|
gptkbp:instanceOf
|
gptkb:star
red supergiant
|
|
gptkbp:age
|
300 million years
|
|
gptkbp:apparentMagnitude
|
1.93
|
|
gptkbp:arabicName
|
Al Han'ah
|
|
gptkbp:BayerDesignation
|
gptkb:Gamma_Geminorum
|
|
gptkbp:catalogueNumber
|
gptkb:BD+16_1296
gptkb:GC_8882
gptkb:HD_47105
gptkb:HR_2421
gptkb:WDS_J06377+1624
gptkb:HIP_31681
ADS 3954
FK5 243
SAO 79251
|
|
gptkbp:colorIndexB-V
|
+0.00
|
|
gptkbp:companionSpectralType
|
G-type
|
|
gptkbp:component
|
gptkb:Gemini_constellation
|
|
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
|
+1.2°
97.5°
|
|
gptkbp:FlamsteedDesignation
|
24 Geminorum
|
|
gptkbp:galacticLatitude
|
+6.9°
191.0°
|
|
gptkbp:hasCompanion
|
yes
stellar classification
|
|
gptkbp:hasViewOf
|
gptkb:Northern_Hemisphere
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
γ Geminorum
|
|
gptkbp:IAUApprovedName
|
gptkb:Alhena
|
|
gptkbp:luminosity
|
123 times solar luminosity
|
|
gptkbp:mass
|
2.8 solar masses
|
|
gptkbp:metallicity
|
[Fe/H] ≈ 0.0
|
|
gptkbp:nameMeaning
|
The brand (on the neck of the camel)
|
|
gptkbp:notableFor
|
third-brightest star in Gemini
|
|
gptkbp:otherName
|
gptkb:Alhena
|
|
gptkbp:parallax
|
29.84 mas
|
|
gptkbp:properMotionRA
|
-13.82 mas/yr
-54.18 mas/yr
|
|
gptkbp:radialVelocity
|
+0.1 km/s
|
|
gptkbp:rightAscension
|
06h 37m 42.7s
|
|
gptkbp:rotationPeriod
|
36 km/s
|
|
gptkbp:spectralType
|
A1IV
|
|
gptkbp:temperature
|
9,260 K
|
|
gptkbp:variableStar
|
no
|
|
gptkbp:bfsParent
|
gptkb:Alhena
|
|
gptkbp:bfsLayer
|
8
|