- Stars with a name
- Alpheratz
Alpheratz
α Andromedae
Alpheratz is a very hot blue star, in the constellation Andromeda. The light you see from it tonight left it around 1929.
Where to find it
From mid-northern latitudes, such as New York, Rome or Tokyo, it is best seen in the evening sky in August, September, October, November, and December.
Bright enough to see even from a city. Apparent magnitude 2.07.
What it’s like
It gives off 114 times as much light as the Sun.
Its surface temperature is about 10,400 degrees Celsius.
It is 97.0 light years away: 918 trillion kilometres.