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Table 2

Phase speeds at the solar surface of fast and slow kink modes.

Observed phase speeds at solar surface (km s-1)

Fast kink mode Slow kink mode

AR 11726 AR 11327 AR 11726 AR 11327
ρ0 = ρe 4.1 ± 0.042 3.9 ± 0.042 4.4 ± 0.044 4.3 ± 0.044
ρ0 = ρe/ 2 4.7 ± 0.049 4.5 ± 0.049 5.2 ± 0.053 5.2 ± 0.053
ρ0 = ρe/ 4 5.1 ± 0.054 4.9 ± 0.054 5.9 ± 0.06 5.8 ± 0.06
ρ0 = ρe/ 6 5.3 ± 0.056 5.1 ± 0.056 6.2 ± 0.063 6.1 ± 0.063

Notes. All velocity data are given in km s-1. The errors are estimated using Eqs. (7) and (8), accordingly.

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