Fig. 5
RV measurements for HD 12648 from September 2010 to May 2015. Top panel: observed RVs for HD 12648, and the solid line is a Keplerian orbital fit with a period of 133.6 days, a semi-amplitude of 102.0 m s-1, and an eccentricity of 0.04, yielding a minimum companion mass of 2.9 MJup. Bottom panel: residual velocities remaining after subtracting the companion model from observations.
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