Aldebaran (HIP 21421), a orange bright giant star in Stars

Aldebaran (HIP 21421) is a orange bright giant star (K5III) in Stars, 67 light years from Earth at magnitude 0.87.

Ashland Astronomy Studio October 3, 2026 Star

Aldebaran (HIP 21421)

Aldebaran is a orange bright giant star in the constellation Stars. At 67 light years away, it shines at an apparent visual magnitude of 0.87. Iron abundance: -0.17 (68% of the Sun). Galactic velocity: 57.6 km/s. Galactic orbit: 20,114 28,033 light years from galactic center.

Sky position: RA 4h 35m, Dec +16° 30.6'

Spectral type: K5III

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