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Table 5
Differential astrometry of δ Vel from NACO and VISIR images.
| UT date | MJD-54 000 | [αB − αA] | [δB − δA] |
| mas | mas | ||
|
|
|||
| 2008-04-01N | 557.0224 | −430.6 ± 1.0 | 457.8 ± 1.0 |
| 2008-04-04N | 560.9976 | −430.7 ± 1.0 | 457.1 ± 1.0 |
| 2008-04-06N | 562.0121 | −430.8 ± 1.0 | 457.1 ± 1.0 |
| 2008-04-07N | 563.0048 | −430.7 ± 1.0 | 457.0 ± 1.0 |
| 2008-04-20N | 576.9715 | −430.3 ± 1.0 | 452.9 ± 1.0 |
| 2008-04-23N | 579.0231 | −430.0 ± 1.0 | 452.0 ± 1.0 |
| 2008-04-24V | 580.0503 | −425.9 ± 4.3 | 454.0 ± 4.5 |
| 2008-04-24N | 580.9917 | −429.8 ± 1.0 | 451.1 ± 1.0 |
| 2008-05-05N | 591.9748 | −428.9 ± 1.0 | 448.7 ± 1.0 |
| 2008-05-07N | 593.9732 | −429.2 ± 1.0 | 448.0 ± 1.0 |
| 2008-05-18N | 604.0442 | −429.6 ± 1.0 | 445.4 ± 1.0 |
| 2009-01-07N | 838.1347 | −424.6 ± 1.0 | 381.3 ± 0.9 |
Notes. Measurements from NACO have the symbol N, whereas measurements from VISIR have V. The angles are all expressed in milliarcseconds.
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