Identification and Evolution of Variance Morphologies in CA II H+K Time Series

Details Identification and Evolution of Variance Morphologies in CA II H+K Time Series Identification and Evolution of Variance Morphologies in CA II H+K Time Series

May 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995aas...186.2213d&link_type=abstract

American Astronomical Society, 186th AAS Meeting, #22.13; Bulletin of the American Astronomical Society, Vol. 27, p.843

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The relative distribution of pooled variance at different time scales for the chromospheric activity of approximately 100 stars observed at Mount Wilson Observatory may be divided into three basic morphological types which depend to a large extent on their mean activity level (i.e., age) and color (i.e., mass). Analysis of the pooled variance plots possibly provide a technique for determining the lifetimes of stellar active regions and their influence on chromospheric time series used for determining rotation and activity cycle periods.

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