Rho Tauri

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ρ Tauri
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Taurus
Right ascension 04h 33m 50.9s
Declination +14° 50' 40"
Apparent magnitude (V) +4.65
Absolute magnitude (V) +1.26[1]
Distance 152 ± 9 ly
(47 ± 3 pc)
Spectral type A8V
Other designations
86 Tauri, HR 1444, HD 28910, BD+14 720, FK5 1125, HIP 21273, SAO 94007, GC 5558, CCDM 04338+1451

Rho Tauri (ρ Tau, ρ Tauri) is a star in the constellation Taurus and a member of the Hyades star cluster.

Rho Tauri is a white A-type main sequence dwarf with a mean apparent magnitude of +4.65. It is approximately 152 light years from Earth. It is classified as a Delta Scuti type variable star and its brightness varies by 0.01 magnitudes with a period of 1.61 hours.

It has 1.88 times the mass of the Sun, with a projected rotational velocity of 117 km −1 and an estimated rotation period of 488.5 days.[1]


  1. ^ a b Pizzolato, N.; Maggio, A.; Sciortino, S. (September 2000), "Evolution of X-ray activity of 1-3 Msun late-type stars in early post-main-sequence phases", Astronomy and Astrophysics 361: 614–628, Bibcode:2000A&A...361..614P