CAOSP abstracts, Volume: 41, No.: 2, year: 2011

Abstract: This brief review summarizes three research topics recently addressed with synoptic observations carried out at the Ca II K line and other continuum spectral ranges and relating to solar variability occurring on time scales from a day to a few decades. Namely, the irradiance reconstructions from intensity images, the radiative emission of solar features in the Ca II K line, and the comparison of time series of Ca II K spectroheliograms.

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Last update: November 09, 2011