α Eridani

GPTKB entity

Statements (39)
Predicate Object
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