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Observations and Interpretation of Rotational Properties of Polar Coronal Holes Based on SDO Data
Tekijät: Smirnova VV, Riehokainen A, Korol'kova OA, Zhivanovich I
Kustantaja: MAIK NAUKA/INTERPERIODICA/SPRINGER
Julkaisuvuosi: 2020
Journal: Geomagnetism and Aeronomy
Tietokannassa oleva lehden nimi: GEOMAGNETISM AND AERONOMY
Lehden akronyymi: GEOMAGN AERONOMY+
Vuosikerta: 60
Numero: 8
Aloitussivu: 1050
Lopetussivu: 1056
Sivujen määrä: 7
ISSN: 0016-7932
eISSN: 1555-645X
DOI: https://doi.org/10.1134/S0016793220080228
Tiivistelmä
The rotational effect observed in variations of areas of polar coronal holes with a period of 14 days is analyzed with SDO data by using Coronal Hole Identification with the Multithermal Emission Recognition Algorithm (CHIMERA) algorithm and the algorithm for the identification of solar structures from neural networks. A physical interpretation of the observed rotational effect associated with the asymmetry of coronal holes is proposed.
The rotational effect observed in variations of areas of polar coronal holes with a period of 14 days is analyzed with SDO data by using Coronal Hole Identification with the Multithermal Emission Recognition Algorithm (CHIMERA) algorithm and the algorithm for the identification of solar structures from neural networks. A physical interpretation of the observed rotational effect associated with the asymmetry of coronal holes is proposed.
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