1 Sagittarii
Observation data Epoch J2000.0[1] Equinox J2000.0[1] | |
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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
- ↑ 1.0 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.
- ↑ 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.
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