A blue dwarf star with an unusual spectrum, Achernar has a magnitude of +0.5, making
it the brightest of the stars of Eridanus, and the ninth brightest in the entire sky.
Bright Achernar lies at the extreme southern tip of the star-river Eridanus, less than a degree from its southernmost border with neighbouring Hydrus.
The River's End: brilliant blue Achernar, the ninth brightest star in the sky, lies
at the southern tip of the star-river Eridanus.
eSky © copyright Mark Fisher 1999-2013