- Stars with a name
- Alruba
Alruba
HD 161693
Alruba is a white star, in the constellation Draco. The light you see from it tonight left it around 1493.
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 only under a dark sky, away from town. Apparent magnitude 5.75.
What it’s like
It gives off 117 times as much light as the Sun.
Its surface is at about 9,900 degrees.
It is 532.9 light years away: 5042 trillion kilometres.