| Identity |
| Name: | tau Ceti |
| Hipparcos catalog ID: | 8102 |
| Other star catalog entries: | HD 10700
SAO 147986
BD B-16 295
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| Appearance |
| Visual magnitude: | 3.49 (source: ground based) |
| Spectral type: | G8V |
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| Position and motion (Epoch J1991.25) in J2000 reference frame |
| Right ascension | 1h 44m 5.12750s (+/-0.00001s) |
| Declination | -15° 56' 22.4006" (+/-0.0001") |
| Parallax: | 273.96 (+/-0.17) mas |
| Derived distance: | 11.9 light-years |
| Proper motion in R.A.: | -1721.05 (+/-0.18) mas/year |
| Proper motion in declination: | 854.16 (+/-0.15) mas/year |
| Constellation: | Cetus | |