Fig. 3.
Time evolution of the total unsigned magnetic flux (USFLUX), the total unsigned vertical current (TOTUSJZ), the total unsigned current helicity (TOTUSJH), and the total photospheric magnetic free-energy density (TOTPOT) for active region NOAA 11143 (SHARP 335). This active region did not produce any solar flare during its transit across the visible solar disk.
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