Mode visibilities in radial velocity and photometric Sun-as-a-star helioseismic observations

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Table A.2

Height ratios β_l between the m-components of the l = 2 and l = 3 modes measured in the BiSON and integrated GONG time series.

β_l	BiSON	GONG

β₂	0.625 ± 0.032	0.882 ± 0.045
β ₃	0.445 ± 0.020	–^a

Notes.

^(a)

Owing to the very small visibility of the l = 3 mode in the GONG integrated data, the m-height ratio for l = 3 could not be accurately measured.

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