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Table 1
Observing parameters (Cols. 1–4) and the absolute coordinates of the brightest spots with their uncertainties as measured in each epoch (Cols. 5 & 6).
| Exp. | Epoch (date) | Beam | 1σ noise | RA (J2000) | Dec (J2000) |
|---|---|---|---|---|---|
| code | (mas × mas); PA (°) | (mJy b−1) | (h:m:s) | (o:′:″) | |
| EN003 (1) | E1(2004 Nov. 11) | 16 × 5.5; −1° | 10 | 18:34:51.5648 ± 0.0001 | −08:18:21.305 ± 0.004 |
| EB052 | E2(2013 Mar. 2) | 9.0 × 4.0; −28° | 4 | 18:34:51.5642 ± 0.0001 | −08:18:21.325 ± 0.004 |
| EB052 | E3(2015 Mar. 15) | 10.3 × 3.6; −36° | 4 | 18:34:51.5641 ± 0.0001 | −08:18:21.332 ± 0.004 |
References. (1) Taken from Bartkiewicz et al. (2009).
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