giant · B8III

Gienah

Gienah is a blue giant (spectral type B8III) about 154 light-years away. With an apparent magnitude of 2.58 it is easy to see even from a city.

The brightest star in Corvus (the Crow).

Its light output is roughly 180 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 March.

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Key facts

Distance
≈ 154 light-years
Spectral type
B8III (giant)
Colour
Blue
Apparent magnitude
2.58 mag
Luminosity
≈ 180 × Sun
Position
Right ascension 12h 16m, declination -17.5°

More well-known stars

Data: Hipparcos / HYG catalogue (CC BY-SA 4.0). Luminosity and visibility are calculated estimates.