Tau1 Hydrae
Triple star system in Hydra, visible to the naked eye.
Tau1 Hydrae is a triple star system in the equatorial constellation of Hydra. Its combined apparent visual magnitude of +4.59 makes it visible to the naked eye. The system lies about 18 pc from the Sun based on annual parallax shift.
Quick Facts
- Constellation
- Hydra
- Combined apparent magnitude
- +4.59
- Distance
- 18 pc
- Inner pair orbital period
- 2,807 days
- Inner pair eccentricity
- 0.33
Facts from the source article.
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