Table 3
Components in α and δ of the vector r1, which provides the position of the barycenter or center of luminosity with respect to the position of the primary star for the close binary systems in UX Ari, HD 283447, and DoAr51.
| Barycenter | Center of luminosity | Difference | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| r1,α* | σr1,α* | r1,δ | σr1,δ | r1,α* | σr1,α* | r1,δ | σr1,δ | r1,α* | σr1,α* | r1,δ | σr1,δ | |
| UX Ari, P 1 | −0.707 | 0.020 | −0.139 | 0.052 | −0.304 | 0.009 | −0.060 | 0.022 | −0.403 | 0.022 | −0.079 | 0.056 |
| UX Ari, P 2 | −0.708 | 0.019 | −0.111 | 0.049 | −0.305 | 0.008 | −0.048 | 0.021 | −0.403 | 0.021 | −0.063 | 0.053 |
| HD 283447, P 1 | 1.286 | 0.045 | 0.873 | 0.111 | 0.568 | 0.020 | 0.386 | 0.049 | 0.717 | 0.049 | 0.487 | 0.121 |
| HD 283447, P 2 | 1.283 | 0.045 | 0.924 | 0.113 | 0.567 | 0.020 | 0.408 | 0.050 | 0.716 | 0.050 | 0.515 | 0.123 |
| DoAr51, P 1 | −2.003 | 0.052 | −2.795 | 0.153 | −2.169 | 0.057 | −3.028 | 0.166 | 0.167 | 0.077 | 0.233 | 0.226 |
Notes. If two primary calibrators – P 1 and P 2 – were available for phase-referencing, the results from referencing to each of them are shown. The standard deviations for the components of the vector r1, 
and 
, are based on random error (see Sect. 3.2) and variance propagation. Units are in milliarcseconds.
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.