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Tau1 Hydrae

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For other stars with this Bayer designation, see τ Hydrae.
τ¹ Hydrae
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Hydra
Right ascension 9h 29m 8.9s
Declination -2° 46' 8"
Apparent magnitude (V) +4.59
Absolute magnitude (V)+3.28[1]
Distance56 ly
(17.18 pc)
Spectral typeF6V
Other designations
Ukdah, 31 Hydrae HR 3759,
HD 81997, SAO 136895,
HIP 46509, CCDM J09291-0246A

Tau1 Hydrae is a binary star lying 56 light years from Earth. It is a spectral type F6 main sequence star which has an apparent magnitude of +4.59.

References

  1. ^ Reiners, A. (January 2006), "Rotation- and temperature-dependence of stellar latitudinal differential rotation", Astronomy and Astrophysics, 446 (1): 267–277, arXiv:astro-ph/0509399, Bibcode:2006A&A...446..267R, doi:10.1051/0004-6361:20053911.


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