Titlebook: Solar Origins of Space Weather and Space Climate; Irene González Hernández,Rudolf Komm,John Leibache Book 2014 Springer Science+Business M

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A Study of Connections Between Solar Flares and Subsurface Flow Fields of Active Regions, select five active regions that produced a total of 11 flares with peak X-ray flux intensity higher than M5.0. The subsurface velocity fields are obtained from time–distance helioseismology analysis using SDO/HMI (./.) Doppler observations, and the X-ray flux intensity is taken from GOES (.). It is

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Far- and Extreme-UV Solar Spectral Irradiance and Radiance from Simplified Atmospheric Physical Modfeatures that at any given point in time may cover the solar disk depending on the state of solar activity. The present update introduces important modifications to the chromosphere–corona transition region of all models. Also, the update introduces improved and extended atomic data. By these change

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Migration and Extension of Solar Active Longitudinal Zones,s migration, the longitudinal activity distribution around the center of the band can be determined. The half-width of the distribution is found to be varying in Cycles 21 – 23, and in some time intervals it was as narrow as 20 – 30 degrees. It was more extended around a maximum but it was also narr

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