giant · A3III
Cursa
Cursa is a blue-white giant (spectral type A3III) about 89 light-years away. With an apparent magnitude of 2.77 it is easy to see even from a city.
A star at the start of Eridanus, near Rigel.
Its light output is roughly 50 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 December.
Key facts
- Distance
- ≈ 89 light-years
- Spectral type
- A3III (giant)
- Colour
- Blue-white
- Apparent magnitude
- 2.77 mag
- Luminosity
- ≈ 50 × Sun
- Position
- Right ascension 5h 8m, declination -5.1°
More well-known stars
Data: Hipparcos / HYG catalogue (CC BY-SA 4.0). Luminosity and visibility are calculated estimates.