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Fig. 5
Radial velocity data of MASCARA-4 taken with the FIDEOS spectrograph on the ESO 1m telescope. A marginal sinusoidal variation is detected at 3σ with an amplitude of 310 ± 90 m s−1. Assuming a stellar mass of 1.75 ± 0.05 M⊙, this corresponds to a planet mass of 3.1 ± 0.9 MJup, well within the planetary regime.
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