| Identity |
| Name: | tau Ceti |
| Hipparcos catalog ID: | 8102 |
| Other 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 |
| |
| Position and motion (Epoch J1991.25) in J2000 reference frame |
| R.A. | 1h 44m 5.12746s (+/-0.00004s) |
| Decl. | -15° 56' 22.4015" (+/-0.0006") |
| Parallax: | 274.17 (+/-0.8) |
| Derived distance: | 11.9 light years |
| Proper motion in R.A.: | -1721.82 (+/-0.83) mas/year |
| Proper motion in decl.: | 854.07 (+/-0.8) mas/year |
| Constellation: | Cetus | |