Fig. 15


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Magnetic helicity in Solar Cycle 24: (a) The time-latitude evolution of the large-scale magnetic helicity density, ; (b) the mean latitudinal profile of the large-scale magnetic helicity density (blue line) with 95% confidence interval for the standard error. Red line shows the average profile for the first half of the cycle including CR2097–2156; (c) shows the same as (a) for the azimuthal averaging of the small-scale magnetic helicity density , see equation (11) in Pipin et al. (2019); (d) shows the same as (b) for the . Used by permission from Pipin et al. (2019).

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