subgiant · A3IV
Zubenelgenubi
Zubenelgenubi is a blue-white subgiant (spectral type A3IV) about 75 light-years away. With an apparent magnitude of 2.77 it is easy to see even from a city.
The "southern claw" of Libra; already visible as a double star in binoculars.
Its light output is roughly 40 times that of the Sun (a rough estimate in visible light, calculated from brightness and distance).
From Germany (52° N) it rises and sets; it is best seen in the evening in May.
Key facts
- Distance
- ≈ 75 light-years
- Spectral type
- A3IV (subgiant)
- Colour
- Blue-white
- Apparent magnitude
- 2.77 mag
- Luminosity
- ≈ 40 × Sun
- Position
- Right ascension 14h 51m, declination -16°
More well-known stars
Data: Hipparcos / HYG catalogue (CC BY-SA 4.0). Luminosity and visibility are calculated estimates.