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U Hydrae (U Hya) is a carbon star in the constellation Hydra. It is also a variable star, with its brightness ranging from 4.7 to 5.2 over a 450-day period, with some irregularity.[2]

U Hydrae
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Hydra
Right ascension  10h 37m 33.27295s[1]
Declination −13° 23′ 04.3529″[1]
Spectral typeC[1]
Other designations
U Hya, BD−12° 3218, HD 92055, HIP 52009, HR 4163, SAO 156110


  1. ^ a b c SIMBAD, U Hydrae (accessed 29 September 2012)
  2. ^ Monks, Neale (2010). Go-To Telescopes Under Suburban Skies. Springer. p. 65. ISBN 978-1-4419-6851-7.