Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Plotnikov, Andrei"'
Autor:
Kutsenko, Alexander, Terebizh, Valery, Dolgopolov, Andrei, Abramenko, Valentina, Plotnikov, Andrei, Semyonov, Dmitriy, Skiruta, Vladimir, Lopukhin, Vyacheslav
The Spectro-Polarimeter (SP) is a new instrument installed at the upgraded Andrei B. Severny Solar Tower Telescope (STT) at the Crimean Astrophysical Observatory. The instrument is a traditional echelle slit dual-beam spectropolarimeter with temporal
Externí odkaz:
http://arxiv.org/abs/2409.11289
We explore properties and behavior of slow-decaying unipolar sunspot groups in the framework of the turbulent erosion model suggested by Petrovay and Moreno-Insertis (1997). The basic concept of the model is the suppression of a turbulent diffusivity
Externí odkaz:
http://arxiv.org/abs/2403.04422
We used line-of-sight magnetograms acquired by the Helioseismic and Magnetic Imager on board the Solar Dynamics Observatory to derive the decay rate of total unsigned magnetic flux for 910 ephemeral and active regions (ARs) observed between 2010 and
Externí odkaz:
http://arxiv.org/abs/2303.01321
Using the data on magnetic field maps and continuum intensity for Solar Cycles 23 and 24, we explored 100 active regions (ARs) that produced M5.0 or stronger flares. We focus on the presence/absence of the emergence of magnetic flux in these ARs 2-3
Externí odkaz:
http://arxiv.org/abs/2105.03886
Autor:
Xu, Haiqing, Liu, Suo, Su, Jiangtao, Deng, Yuanyong, Plotnikov, Andrei, Bai, Xianyong, Chen, Jie, Yang, Xiao, Guo, Jingjing, Wang, Xiaofan, Song, Yongliang
longitudinal magnetic field often suffers the saturation effect in strong magnetic field region when the measurement performs in a single-wavelength point and linear calibration is adopted. In this study, we develop a method that can judge the thresh
Externí odkaz:
http://arxiv.org/abs/2009.03597
Autor:
Plotnikov, Andrei, Kutsenko, Alexander, Yang, Shanbin, Xu, Haiqing, Bai, Xianyong, Zhang, Hongqi, Kuzanyan, Kirill
Publikováno v:
Solar Physics 296 (2021) 165
The weak-field approximation implying linear relationship between Stokes $V/I$ and longitudinal magnetic field, $B_{\Vert}$, often suffers from saturation observed in strong magnetic field regions such as sunspot umbra. In this work, we intend to imp
Externí odkaz:
http://arxiv.org/abs/1904.07081
Akademický článek
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Akademický článek
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Publikováno v:
AIP Conference Proceedings; 2024, Vol. 3021 Issue 1, p1-7, 7p
Autor:
Plotnikov, Andrei1
Publikováno v:
Revista Gestão & Tecnologia. jul-set 2022, Vol. 22 Issue 3, p7-49. 43p.