Individual sheet: 9 Sgr
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Spectral type(s): O3.5V((f+)) + O5V
Multiplicity:
Confirmed binary system
Period(s): 8.6 yr
Orbital solution: yes
Ref: Rauw et al.(2012), Le Bouquin et al. (2017)
Quality flag (Q): I
Comments:
The multiplicity has been further investigated using long baseline interferometry and spectrocopy by Le Bouquin et al. (2017).