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Fig. 5
Optical (observed) minus radio positions of the sources listed in Table 1 (both imagers) as a function of their J − Ks colour index (Col. 9 of the same table). The error bars are given by the two last columns of Table 1. For the sources 0743 − 673 and 0754 + 100 only the results from the WFI are considered.
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