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Tau Ceti

Star
Tau Ceti, Latinized from τ Ceti, is a single star in the constellation Cetus that is spectrally similar to the Sun, although it has only about 78% of the Sun's mass. At a distance of just under 12 light-years from the Solar System, it is a... Wikipedia
Mass: 1.557 × 10^30 kg (0.783 M☉)
Magnitude: 3.5
Spectral type: G8.5 V
Surface temperature: 5,344 K
Coordinates: RA 1h 44m 4s | Dec -15° 56′ 15″
Luminosity: 0.45 L☉
Radius: 342,800 mi