31 Orionis

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31 Orionis
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Orion
Right ascension 05h 29m 43.98212s [1]
Declination −01° 05′ 32.0590″ [1]
Spectral type K5III [1]

31 Orionis, or CI Orionis, is a star in the constellation Orion. Its apparent magnitude is 4.71. It is a semi-regular variable.[2]

References[edit]

  1. ^ a b c SIMBAD, CI Orionis (accessed 3 January 2013)
  2. ^ "CI Ori". The International Variable Star. AAVSO – American Association of Variable Star Observers. Retrieved 6 August 2016.