Astrophysics (Index)About

Achernar

(Alpha Eridani)
(ninth-brightest star in the sky)

Achernar (Alpha Eridani) is the ninth-brightest star in the sky. It is a bright blue variable star in the southern sky. It is rotating fast with a rotation period of hours and is highly flattened. It also has a companion orbiting at about 12 AU.

Characteristics:


(star,bright star,binary star,variable star)
Further reading:
http://en.wikipedia.org/wiki/Achernar
RedshiftParsecs
/Distance
Lightyears
/Lookback Years
  
~043pc139lyAchernar
Coordinates:Achernar
J013742.84548-571412.3101

Referenced by pages:
B-type star (B)
spectral type
variable star

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