Table 2
Parameters of flux-weighted ellipses fitted to the maser cloudlets with their uncertainties (1σ) that appeared in all three epochs. Fits are presented in Fig. A.1.
Epoch | Centre (a) | Semi-axes; PA (b) | |
---|---|---|---|
ΔRA | ΔDec | ||
(mas) | (mas) | (mas × mas; °) | |
E1 | −66.058 ± 0.025 | −96.411 ± 0.012 | 134.89 ± 0.022 × 123.94 ± 0.03; −20 ± 0.1 |
E2 | −66.379 ± 0.025 | −96.246 ± 0.012 | 136.01 ± 0.023 × 124.49 ± 0.023; −19 ± 0.2 |
E3 | −66.824 ± 0.024 | −97.350 ± 0.012 | 136.06 ± 0.012 × 125.27 ± 0.03; −19 ± 0.1 |
Notes. (a) The relative coordinates to the brightest spot position in the first epoch as given in Table 1. (b) The position angle of the major axis (north to east).
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.