Tau Librae
- Bayer:
- τ Lib
- Bayer Long
- Tau Librae
- Flamsteed:
- 40 Librae
- SAO:
- 183649
- HR:
- 5812
- HD:
- 139365
- DM:
- CD-2911837
- GC:
- 21019
- Right Ascention:
- 15h 38m 39.386s
- Declination:
- -29° 46' 40.28"
- Magnitude:
- 3.8
- Spectral Type:
- B2.5V
- Constellation:
- Libra
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