| Identity |
| Name: | tau Tauri |
| Hipparcos catalog ID: | 21881 |
| Other star catalog entries: | HD 29763
SAO 76721
BD B+22 739
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| |
| Appearance |
| Visual magnitude: | 4.27 (source: Hipparcos) |
| Spectral type: | B3V |
| |
| Position and motion (Epoch J1991.25) in J2000 reference frame |
| Right ascension | 4h 42m 14.70344s (+/-0.00006s) |
| Declination | 22° 57' 25.1126" (+/-0.0004") |
| Parallax: | 8.19 (+/-0.88) mas |
| Derived distance: | 398 light-years |
| Proper motion in R.A.: | -2.89 (+/-0.83) mas/year |
| Proper motion in declination: | -21.86 (+/-0.6) mas/year |
| Constellation: | Taurus | |