Star
One of the nearest single stars similar to the Sun, long a favourite target in the search for other worlds despite no planet being confirmed around it.
| Type | Star |
|---|---|
| Distance from Earth | 11.9 ly |
| Diameter | 1,099,000 km |
| Mass | 1.59 × 10^30 kg |
| Temperature | 5,047°C |
| Apparent magnitude | 3.5 |
| Redshift | 0 |
| Discovered | 150 |
At 1,099,000 km across, Tau Ceti is 79 percent of the diameter of the Sun.
Its mass is 80 percent of the mass of the Sun.
The light reaching us from Tau Ceti tonight left it around 12 years ago.
Its surface sits at 5,320 K, cooler 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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