1 Sagittarii

From Wikipedia, the free encyclopedia
Jump to: navigation, search
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]
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]


  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 18 (3): 212. Bibcode:1987JHA....18..209W.