giant · K1III
Kaus Borealis
Kaus Borealis is a orange giant (spectral type K1III) about 78 light-years away. With an apparent magnitude of 2.83 it is easy to see even from a city.
The top of the "Teapot" in Sagittarius; the name means "northern bow".
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 June.
Key facts
- Distance
- ≈ 78 light-years
- Spectral type
- K1III (giant)
- Colour
- Orange
- Apparent magnitude
- 2.83 mag
- Luminosity
- ≈ 40 × Sun
- Position
- Right ascension 18h 28m, declination -25.4°
More well-known stars
Data: Hipparcos / HYG catalogue (CC BY-SA 4.0). Luminosity and visibility are calculated estimates.