Open Access

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.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.