Star
The brightest star in Canes Venatici, a chemically peculiar star with one of the strongest magnetic fields known among main-sequence stars.
| Type | Star |
|---|---|
| Distance from Earth | 115 ly |
| Diameter | 3,467,770 km |
| Mass | 5.91 × 10³⁰ kg |
| Temperature | 11,327°C |
| Apparent magnitude | 2.89 |
| Redshift | 0 |
| Hemisphere | Northern |
| Discovered | 1687 |
Stars spend most of their lives fusing hydrogen into helium in their core, and it's the balance between that outward pressure and gravity pulling inward that fixes how big and how bright a star gets.
At 3,467,770 km across, Cor Caroli is 2.5 times the diameter of the Sun.
Its mass is 3.0 times the mass of the Sun.
The light reaching us from Cor Caroli tonight left it around 115 years ago.
Its surface sits at 11,600 K, hotter than the Sun at 5,772 K, which is what sets its colour.
It has been on record since 1687.
Play today's Cosmodle