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Table 2

Orbital parameters determined for HD 123999 from PIONIER observations and radial velocity measurements.

Parameter Value

Period P 9.604559 ± 0.000005 days
HJD of periastron Tp 2 454 100.4340 ± 0.0006
Excentricity e 0.1924 ± 0.0001
Long. of periastron ω 286.86 ± 0.02 deg
Ascending node Ω 260.71 ± 0.12 deg
Semi-amplitude KA 67.179 ± 0.006 km s-1
Semi-amplitude KB 69.390 ± 0.002 km s-1
System velocity γ 9.62 ± 0.03 km s-1
Semi-major axis a 3.436 ± 0.003 mas
Inclination i 108.7 ± 0.2 deg
(deg. of freedom = 222) 4.62
Mass of A component mA 1.432 ± 0.005 M
Mass of B component mB 1.387 ± 0.004 M
Distance d 36.36 ± 0.06 pc
Semi-major axis a 0.1249 ± 0.0001 AU
Residual VA σ = 0.370 km s-1
Residual VB σ = 0.407 km s-1

Notes. The listed error bars include only statistical errors and should not be considered accurate at this level.

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