Geomagnetic pulsations in 1–4 mHz frequency range (Pc5/Pi3) in the magnetotail at different levels of disturbances in the interplanetary medium

Nadezda Yagova; Olga Kozyreva; Nataliya Nosikova

doi:10.12737/szf-82202212

UDC 55

GEOMAGNETIC PULSATIONS IN 1–4 MHZ FREQUENCY RANGE (PC5/PI3) IN THE MAGNETOTAIL AT DIFFERENT LEVELS OF DISTURBANCES IN THE INTERPLANETARY MEDIUM Geomagnetic pulsations in 1–4 mHz frequency range (Pc5/Pi3) in the magnetotail at different levels of disturbances in the interplanetary medium

АА Аа

Published in Untitled · Volume 8, Issue 2 · Pages 84–92 · Rubric: 17th Annual Conference “Plasma Physics in the Solar System”. February 7–11, 2022, Space Research Institute RAS, Moscow, Russia

DOI: https://doi.org/10.12737/szf-82202212

Received: 03.03.2022 Accepted: 16.05.2022 Published: 30.06.2022 Language of publication: RUS

Authors

Nadezda Yagova

ORCID ResearcherID

Olga Kozyreva

ORCID

Nataliya Nosikova

Nadezda Yagova

Academic degree: candidate of physical and mathematical sciences

Schmidt Institute of Physics of the Earth RAS Russian Federation · Moscow

Geophysical Center of the Russian Academy of Sciences Russian Federation · Moscow

ORCID ResearcherID

Olga Kozyreva

Academic degree: doctor of physical and mathematical sciences

Schmidt Institute of Physics of the Earth, RAS Russian Federation · Moscow

ORCID

Nataliya Nosikova

Schmidt Institute of Physics of the Earth, RAS Russian Federation · Moscow

National Research Nuclear University “MEPhI” Russian Federation · Moscow

ABSTRACT

In this paper, we study parameters of geomagnetic pulsations in the 1–4 mHz frequency range (Pc5/Pi3) in the magnetotail, utilizing data obtained by Cluster satellites at different levels of fluctuations in the interplanetary magnetic field (IMF) and the solar wind dynamic pressure in 2016. Particular attention is given to the conditions of “zero” disturbance when amplitudes of fluctuations in the interplanetary medium are smaller compared to their typical values. Both under quiet and disturbed conditions, waves of different spatial scales are recorded, with the occurrence rate of large-scale waves increasing under undisturbed conditions. Amplitudes of the large-scale waves occurring in the magnetotail under low intensity of fluctuations outside the magnetosphere are from few tenths to a few nanoteslas (nT), and their power is approximately equal in longitudinal and transverse components. Presumably, these waves are magnetotail eigen-modes.

KEYWORDS

magnetosphere, geomagnetic pulsations, magnetotail

Funding

The work was financially supported by the Russian Foundation for Basic Research, project No. 20-05-00787.

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30. URL: https://cdaweb.gsfc.nasa.gov (data obrascheniya 20 fevralya 2022 g.).

31. URL: https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi (data obrascheniya 20 fevralya 2022 g.).

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GOST

Yagova N. V., Kozyreva O. V., Nosikova N. S. Geomagnetic pulsations in 1–4 mHz frequency range (Pc5/Pi3) in the magnetotail at different levels of disturbances in the interplanetary medium // . 2022. no. 2. pp. 84-92. DOI: https://doi.org/10.12737/szf-82202212. (Date of access 22.09.2026).

MLA

Nadezda Yagova, Kozyreva O. V., Nosikova N. S.. "Geomagnetic pulsations in 1–4 mHz frequency range (Pc5/Pi3) in the magnetotail at different levels of disturbances in the interplanetary medium." 8.2 (2022): 84-92. DOI: https://doi.org/10.12737/szf-82202212.

APA

Yagova N. V., Kozyreva O. V., Nosikova N. S. (2022). Geomagnetic pulsations in 1–4 mHz frequency range (Pc5/Pi3) in the magnetotail at different levels of disturbances in the interplanetary medium. , 8(2), 84-92. https://doi.org/10.12737/szf-82202212

Chicago

Nadezda Yagova, Kozyreva O. V., Nosikova N. S.. "Geomagnetic pulsations in 1–4 mHz frequency range (Pc5/Pi3) in the magnetotail at different levels of disturbances in the interplanetary medium." 8, no. 2 (2022): 84-92. https://doi.org/10.12737/szf-82202212.

WIKI

{{cite journal | author = Yagova N. V., Kozyreva O. V., Nosikova N. S. | title = Geomagnetic pulsations in 1–4 mHz frequency range (Pc5/Pi3) in the magnetotail at different levels of disturbances in the interplanetary medium | journal = | year = 2022 | volume = 8 | issue = 2 | pages = 84-92 | doi = 10.12737/szf-82202212 }}

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GEOMAGNETIC PULSATIONS IN 1–4 MHZ FREQUENCY RANGE (PC5/PI3) IN THE MAGNETOTAIL AT DIFFERENT LEVELS OF DISTURBANCES IN THE INTERPLANETARY MEDIUM Geomagnetic pulsations in 1–4 mHz frequency range (Pc5/Pi3) in the magnetotail at different levels of disturbances in the interplanetary medium

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