- 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 temperature is about 12,400 degrees Celsius.
It is 139.4 light years away: 1319 trillion kilometres.