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Fig. 5

image

RV estimates for N mean RV (red dashed line), SN mean RV (black line) or SN median RV (cyan dotted-dashed line) using CCFs generated from SOAP 2.0 with an equatorial 1% spot on the simulated Sun. The star does one full rotation between phase −0.5 and 0.5; the spot is seen face-on at phase 0. The SN mean RV seems to have the smallest spurious variations caused by the spot.

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