Sky of Your Day
  1. Stars with a name
  2. Koeia

Koeia

HIP 12961

Koeia is a red star, in the constellation Eridanus. The light you see from it tonight left it around 1951.

Where to find it

Very faint: you’ll need a telescope. Apparent magnitude 10.25.

What it’s like

It gives off about 3.7% of the Sun’s light.

Its surface is at about 4,000 degrees.

It is 75.1 light years away: 710 trillion kilometres.

It is the star of people born around 1951: the light that left it then is reaching Earth now.

Other named stars in Eridanus