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Fig. 2.


Probability density for the latitude of an active region at median time of Q3. Left panel: theoretical density for the couple (Ωa, θa). Central panel: prior density for the couple (Ωa, θa); it is Gaussian for Ωa and uniform for θa. Upper right panel: posterior density for the parameters. Lower right panel: marginal density for θa, obtained after integration over Ωa.

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