Peak position of hydrogen and helium lines from SINFONI and SPHERE-IFS data, respectively, as a function of distance from central objects. Dots indicate the sigma of the Gaussian distribution used to obtain the peak position within the slice. The solid blue line is the fit of the wiggle if it is produced by the orbital motion of the jet around the binary system at the center. The blue fit in the three panels is the same, however in the panel showing SINFONI data it is adjusted in order to account for the difference in phase between SPHERE and SINFONI observations and for the different instrument resolution.
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