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Table 2.

Spectroscopic orbital solution for V643 Ori.

Parameter Value
Adjusted elements

P (days) 52.42136 ± 0.00014
γ (km s−1) +32.557 ± 0.067
K1 (km s−1) 36.307 ± 0.073
K2 (km s−1) 61.99 ± 0.16
Min I (HJD 2 400 000+) 47 193.554 ± 0.016
ΔCfA (km s−1) −0.64 ± 0.16
ΔCORAVEL (km s−1) −0.40 ± 0.51
Δ (km s−1) −0.84 ± 0.23

Derived quantities

M1sin3i () 3.254 ± 0.019
M2sin3i () 1.9056 ± 0.0090
q ≡ M2/M1 0.5857 ± 0.0019
asini () 101.86 ± 0.18
CfA σ1, σ2 (km s−1) 0.44/0.95
CfA Nobs, 1, Nobs, 2 44/44
CORAVEL σ1, σ2 (km s−1) 1.31/2.54
CORAVEL Nobs, 1, Nobs, 2 35/31
NMin I, NMin II 19/9

Notes. ΔCfA and ΔCORAVEL are the primary minus secondary velocity offsets, Δ is the global CfA minus CORAVEL shift. The minimum masses and semimajor axis are in units of the nominal solar mass and radius (2015 IAU Resolution B3, see Prša et al. 2016).

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