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Table 2

Formal orbital elements for HD 161306.

Solution Circular Eccentric

P (d) 99.90 ± 0.50 100.03 ± 0.48
T maxRV 2 456 152.34 ± 2.16 2456148.5 ± 10.3
e 0.0, assumed 0.106 ± 0.033
ω(deg) 269.8 ± 17.3
KHα (km s-1) 4.90 ± 1.53 5.03 ± 1.64
KHe i (km s-1) 86.48 ± 2.46 87.43 ± 2.50
γ (km s-1) 8.32 ± 1.29 9.00 ± 1.25
rms (km s-1) 11.363 10.801
Number of spectra 43/39 43/39

Notes. Component 1 – RV of Hα emission line; component 2 – RV of prominent emission peak in the He i 6678 Å line.

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