Table 4: Relative astrometric results for CT Cha A and companion.
Epoch differ- Change in sepa- Change in
ence [days] ration [pixel] PAa [$\deg$]
378.08299 -0.09 $\pm $ 0.20 -0.036 $\pm $ 0.086

Remarks: all data from $K\rm s$-band images. a PA is measured from N over E to S.

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