- Stars with a name
- Hatysa
Hatysa
ι Orionis
Hatysa is a very hot blue giant, in the constellation Orion. The light you see from it tonight left it around -304.
Where to find it
From mid-northern latitudes, such as New York, Rome or Tokyo, it is best seen in the evening sky in January, February, and December.
Visible to the naked eye away from the brightest lights. Apparent magnitude 2.75.
What it’s like
It gives off 35,286 times as much light as the Sun.
Its surface temperature is about 13,600 degrees Celsius.
It is 2,329.7 light years away: 22,040 trillion kilometres.