1 Sagittarii

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11 Sagittarii
Observation data
Epoch J2000.0[1]      Equinox J2000.0[1]
Constellation Sagittarius
Right ascension 18h 11m 43.3330s[1]
Declination −23° 42′ 04.447″[1]
Apparent magnitude (V) 4.98[1]
Characteristics
Spectral type K0III[1]
Other designations

1 Sagittarii (1 Sgr) is a double star in Sagittarius. The primary star is an orange giant star.[1] This star is often referred to as 11 Sagittarii, although that designation actually refers to a different, much fainter star.[2]

References[edit]

  1. ^ a b c d e f "11 Sgr — Star in Double System". SIMBAD. Centre de Donnees Astronomiques de Strasbourg. Retrieved 25 February 2011. 
  2. ^ Wagman, M. (August 1987). "Flamsteed's Missing Stars". Journal for the History of Astronomy, Vol.18, NO. 3/AUG, P.209, 1987 18: 212. Bibcode:1987JHA....18..209W.