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Table 1

Orbital parameters from V Hya for the two methods described in Sect. 3.1.

RV data only RV and astrometry data
Parameter Values Parameter Value
P (yr) 17.22 ± 0.92 P (yr)
e 0.020 ± 0.020 e
T0 (JD) 2455070±1665 T0 (JD)
ω (°) 40.62 ± 98.66 ω (°)
a1 sin i (au) 3.73 ± 0.01 a (au)
f(m) (M) 0.176 ± 0.003 i (°)*
K (km s−1) 6.46 ± 0.43 M2/M1
γ (km s−1) −8.40 ± 0.45 Ω (°)*
A (km s−1) 5.18 ± 0.18 M2 (M)
Γ −0.68 ± 0.08 σjit (km s−1)
t0 (JD) 2 449 962 ± 4
13.65 14.0
DoF 9 DoF 9

Notes. Left part: parameters from step 1. Right part: parameters from step 2, parameters with asterisk (*) are discussed in Sect. 3.3. DoF stands for ‘degrees of freedom’.

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