Fig. 8.
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Radial velocity measurements of HD 187878. Top: data obtained from March 2010 to May 2022 using the coudé echelle spectrograph at TLS, Germany; the HERMES spectrograph at Mercator, La Palma; and the Ondřejov Echelle Spectrograph, Czech Republic. The solid curve represents the Keplerian orbital solution. Bottom: RV residuals and error bars after removing the orbital solution of HD 187878 B.
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