| Identity |
| Name: | tau Orionis |
| Hipparcos catalog ID: | 24674 |
| Other star catalog entries: | HD 34503
SAO 131952
BD B-07 1028
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| Appearance |
| Visual magnitude: | 3.59 (source: ground based) |
| Spectral type: | B5III |
| |
| Position and motion (Epoch J1991.25) in J2000 reference frame |
| Right ascension | 5h 17m 36.39891s (+/-0.00001s) |
| Declination | -6° 50' 39.7893" (+/-0.0001") |
| Parallax: | 6.60 (+/-0.15) mas |
| Derived distance: | 494 light-years |
| Proper motion in R.A.: | -17.61 (+/-0.16) mas/year |
| Proper motion in declination: | -9.24 (+/-0.11) mas/year |
| Constellation: | Orion | |