giant · K0III
Aljanah
Aljanah is a orange giant (spectral type K0III) about 72 light-years away. With an apparent magnitude of 2.48 it is easy to see even from a city.
A star in the Swan's wing; the name means "the wing".
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 August.
Key facts
- Distance
- ≈ 72 light-years
- Spectral type
- K0III (giant)
- Colour
- Orange
- Apparent magnitude
- 2.48 mag
- Luminosity
- ≈ 40 × Sun
- Position
- Right ascension 20h 46m, declination 34°
More well-known stars
Data: Hipparcos / HYG catalogue (CC BY-SA 4.0). Luminosity and visibility are calculated estimates.