Theta Hydri
- Bayer:
- θ Hyi
- Bayer Long
- Theta Hydri
- SAO:
- 255945
- HR:
- 939
- HD:
- 19400
- DM:
- CP-72 219
- GC:
- 3687
- Right Ascention:
- 3h 2m 15.438s
- Declination:
- -71° 54' 8.67"
- Magnitude:
- 5.5
- Spectral Type:
- B3V+A0IV
- Constellation:
- Hydrus
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