Period spacings in red giants - III. Coupling factors of mixed modes

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This article has an erratum: [https://doi.org/10.1051/0004-6361/201630053e]

Fig. 8

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Coupling factor q as a function of the period spacing ΔΠ₁ for RGB and clump stars. Same symbols as in Fig. 6. A threshold at Q = 100 reduces the number of stars compared to Fig. 5. The dotted and dashed lines correspond to the fits for RGB and clump stars, respectively.

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