Sensitivity to radial velocity errors for MATISSE (left) and DEGAS (right). The values at Vrad = 0 km s-1 correspond to the values found in Fig. 4. Additional errors caused by an incorrect Vrad correction are almost null as long as the Doppler shift remains lower than 7 km s-1. For lower SNR the robustness of the algorithms is higher, which has an almost negligible effect even for an extreme velocity error of Vrad = 15 km s-1.
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