main-sequence star · A3V
Fomalhaut
Fomalhaut is a blue-white main-sequence star (spectral type A3V) about 25 light-years away. With an apparent magnitude of 1.17 it is a very bright, conspicuous star.
Surrounded by a large disk of dust.
Its light output is roughly 20 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 September.
Key facts
- Distance
- ≈ 25 light-years
- Spectral type
- A3V (main-sequence star)
- Colour
- Blue-white
- Apparent magnitude
- 1.17 mag
- Luminosity
- ≈ 20 × Sun
- Position
- Right ascension 22h 58m, declination -29.6°
More well-known stars
Data: Hipparcos / HYG catalogue (CC BY-SA 4.0). Luminosity and visibility are calculated estimates.