Table G.1.
Average astrometric properties of the known and new sources in ρ Oph.
| Dimension | Known | New | All | Δ |
|---|---|---|---|---|
| α (deg) | 246.6 ± 1.0 | 245.2 ± 1.6 | 246.3 ± 1.3 | 1.4 |
| δ (deg) | −24.2 ± 0.8 | −23.8 ± 1.5 | −24.1 ± 0.9 | −0.4 |
| ϖ (mas) | 7.2 ± 0.4 | 7.0 ± 0.3 | 7.1 ± 0.4 | 0.1 |
| d (pc) | 140.0 ± 8.5 | 142.5 ± 5.8 | 140.6 ± 7.9 | −2.4 |
 (mas yr−1) |
−8.2 ± 3.0 | −9.6 ± 1.9 | −8.6 ± 2.8 | 1.4 |
| μδ (mas yr−1) | −24.9 ± 2.5 | −23.9 ± 2.0 | −24.7 ± 2.4 | −1.0 |
| vα (km s−1) | −5.4 ± 1.9 | −6.5 ± 1.3 | −5.7 ± 1.8 | 1.1 |
| vδ (km s−1) | −16.7 ± 1.6 | −16.1 ± 1.1 | −16.5 ± 1.5 | −0.6 |
| vr (km s−1) | −5.8 ± 4.3 | −5.0 ± 5.1 | −0.9 ± 68.5 | −0.8 |
| X (pc) | 132.7 ± 8.1 | 134.1 ± 5.8 | 133.0 ± 7.6 | −1.4 |
| Y (pc) | −15.8 ± 1.9 | −17.4 ± 3.0 | −16.2 ± 2.4 | 1.6 |
| Z (pc) | 41.8 ± 3.4 | 44.6 ± 4.2 | 42.5 ± 3.9 | −2.9 |
| U (km s−1) | −5.2 ± 3.3 | −4.9 ± 4.5 | −5.9 ± 5.8 | −0.2 |
| V (km s−1) | −15.3 ± 1.4 | −15.9 ± 1.0 | −15.3 ± 1.5 | 0.6 |
| W (km s−1) | −8.6 ± 2.1 | −7.3 ± 2.5 | −8.7 ± 2.5 | −1.3 |
Notes. The average positional and dynamical values, including their standard deviations (1σ), were determined for the known and new sources separately, as well as for all of them together. The column Δ contains the difference of the known and new mean values for comparison of the two.
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