- Stars with a name
- Kaus Australis
Kaus Australis
ε Sagittarii
Kaus Australis is a very hot blue giant, in the constellation Sagittarius. The light you see from it tonight left it around 1883.
Where to find it
From mid-northern latitudes, such as New York, Rome or Tokyo, it only ever stays low over the southern horizon.
Bright enough to see even from a city. Apparent magnitude 1.79.
What it’s like
It gives off 323 times as much light as the Sun.
Its surface is at about 10,500 degrees.
It is 143.3 light years away: 1356 trillion kilometres.