Pi Tauri

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π Tauri
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Taurus
Right ascension 04h 26m 36.4s
Declination +14° 42' 49"
Apparent magnitude (V) +4.69
Distance 455 ± 51 ly
(139 ± 16 pc)
Spectral type G7IIIaFe-1
Other designations
73 Tauri, HR 1396, HD 28100, BD+14 697, HIP 20732, SAO 93935, GC 5383

Pi Tauri (π Tau, π Tauri) is a star in the constellation Taurus. Although it lies among the stars of the Hyades cluster, it is not itself a member, being three times farther from Earth than the cluster.

Pi Tauri is a yellow G-type giant with an apparent magnitude of +4.69. It is approximately 455 light years from Earth. It has four times the mass of the Sun.[1]


  1. ^ Gondoin, P. (December 1999), "Evolution of X-ray activity and rotation on G-K giants", Astronomy and Astrophysics, 352: 217–227, Bibcode:1999A&A...352..217G