- Stars with a name
- Achernar
Achernar
α Eridani
Achernar is a very hot blue star, in the constellation Eridanus. The light you see from it tonight left it around 1887.
Where to find it
From mid-northern latitudes, such as New York, Rome or Tokyo, it never rises: it belongs to the southern sky.
Bright enough to see even from a city. Apparent magnitude 0.45.
What it’s like
It gives off 1,052 times as much light as the Sun.
Its surface is at about 12,700 degrees.
It is 139.4 light years away: 1319 trillion kilometres.