- 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 temperature is about 10,300 degrees Celsius.
It is 143.3 light years away: 1356 trillion kilometres.