1 Sagittarii

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

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 "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.