Abstract
A time series of Ca ii K filtergrams of the chromosphere was used to study the relationship between correlation lifetimes and autocorrelation length scales. The form of the lifetime-scale relation is inferred by comparing the distribution of the two parameters. A linear dependence of lifetime on cell area, with a least squares fit slope of 3.34×107 km2 hr−1, is deduced. The relation can be explained by assuming the network evolves by means of a diffusion process of the magnetic elements.
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Srikanth, R., Raju, K. & Singh, J. The chromospheric network: Dependence of cell lifetime on length-scale. Solar Physics 184, 267–280 (1999). https://doi.org/10.1023/A:1005125326765
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DOI: https://doi.org/10.1023/A:1005125326765