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Table 1.

Parameters of the V1334 Cyg system from the combined analysis of the spectroscopic orbit of Evans (2000) and the proper motion anomaly vectors.

Adopted parameters
Parallax from GDR2 ϖ 1.180±0.066 mas (1.388±0.015 mas)
Mass from P-M m1 4.6±0.7M (4.29±0.13M)

Parameters from Evans (2000)
Orbital period P 1937.5±2.1 d (1932.8±1.8 d)
Eccentricity e 0.197±0.009 (0.233±0.001)
Arg. of periastron ω 226.4±2.9 deg (229.8±0.3 deg)
vr amplitude K1 14.10.1 km s−1 (14.1680.014 km s−1)
vr at Hip epoch +9.86 ± 0.41 km s−1
vr at GDR2 epoch −9.66 ± 1.33 km s−1

PMa vectors
μHip [−1.36±0.29, +0.26±0.33] mas a−1
μG2 [+ 2.90±0.12, +2.73±0.14] mas a−1

Parameters from present analysis
Inclination i 118±6 deg (124.94±0.09 deg)
Semimajor axis a 6.18±0.21 au (6.16±0.07 au)
Ang. semimajor axis θ 7.3±0.5 mas (8.54±0.04 mas)
Long. of asc. node Ω 208±6 deg (213.17±0.35 deg)
Mass of secondary m2 3.80±0.57M (4.04±0.05M)

Notes. The high accuracy values derived by Gallenne et al. (2018) are given for each parameter in parentheses.

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