The Correlation Lifetimes of Chromospheric CA II K Network Cells

Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/3176

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DC Field	Value	Language
dc.contributor.author	Raju, K. P	-
dc.contributor.author	Srikanth, R	-
dc.contributor.author	Singh, J	-
dc.date.accessioned	2008-08-18T10:50:15Z	-
dc.date.available	2008-08-18T10:50:15Z	-
dc.date.issued	1998-03	-
dc.identifier.citation	Solar Physics, Vol. 178, No. 2, pp. 251 – 257	en
dc.identifier.issn	0038-0938	-
dc.identifier.uri	http://hdl.handle.net/2248/3176	-
dc.description	Restricted Access	en
dc.description.abstract	The lifetimes and spatial scales of emission network cells in the solar chromosphere were studied from a nearly continuous sequence of Caii K filtergrams, obtained from Antarctica. The temporal autocorrelation function (ACF) was calculated for spatially-aligned windows from the time sequence of filtergrams. The lifetime of network cells was found to be dependent on the activity of the region. The estimated lifetimes are 24–34 hours for quiet-region cells and 58–61 hours for active-region cells. The temporal ACF shows prominent undulations in some of the quiet-region windows. The spatial ACF reveals the periodicity of the emission network in quiet regions.	en
dc.format.extent	71554 bytes	-
dc.format.mimetype	application/pdf	-
dc.language.iso	en	en
dc.publisher	Springer	en
dc.relation.uri	http://www.springerlink.com/content/m46714454q2k6894/	en
dc.subject	Solar Chromosphere	en
dc.subject	ACF	en
dc.title	The Correlation Lifetimes of Chromospheric CA II K Network Cells	en
dc.type	Article	en
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