gptkbp:instanceOf
|
gptkb:star
|
gptkbp:alsoKnownAs
|
gptkb:Achernar
|
gptkbp:apparentMagnitude
|
0.46
-1.46
|
gptkbp:BayerDesignation
|
gptkb:Alpha_Eridani
|
gptkbp:catalogueNumber
|
gptkb:HD_10144
gptkb:HIP_7588
gptkb:HR_472
gptkb:SAO_232481
CD-57 334
ADS 1187
CCDM J01377-5714A
GC 2037
WDS J01377-5714A
|
gptkbp:colorIndexB-V
|
-0.16
-0.53
|
gptkbp:constellation
|
gptkb:Eridanus
|
gptkbp:declination
|
-57° 14′ 12.3″
|
gptkbp:diameter
|
7.3 solar radii
|
gptkbp:discoveredBy
|
ancient astronomers
|
gptkbp:distanceFromEarth
|
139 light years
|
gptkbp:FlamsteedDesignation
|
38 Eridani
|
gptkbp:hasCompanion
|
possible faint companion star
|
https://www.w3.org/2000/01/rdf-schema#label
|
α Eridani
|
gptkbp:IAUApprovedName
|
gptkb:Achernar
|
gptkbp:luminosity
|
3,150 times solar
|
gptkbp:mass
|
6.7 solar masses
|
gptkbp:nameMeaning
|
'End of the River' in Arabic
|
gptkbp:notableFor
|
brightest star in Eridanus
one of the ten brightest stars in the night sky
|
gptkbp:parallax
|
23.39 mas
|
gptkbp:rightAscension
|
01h 37m 42.85s
|
gptkbp:rotationPeriod
|
250 km/s
|
gptkbp:shape
|
oblate due to rapid rotation
|
gptkbp:spectralType
|
B6Vep
|
gptkbp:temperature
|
15,000 K
|
gptkbp:variableStar
|
Be star
|
gptkbp:bfsParent
|
gptkb:Alpha_Eridani
|
gptkbp:bfsLayer
|
8
|