Free Access
Table 2
Relative astrometry of the five runs of project BR127, also plotted in Fig. 2.
| Phase referencing from J1825−1718 (direct) | Phase referencing from LS 5039 (inverse) | |||||||||||||||||
|
|
|
|||||||||||||||||
| Run | J1818−1108 | LS 5039 | J1818−1108 | J1825−1718 | ||||||||||||||
|
|
|
|||||||||||||||||
| ΔRA | ΔDec | HPBW | ΔRA | ΔDec | ΔRA | ΔDec | HPBW | ΔRA | ΔDec | |||||||||
| [mas] | [mas] | [mas2 at °] | [mas] | [mas] | [mas] | [mas] | [mas2 at °] | [mas] | [mas] | |||||||||
|
|
||||||||||||||||||
| A | +4.0 | +4.4 | 3.0 × 1.2 at −4.3 | +1.3 ± 0.5 | +0.4 ± 0.7 | +1.1 | +0.3 | 6.8 × 2.6 at 6.1 | −1.4 ± 0.5 | −0.9 ± 1.0 | ||||||||
| B | −1.3 | −0.6 | 3.5 × 1.3 at −0.9 | −1.2 ± 0.3 | +1.2 ± 0.4 | +0.7 | −1.0 | 7.2 × 2.8 at 4.4 | +0.7 ± 0.5 | −1.2 ± 1.0 | ||||||||
| C | +0.1 | −2.6 | 3.2 × 1.3 at −2.8 | −0.2 ± 0.4 | −0.8 ± 0.5 | +0.2 | +1.2 | 6.8 × 2.7 at 7.8 | −0.3 ± 0.4 | +1.3 ± 0.8 | ||||||||
| D | −2.8 | +0.1 | 3.2 × 1.3 at −1.9 | +0.2 ± 0.5 | −0.5 ± 0.6 | +0.2 | +1.5 | 6.8 × 2.6 at 2.8 | +0.8 ± 0.3 | +0.4 ± 0.6 | ||||||||
| E | −0.0 | −1.2 | 3.9 × 1.3 at −5.4 | −0.2 ± 0.5 | −0.4 ± 0.8 | −2.2 | −2.0 | 7.1 × 2.7 at 12.2 | +0.2 ± 0.4 | +0.4 ± 0.8 | ||||||||
Notes. All displacements are measured with respect to the corresponding average position. The displacements of the check source J1818 − 1108 are used to determine the astrometric uncertainties (see Sect. 4.1).
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.