Sigma Cygni

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Sigma Cygni
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Cygnus
Right ascension 21h 17m 24.95244s [1]
Declination +39° 23′ 40.8528″ [1]
Spectral type B9Iab [1]

Sigma Cygni (σ Cyg) is a star in the constellation Cygnus. Its apparent magnitude is 4.21.

References[edit]

  1. ^ a b c SIMBAD, Sigma Cygni (accessed 26 August 2012)