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Table 3

Orbital parameters of HD 161853 AB.

Parameter Value

P [d] 2.66765 ± 0.00001
Tperi [HJD] 2 456 634.04 ± 0.02
TRV max [HJD] 2 456 634.73 ± 0.02
V0 [km s-1] 4.0 ± 1.0
e 0.121 ± 0.007
ω [deg] 254 ± 4
q(M2/M1) 0.332 ± 0.007
K1 [km s-1] 96 ± 2
K2 [km s-1] 287 ± 2
M1 sin3i [M] 11.4 ± 0.4
M2 sin3i [M] 3.8 ± 0.3
a1 sini [R] 4.97 ± 0.08
a2 sini [R] 14.95 ± 0.09

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