Fig. 4
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Raw (top), filtered (middle), and residual (bottom) RVs of TWA 7 (red dots) over the observing period. The top plot shows the MCMC fit to the data, including a QP GPR modeling of the activity and a tentative planet on a 15.21-d circular orbit (cyan). The middle plot shows the tentative planet RV signature (cyan) once activity was filtered out. The rms of the residuals is 2.8 m s−1. A zoom in on the 2021 data is shown in Fig. D.1.
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