- Stars with a name
- Lilii Borea
Lilii Borea
39 Arietis
Lilii Borea is an orange giant, in the constellation Aries. The light you see from it tonight left it around 1854.
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, September, October, November, and December.
Visible to the naked eye only under a dark sky, away from town. Apparent magnitude 4.52.
What it’s like
It gives off 37 times as much light as the Sun.
Its surface is at about 4,500 degrees.
It is 171.6 light years away: 1623 trillion kilometres.