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Table 2.

Statistical summary for the activity parameters and their model log-marginal likelihood ln(P(O|MAR) when F(θ|x) = Π(θ0, δ), Λ(θ0, δ), or 𝒩(θ0, δ).

Active Sun Quiet Sun 16 Cyg A
16 Cyg B
No bias bias corr. No bias
bias corr.
a4 ≃ −27.9 a4 ≃ −1.0 a4 ≃ −27.9 a4 ≃ −1.0
ln(P(O|MCF) −10.809 −0.367 −1.856 −3.889 −10.596 −1.228 −5.910 −2.951

Π(θ0, δ) ϵnl (10−4)
θ0 (deg)
δ (deg)
ln(P(O|MAR) −0.685 −0.347 −0.482 −0.656 −0.878 −0.449 −0.781 −0.611
Significance (%) > 99.99 50.5 79.8 96.2 > 99.9 68.6 99.3 91.2

Λ(θ0, δ) ϵnl (10−4)
θ0 (deg)
δ (deg)
ln(P(O|MAR) −0.698 −0.296 −0.492 −0.699 −0.930 −0.427 −0.847 −0.639
Significance (%) > 99.99 51.8 79.6 96.0 > 99.99 69.0 99.4 91.0

𝒩(θ0, δ) ϵnl (10−4)
θ0 (deg)
δ (deg)
ln(P(O|MAR) −0.708 −0.384 −0.584 −0.811 −0.943 −0.516 −0.811 −0.759
Significance (%) > 99.99 49.6 78.1 95.6 > 99.99 67.1 99.4 90.0

Average ϵnl (10−4)
θ0 (deg)
δ (deg)
ln(P(O|MAR) −0.697 −0.342 −0.519 −0.722 −0.917 −0.464 −0.824 −0.670
Significance (%) > 99.99 50.6 79.2 96.0 > 99.99 68.2 99.4 90.7

Notes. The log-marginal likelihood for a pure centrifugal effect is ln(P(O|MCF). The activity significance is the probability that the activity is necessary to explain the data and derived from the log-marginal likelihoods. Uncertainty regarding the activity significance is less than 0.25%.

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