| Identity |
| Name: | tau Tauri |
| Hipparcos catalog ID: | 21881 |
| Other catalog entries: | HD 29763
SAO 76721
BD B+22 739
|
| |
| Appearance |
| Visual magnitude: | 4.27 (source: Hipparcos) |
| Spectral type: | B3V |
| |
| Position and motion (Epoch J1991.25) in J2000 reference frame |
| R.A. | 4h 42m 14.70348s (+/-0.00005s) |
| Decl. | 22° 57' 25.1116" (+/-0.0005") |
| Parallax: | 8.14 (+/-0.78) |
| Derived distance: | 401 light years |
| Proper motion in R.A.: | -2.84 (+/-0.81) mas/year |
| Proper motion in decl.: | -20.33 (+/-0.58) mas/year |
| Constellation: | Taurus | |