Lambda Eridani variable
Encyclopedia
A Lambda Eridani Variable is a class of variable stars that show small, irregular variability on short time scales. Achernar
is an example.
Achernar
Achernar , sometimes spelled Achenar, is the brightest star in the constellation Eridanus and the ninth-brightest star in the night sky. Of the top ten apparent brightest stars —Sirius, Canopus, Alpha Centauri, Arcturus, Vega, Capella, Rigel, Procyon, Achernar and Betelgeuse—Achernar is the hottest...
is an example.