giant · K5III

Aldebaran

Aldebaran is a orange giant (spectral type K5III) about 65 light-years away. With an apparent magnitude of 0.87 it is a very bright, conspicuous star.

An orange giant, the "eye" of the Bull. It only appears to lie among the Hyades.

Its light output is roughly 150 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 November.

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Key facts

Distance
≈ 65 light-years
Spectral type
K5III (giant)
Colour
Orange
Apparent magnitude
0.87 mag
Luminosity
≈ 150 × Sun
Position
Right ascension 4h 36m, declination 16.5°

More well-known stars

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