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Table A.1.

Threshold levels Bc and Beye for determining the boundary of the sunspot in maps of the magnetic field strength for defined depths z.

Depth [Mm] 0 −0.625 −1.25 −1.875 −2.5 −3.125 −3.75 −4.375 −5
Bc [G] 600 977 1669 2203 2711 3139 3500 3806 4130

Beye [G] 1000 1700 2000 2500 3500


Depth [Mm] −5.625 −6.25 −6.875 −7.5 −8.125 −8.75 −9.375 −10 −10.625

Bc [G] 4358 4547 4731 4782 4832 4928 5021 5036 5055

Beye [G] 4000 4250 4500 4500


Depth [Mm] −11.25 −11.875 −12.5 −13.125 −13.75 −14.375 −15 −16.25 −17.5

Bc [G] 5104 5156 5084 5014 5017 5086 5100 5309 5509

Beye [G] 4500 4500 4500 4500

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