Tau Persei
- Bayer:
- τ Per
- Bayer Long
- Tau Persei
- Flamsteed:
- 18 Persei
- SAO:
- 23685
- HR:
- 854
- HD:
- 17878
- DM:
- BD+52 641
- GC:
- 3462
- Right Ascention:
- 2h 54m 15.457s
- Declination:
- +52° 45' 45.03"
- Magnitude:
- 4.1
- Spectral Type:
- G4III+A4V
- Constellation:
- Perseus
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