main-sequence star · A0V
Cor Caroli
Cor Caroli is a blue-white main-sequence star (spectral type A0V) about 110 light-years away. With an apparent magnitude of 2.9 it is easy to see even from a city.
The brightest star in Canes Venatici. The name means "Charles's heart", after King Charles I of England.
Its light output is roughly 70 times that of the Sun (a rough estimate in visible light, calculated from brightness and distance).
From Germany (52° N) it never sets: it stays above the horizon all year.
Key facts
- Distance
- ≈ 110 light-years
- Spectral type
- A0V (main-sequence star)
- Colour
- Blue-white
- Apparent magnitude
- 2.9 mag
- Luminosity
- ≈ 70 × Sun
- Position
- Right ascension 12h 56m, declination 38.3°
More well-known stars
Data: Hipparcos / HYG catalogue (CC BY-SA 4.0). Luminosity and visibility are calculated estimates.