Ca II K bright points and the solar cycle |
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| Authors: | K R Sivaraman |
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| Institution: | (1) Indian Institute of Astrophysics, 560034 Bangalore, India |
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| Abstract: | We have made number counts of the bright points that populate the interior of the Ca II network in the solar chromosphere for four solar cycles. We find that the number of these fine structures during the solar maximum exceeds that during the minimum phase on an average by 30%. The contribution due to this excess number would need to be taken into account while explaining the variation in the Ca II K emission profiles of the integrated sunlight from the solar minimum to the maximum. |
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