giant · B8III
Atlas
Atlas is a blue giant (spectral type B8III) about 440 light-years away. With an apparent magnitude of 3.63 it is easy to see with the naked eye under a dark sky.
A star of the Pleiades.
Its light output is roughly 550 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 November.
Key facts
- Distance
- ≈ 440 light-years
- Spectral type
- B8III (giant)
- Colour
- Blue
- Apparent magnitude
- 3.63 mag
- Luminosity
- ≈ 550 × Sun
- Position
- Right ascension 3h 49m, declination 24.1°
More well-known stars
Data: Hipparcos / HYG catalogue (CC BY-SA 4.0). Luminosity and visibility are calculated estimates.