Star
The third-brightest star in Orion, a hot blue-white star marking the hunter's left shoulder and one of the sky's navigational stars.
| Type | Star |
|---|---|
| Distance from Earth | 250 ly |
| Diameter | 8,624,000 km |
| Mass | 1.67 × 10^31 kg |
| Temperature | 21,744°C |
| Apparent magnitude | 1.64 |
| Redshift | 0 |
| Discovered | 150 |
At 8,624,000 km across, Bellatrix is 6.2 times the diameter of the Sun.
Its mass is 8.4 times the mass of the Sun.
The light reaching us from Bellatrix tonight left it around 250 years ago.
Its surface sits at 22,017 K, hotter than the Sun at 5,772 K, which is what sets its colour.
It has been on record since the year 150.
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