4.7 Article

Chromospheric activity in 55 Cancri: II. Theoretical wave studies versus observations

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Chromospheric activity in 55 Cancri - I. Results from theoretical wave studies

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Summary: We present theoretical models of chromospheric heating for 55 Cancri, focusing on the impact of longitudinal waves and acoustic waves on the Caii K fluxes. Our study explores the influence of magnetic heating on the stellar atmospheric structure and the emergent Caii emission, as well as the effects of non-linearities, showing that a higher photospheric magnetic filling factor leads to a larger Caii emission. Comparisons with observations will be discussed in forthcoming Paper II.

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