- Stars with a name
- Aldhibah
Aldhibah
ζ Draconis
Aldhibah is a very hot blue giant, in the constellation Draco. The light you see from it tonight left it around 1698.
Where to find it
From mid-northern latitudes, such as New York, Rome or Tokyo, it never sets: it circles the pole all night, all year.
Visible to the naked eye away from the brightest lights. Apparent magnitude 3.17.
What it’s like
It gives off 476 times as much light as the Sun.
Its surface is at about 11,900 degrees.
It is 328.5 light years away: 3107 trillion kilometres.