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Fig. 5

image

Astrometry for HR8799bcde observed during the nights of December 4–6, and 8, 2014. The positions obtained from the left (resp. right) data cubes are represented with downward (resp. upward) black triangles. The error bars on the individual data points take into account all the contributions discussed in Sects. 3.13.4. The red dots correspond to the final astrometric measurements for each planet, together with the final error bar discussed in Sect. 3.5. The dashed lines represent the best orbital solutions for each planet in terms of reduced χ2 reported in Table 5.

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