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Fig. 4

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Estimates of the solar-relative CB and differential rotation ratio, along with a comparison to the existing literature. Left: the solar-relative scale factor as a function of the effective temperature for a sample of stars ranging from M to F spectral types (Liebing et al. 2021). The red point and error bars represent the prediction of our best-fit model. Right: the relative differential rotation coefficient as a function of the rotation period of the stellar surface at the equator. We compared our retrieval with the results from Fares et al. (2010) and Cegla et al. (2016b). Additionally, we compared these measurements with the differential rotation coefficients obtained from the analysis of photometric data of 24 124 Kepler stars (Reinhold & Gizon 2015). We represent these measurements as black dots. For the period, we selected the minimum one provided by the authors since it corresponds to the equatorial period for stars exhibiting solar-like differential rotation.

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