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Latitudinal-Temporal Analysis of Long-Periodic Variations of Coronal Bright Points

E.P. MinenkoUlugh Beg Astronomical Institute, Uzbekistan Academy of Sciences, Astronomicheskaya str. 33, 100052, Tashkent, UzbekistanSh. A. EhgamberdievUlugh Beg Astronomical Institute, Uzbekistan Academy of Sciences, Astronomicheskaya str. 33, 100052, Tashkent, Uzbekistan

Geomagnetism and Aeronomyjournal2021en

ABI

Annotatsiya

The latitudinal-temporal changes in wavelet spectra for the number of coronal bright points (CBPs) in solar-activity (SA) cycles 23 and 24 are analyzed with the Morlet function. The number of CBPs at different latitudes is found to vary in different ways. The changes in the total number of CBPs show no noticeable relation with SA cycles. Conversely, the distribution of the spectral density of the CBP number at active and high latitudes and the equator, as well as the total CBP number, shows a pronounced agreement with the course of the SA cycle. An anticorrelation is observed for the high latitude zone.

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Mavzular

Solar and Space Plasma Dynamics Geophysics and Gravity Measurements Geomagnetism and Paleomagnetism Studies

Identifikatorlar

DOI: 10.1134/s0016793221080168

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