Variability of the solar chromospheric network over the solar cycle

descriptionPublicationkeyboard_double_arrow_right Article , Part of book or chapter of book 01 Jan 1994 English Publisher:Springer Science and Business Media LLCJournal:Solar Physics, volume 152, pages 139-144 (issn: 0038-0938, eissn: 1573-093X,

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Authors: R. Kariyappa; K. R. Sivaraman;

doi: 10.1007/bf01473196 , 10.1007/978-94-011-0950-5_22

Variability of the solar chromospheric network over the solar cycle

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Abstract

From a large sample of the Kodaikanal spectroheliograms in the Call K line we have studied the variations in the intensity of the network elements over two solar cycles and have estimated their contribution to the overall variability seen in the disc-averaged K line profiles. The relative contribution of the network elements and the bright points to the K-emission are of the order of 25% and 15% respectively. We have shown that the area of the network elements is anti-correlated with the solar activity, and it increases by about 24% during the solar minimum compared to the maximum period.

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Indian Institute of Astrophysics
India

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