| Identity |
| Name: | tau Eridani |
| Hipparcos catalog ID: | 16611 |
| Other star catalog entries: | HD 22203
SAO 168634
BD B-22 628
CoD C-22 1238
CPD P-22 381
|
| |
| Appearance |
| Visual magnitude: | 4.26 (source: ground based) |
| Spectral type: | B9V |
| |
| Position and motion (Epoch J1991.25) in J2000 reference frame |
| Right ascension | 3h 33m 47.24793s (+/-0.00001s) |
| Declination | -21° 37' 58.1366" (+/-0.0001") |
| Parallax: | 11.12 (+/-0.21) mas |
| Derived distance: | 293 light-years |
| Proper motion in R.A.: | 44.94 (+/-0.18) mas/year |
| Proper motion in declination: | -28.16 (+/-0.18) mas/year |
| Constellation: | Eridanus | |