| Identity |
| Name: | tau Geminorum |
| Hipparcos catalog ID: | 34693 |
| Other 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 |
| R.A. | 7h 11m 8.39161s (+/-0.00008s) |
| Decl. | 30° 14' 43.0103" (+/-0.0004") |
| Parallax: | 10.81 (+/-0.97) |
| Derived distance: | 302 light years |
| Proper motion in R.A.: | -31 (+/-1.02) mas/year |
| Proper motion in decl.: | -48.4 (+/-0.58) mas/year |
| Constellation: | Gemini | |