giant · A7III
Deneb Algedi
Deneb Algedi is a blue-white giant (spectral type A7III) about 39 light-years away. With an apparent magnitude of 2.87 it is easy to see even from a city.
The brightest star in Capricornus; the name means "tail of the goat".
Its light output is roughly 8.7 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 August.
Key facts
- Distance
- ≈ 39 light-years
- Spectral type
- A7III (giant)
- Colour
- Blue-white
- Apparent magnitude
- 2.87 mag
- Luminosity
- ≈ 8.7 × Sun
- Position
- Right ascension 21h 47m, declination -16.1°
More well-known stars
Data: Hipparcos / HYG catalogue (CC BY-SA 4.0). Luminosity and visibility are calculated estimates.