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Rho
Its story
Rho Hydrae shines along the serpentine body of Hydra, the largest constellation in the sky. It is a white subgiant, young and restless: spinning at 128 km/s, three solar masses, shining with two hundred and forty-two times the Sun's luminosity. A faint distant companion completes the system, three and a half centuries away.
- Constellation
- Hydra
- Apparent magnitude
- 4.35
- Distance
- 354.2 light years
- Coordinates (J2000)
- RA 132.108° · Dec 5.838°
- Catalogue
- HIP 43234 · HD 75137
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