| Identity |
| Name: | tau Geminorum |
| Hipparcos catalog ID: | 34693 |
| Other star catalog entries: | HD 54719 SAO 59858 BD B+30 1439
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| Appearance |
| Visual magnitude: | 4.41 (source: ground based) |
| Spectral type: | K2III |
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| Position and motion (Epoch J1991.25) in J2000 reference frame |
| Right ascension | 7h 11m 8.39150s (+/-0.00002s) |
| Declination | 30° 14' 43.0112" (+/-0.0001") |
| Parallax: | 10.16 (+/-0.25) mas |
| Derived distance: | 321 light-years |
| Proper motion in R.A.: | -31.21 (+/-0.28) mas/year |
| Proper motion in declination: | -48.92 (+/-0.17) mas/year |
| Constellation: | Gemini | |