Table 11.
Adopted proper motions for the orbit integration, plus orbit parameters of the stars in this work.
| ID | PMRA | PMDE | U | V | W | Rmin | Rmax | ecc | Zmax |
|---|---|---|---|---|---|---|---|---|---|
| mas yr−1 | mas yr−1 | km s−1 | km s−1 | km s−1 | kpc | kpc | kpc | ||
| S1 | −51.2 σ = 0.9 | −4.7 σ = 1.0 |  |
 |
 |
 |
 |
 |
 |
| S2 | 16.79 σ = 0.49 | −4.50 σ = 0.18 |  |
 |
 |
 |
 |
 |
 |
| S3 | −24.20 σ = 0.06 | −48.96 σ = 0.05 |  |
 |
 |
 |
 |
 |
 |
| S4 | 32.43 σ = 0.07 | 0.85 σ = 0.07 |  |
 |
 |
 |
 |
 |
 |
Notes. The distance was derived by PARAM, using BM seismic parameters (see Table 6); radial velocity has been measured from ESO spectra via cross-correlation (see Table B.1) and proper motions were taken from Gaia DR2 catalogue (UCAC-5 for S1, from the flags in Gaia DR2 catalogue). The orbits were integrated using Galpy v.1.4.0 using MWpotential2014 potential.
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