main-sequence star · A4V

Zosma

Zosma is a blue-white main-sequence star (spectral type A4V) about 58 light-years away. With an apparent magnitude of 2.56 it is easy to see even from a city.

A star on the Lion's back.

Its light output is roughly 30 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
≈ 58 light-years
Spectral type
A4V (main-sequence star)
Colour
Blue-white
Apparent magnitude
2.56 mag
Luminosity
≈ 30 × Sun
Position
Right ascension 11h 14m, declination 20.5°

More well-known stars

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