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Table B.8

Best fit orbital solution to the astrometric observations of HD 167971.

Element Unit Value Uncertainty

T MJD 54 736 59
P days 7806 540
a mas 18.15 0.90
e 0.443 0.020
Ω deg 197.7 8.8
ω deg 108.5 4.7
i deg 145.2 3.2
f H 0.78 0.07

From apparent orbit and distance
d pc 1750 200
M t M 70 25

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