Connecting photometric and spectroscopic granulation signals with CHEOPS and ESPRESSO

Open Access

Table 7

Best-fitting parameters of model (4) fitted to CHEOPS and ESPRESSO averaged periodograms of HD 67458 and HD 88595.

Target	Parameter	Photometry	Spectroscopy
	α_g
HD 67458	β_g
	f_H
	f_g
	α_g
HD 88595	β_g
	f_H
	f_g
Sun	α_g	1.33 ± 0.03	1.34 ± 0.14

Notes. Frequencies f_H and f_g are expressed in µHz. The last row indicates the flicker index based on solar VIRGO and GOLF averaged periodograms.

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