|
gptkbp:instanceOf
|
gptkb:star
astronomer
|
|
gptkbp:age
|
100 million years
|
|
gptkbp:apparentMagnitude
|
1.74
|
|
gptkbp:BayerDesignation
|
gptkb:Alpha_Gruis
|
|
gptkbp:brightestStar
|
gptkb:Grus
|
|
gptkbp:catalogueNumber
|
gptkb:GC_30860
gptkb:HD_209952
gptkb:HIP_109268
2MASS J22081400-4657390
CD−47°13976
CPD−47°10498
GSC 08499-01994
HR 8430
SAO 231064
|
|
gptkbp:constellation
|
gptkb:Grus
|
|
gptkbp:declination
|
-46° 57′ 39″
|
|
gptkbp:diameter
|
3.4 solar radii
|
|
gptkbp:distanceFromEarth
|
101 light years
|
|
gptkbp:FlamsteedDesignation
|
1 Gruis
|
|
gptkbp:hasCompanion
|
no known companion
|
|
gptkbp:hasTraditionalName
|
gptkb:Alnair
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Alpha Gruis
|
|
gptkbp:isMainSequenceStar
|
true
|
|
gptkbp:isReferenceStarFor
|
gptkb:Grus_constellation
|
|
gptkbp:isSingleStar
|
true
|
|
gptkbp:luminosity
|
520 times solar luminosity
|
|
gptkbp:mass
|
4 solar masses
|
|
gptkbp:metallicity
|
−0.16
|
|
gptkbp:otherName
|
gptkb:Alnair
|
|
gptkbp:parallax
|
0.17 mas
32.29 mas
|
|
gptkbp:partOf
|
gptkb:Milky_Way
|
|
gptkbp:properMotionRA
|
yes
+110.33 mas/yr
−132.36 mas/yr
|
|
gptkbp:rightAscension
|
22h 08m 14.0s
|
|
gptkbp:rotationPeriod
|
215 km/s
|
|
gptkbp:spectralType
|
B6V
|
|
gptkbp:temperature
|
13,920 K
|
|
gptkbp:visibleToNakedEye
|
true
|
|
gptkbp:bfsParent
|
gptkb:Alnair
|
|
gptkbp:bfsLayer
|
7
|