Achernar - α Eridani (alpha Eridani)
Achernar, also designated as α Eridani (alpha Eridani), is a variable main-sequence star of spectral class B3 in the constellation of Eridanus.
Achernar visual magnitude is 0.46, making it the 9th brightest star in the sky. Because of its brightness, Achernar is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.
Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where Achernar is situated in the Hertzsprung–Russell diagram.
Distance, Radial Speed, Proper Motion
Achernar is distant 143.74 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.
Alternative Designations
Visibility from Your Location
Achernar - α Eridani (alpha Eridani) is currently not visible from Greenwich, UK