giant · K1III
Algieba
Algieba is a orange giant (spectral type K1III) about 130 light-years away. With an apparent magnitude of 2.01 it is easy to see even from a city.
A beautiful double star in binoculars and small telescopes.
Its light output is roughly 210 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 February.
Key facts
- Distance
- ≈ 130 light-years
- Spectral type
- K1III (giant)
- Colour
- Orange
- Apparent magnitude
- 2.01 mag
- Luminosity
- ≈ 210 × Sun
- Position
- Right ascension 10h 20m, declination 19.8°
More well-known stars
Data: Hipparcos / HYG catalogue (CC BY-SA 4.0). Luminosity and visibility are calculated estimates.