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Table 1.

Literature visual orbits for HD 193 322 Aa,Ab and 15 Mon Aa,Ab.

System Reference P T0 e a i Ω ω
(a) (a) (mas) (deg) (deg) (deg)
HD 193 322 Aa,Ab ten Brummelaar et al. (2011) 35.20 ± 1.45 1994.84 ± 1.69 0.489 ± 0.081 54.5 ± 3.7 46.2 ± 1.7 255 ± 15 70.4 ± 7.5
15 Mon Aa,Ab Gies et al. (1993) 25.32 ± 0.18 1922.86 ± 0.23 ( † ) 0.67 ± 0.05 33.9 ± 1.5 30 ± 10 15.0 ± 2.5 349 ± 5
15 Mon Aa,Ab Gies et al. (1997) 23.64 ± 0.06 1925.98 ± 0.16 ( ‡ ) 0.78 ± 0.02 33.9 ± 0.5 35 ± 20 16.8 ± 1.2 348 ± 3
15 Mon Aa,Ab Cvetković et al. (2009) 74.00 ± 0.30 1996.07 ± 0.29 0.760 ± 0.017 88.5 ± 2.8 62.4 ± 0.4 42.6 ± 0.4 82.6 ± 1.5
15 Mon Aa,Ab Cvetković et al. (2010) 74.28 ± 4.06 1996.06 ± 4.16 0.716 ± 0.098 96 ± 15 51.2 ± 3.1 52.6 ± 5.2 69 ± 11
15 Mon Aa,Ab Tokovinin (2018) 190.5 1995.85 0.851 170 38.8 197.4 287

Notes. ( † )Last periastron passage in 1998.8. ( ‡ )Last periastron passage in 1996.9.

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