The chromospheric network: Dependence of cell lifetime on length-scale |
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Authors: | Srikanth R. Raju K.P. Singh Jagdev |
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Affiliation: | (1) Indian Institute of Astrophysics, Koramangala, Bangalore 34, India |
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Abstract: | A time series of Caii 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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