Theta Gruis

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Theta Gruis
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Grus
Right ascension 23h 06m 52.73046s [1]
Declination −43° 31′ 13.2857″ [1]
Spectral type F5me... [1]

Theta Gruis (θ Gru) is a triple star system in the constellation Grus. Its apparent magnitude is 4.33. The system contains a magnetic F5 stars with a close fainter companion, plus a more distant G2 main sequence star.[2]


  1. ^ a b c SIMBAD, Theta Gruis (accessed 20 September 2012)
  2. ^ Eggleton, P. P.; Tokovinin, A. A. (2008). "A catalogue of multiplicity among bright stellar systems". Monthly Notices of the Royal Astronomical Society. 389 (2): 869. arXiv:0806.2878Freely accessible. Bibcode:2008MNRAS.389..869E. doi:10.1111/j.1365-2966.2008.13596.x.