- Stars with a name
- Arkab Prior
Arkab Prior
β¹ Sagittarii
Arkab Prior is a very hot blue star, in the constellation Sagittarius. The light you see from it tonight left it around 1712.
Where to find it
From mid-northern latitudes, such as New York, Rome or Tokyo, it only ever stays low over the southern horizon.
Visible to the naked eye away from the brightest lights. Apparent magnitude 3.96.
What it’s like
It gives off 210 times as much light as the Sun.
Its surface temperature is about 11,100 degrees Celsius.
It is 313.6 light years away: 2967 trillion kilometres.