta_Scuti
|
|
gptkbp:visibleToNakedEye
|
true
|
|
gptkbp:bfsParent
|
gptkb:Alhena
|
|
gptkbp:bfsLayer
|
8
|