subgiant · F5IV
Procyon
Procyon is a yellow-white subgiant (spectral type F5IV) about 11.5 light-years away. With an apparent magnitude of 0.4 it is one of the brightest stars in the whole sky.
One of the nearest stars; like Sirius it has a white dwarf as a companion.
Its light output is roughly 7.4 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 January.
Key facts
- Distance
- ≈ 11.5 light-years
- Spectral type
- F5IV (subgiant)
- Colour
- Yellow-white
- Apparent magnitude
- 0.4 mag
- Luminosity
- ≈ 7.4 × Sun
- Position
- Right ascension 7h 39m, declination 5.2°
More well-known stars
Data: Hipparcos / HYG catalogue (CC BY-SA 4.0). Luminosity and visibility are calculated estimates.