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Fig. 5.

image

Evolution of Tc (panel A) and nc (panel B) as a function of pB for a solar twin with a rotation period of 15 days. Solid line: pL = 2. Dashed lines: pL = 3. In black: Holzwarth & Jardine (2007) prescription. In light red: single temperature scaling scenario. In purple: entropy equilibrium scenario. In blue: single density scaling scenario. In hatched gray: values of coronal temperatures leading to < 0. The light gray band corresponds to the upper and lower bounds of pB, which we consider to be consistent with ZDI statistical studies.

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