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Fig. 7

image

Stability of the semi-amplitude of the signal as a function of the logarithm of the wavelength at the center on the order used for LSPM J2116+0234. The red circles show the semi-amplitudes of a Keplerian orbit fit using the velocities of each order individually. The values and uncertainties are computed from the MCMC posterior distribution. The black dashed line indicates the semi-amplitude found when using the combined RVs.

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