Alpha Tauri A
Aldebaran A is a orange-red giant star of spectral and luminosity type K5 III. The star may have a mass between one and 2.
Aldebaran - Alpha Tauri
Aldebaran is an orange giant star located about 65 light years away in the zodiac constellation of Taurus. With an average apparent magnitude of 0.
Aldebaran (Alpha Tauri)
Aldebaran and the Hyades. Photo: © T. Credner & S. Kohle, AlltheSky.com ...
ALDEBARAN (Alpha Tauri). Aldebaran is by far the brightest, and therefore the Alpha, star of the constellation Taurus.
Aldebaran Alpha Tauri
Alderamin Alpha Cephei
Aldhafera Zeta Leonis
Aldhanab Gamma Gruis
Aldhibah Zeta Draconis
Aldib Delta Draconis
Al Fawaris Delta Cygni
Alfecca Meridiana Alpha Coronae Australis
Alfirk Beta Cephei
Algedi Alpha Capricorni ...
The brightest star in the constellation is [7931] alpha Tauri, or Aldebaran ("the follower"). Aldebaran is an orange-red giant, an irregular variable star, about 65 light-years distant.
Aldebaran, (α Tau / α Tauri / Alpha Tauri), is the brightest star in the constellation Taurus and one of the brightest stars in the nighttime sky. Because of its location in the head of Taurus, it has historically been called the Bull's Eye.
Prominent bright red giants in the night sky include Aldebaran (Alpha Tauri), Arcturus (Alpha Bootis), and Gamma Crucis (Gacrux), while the even larger Antares (Alpha Scorpii) and Betelgeuse (Alpha Orionis) are red supergiants.
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It should be noted that the bright red star, Aldebaran (Alpha Tauri) - the eye of the Bull - is not a member of this cluster despite lying in the Hyades field.
Examples of well-known stars in the RG phase are Aldebaran (Alpha Tauri) and Mira (Omicron Ceti). More massive Main Sequence stars evolve more quickly and expand further to become Red Super Giants (RSG).
 See also: Star, Aldebaran, Light, Cluster, Sky
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