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Achernar

Alpha Eridani is a blue star, rotating with at least 230 km/sec. Therefore it is strongly oblate and twice as broad as high.

Constellation: Eridanus
Distance: 144 light-years
Spectral class: B3
Visual magnitude: 0.45
Luminosity: circa 4000 * Sun
Mass: 6.4 * Sun
Diameter: 7.68 * Sun
Radial velocity: 16 km/sec

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