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Related papers: How the IMF $\mathit{B}_{y}$ Induces a Local $\mat…

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We used the Lyon-Fedder-Mobarry global magnetohydrodynamics model to study the effects of the interplanetary magnetic field (IMF) IMF $\mathit{B}_{y}$ component on the coupling between the solar wind and magnetosphere-ionosphere system.…

Space Physics · Physics 2016-06-06 P. Tenfjord , N. Østgaard , K. Snekvik , K. M. Laundal , J. P. Reistad , S. Haaland , S. E. Milan

The most important parameter in the coupling between solar wind and geomagnetic activity is the $B_z$-component of the interplanetary magnetic field (IMF). However, recent studies have shown that IMF $B_y$ is an additional, independent…

Space Physics · Physics 2019-05-29 Lauri Holappa , Nat Gopalswamy , Kalevi Mursula

We present a follow up study of the sensitivity of the Earth's magnetosphere to solar wind activity using a particles-in-cell model [Baraka and Ben Jaffel, 2007], but here during northward IMF. The formation of the magnetospheric cavity and…

Space Physics · Physics 2011-01-06 Suleiman Baraka , Lotfi Ben-Jaffel

The interaction of the solar wind with the Earth's magnetic field produces geomagnetic activity, which is critically dependent on the orientation of the interplanetary magnetic field (IMF). Most solar wind coupling functions quantify this…

Earth and Planetary Astrophysics · Physics 2018-05-29 Lauri Holappa , Kalevi Mursula

We analyze the response of different ionospheric equivalent current modes to variations in the interplanetary magnetic field (IMF) components By and Bz. Each mode comprises a fixed spatial pattern whose amplitude varies in time, identified…

Space Physics · Physics 2021-08-04 R. M. Shore , M. P. Freeman , J. W. Gjerloev

We test and compare a number of existing models predicting the location of magnetic reconnection at Earth's dayside magnetopause for various solar wind conditions. We employ robust image processing techniques to determine the locations…

Space Physics · Physics 2015-04-24 C. M. Komar , R. L. Fermo , P. A. Cassak

Three-dimensional global magnetohydrodynamic simulations of the solar wind - magnetosphere - ionosphere system are carried out to explore the dependence of the magnetospheric reconnection voltage, the ionospheric transpolar potential, and…

Solar and Stellar Astrophysics · Physics 2009-04-07 XIONG Ming , PENG Zhong , HU Youqiu , ZHENG Huinan

We present an analysis of local properties of magnetic reconnection at the dayside magnetopause for various interplanetary magnetic field (IMF) orientations in global magnetospheric simulations. This has heretofore not been practical…

Space Physics · Physics 2016-07-27 Colin M. Komar , Paul A. Cassak

Deviations of the interplanetary magnetic field (IMF) from Parker's model are frequently observed in the heliosphere at different distances r from the Sun. Usually, it is supposed that the IMF behavior corresponds to Parker's model overall,…

Space Physics · Physics 2012-12-06 Olga Khabarova , Vladimir Obridko

Mars lacks a global intrinsic dipole magnetic field, but its interaction with the solar wind generates a global induced magnetosphere. Until now, most studies have relied on single-spacecraft measurements, which could not simultaneously…

It is known that the magnetic field of the Earth's closed magnetosphere can be highly displaced from the quiet-day configuration when interacting with the interplanetary magnetic field (IMF), an asymmetry largely controlled by the dawn-dusk…

The impact of high-speed jets -- dynamic pressure enhancements in the magnetosheath -- on the Earth's magnetopause has been observed to trigger local magnetic reconnection. We perform a three-dimensional hybrid simulation to study the…

Space Physics · Physics 2024-06-19 J. Ng , L. -J. Chen , Y. Omelchenko

A detailed investigation was carried out to understand a prolonged (~44 hours) weakly southward interplanetary magnetic field (IMF-Bz) condition during May 02--04, 1998. In-situ observations, during the period, showed the passage of an…

Solar and Stellar Astrophysics · Physics 2016-06-22 Susanta Kumar Bisoi , D. Chakrabarty , P. Janardhan , R. G. Rastogi , A. Yoshikawa , K. Fujiki , M. Tokumaru , Y. Yan

This work is directed to explore the efficacy of strong and consistent correlations between the $\Delta$X component of magnetic field at two equatorial/low-latitude stations at nearly antipodal locations during geomagnetic storms. The…

Space Physics · Physics 2023-02-02 Sumanjit Chakraborty , D. Chakrabarty

The magnetic disturbances are associated with electric currents as it is well checked at laboratory room scales and described by the Maxwell's equations of electromagnetic field. The analysis of spacecraft observations for more than a…

Space Physics · Physics 2007-05-23 Eugene Savov

Results of the analysis of spacecraft measurements at 1-5.4 AU are presented within the scope of the large-scale interplanetary magnetic field (IMF) structure investigation. The work is focused on revealing of the radial IMF component (Br)…

Space Physics · Physics 2015-06-15 Olga V. Khabarova

In the exploration of global-scale features of the Earth's aurora, little attention has been given to the radial component of the Interplanetary Magnetic Field (IMF). This study investigates the global auroral response in both hemispheres…

Under quasi-radial interplanetary magnetic fields (IMF), foreshock turbulence can have an impact on the magnetosheath and cusps depending on the location of the quasi-parallel shock. We perform three-dimensional simulations of Earth's…

Space Physics · Physics 2022-12-07 J. Ng , L. J. Chen , Y. Omelchenko , Y. Zhou , B. Lavraud

The current work investigates the Venusian solar-wind-induced magnetosphere at a high spatial resolution using all Venus Express (VEX) magnetic observations through an unbiased statistical method. We first evaluate the predictability of the…

Space Physics · Physics 2021-12-20 Maosheng He , Joachim Vogt , Eduard Dubinin , Tielong Zhang , Zhaojin Rong

This study investigates the modulation of particle fluxes at the Earths surface influenced by the intensity and orientation of the Interplanetary magnetic field (IMF) carried by the Coronal Mass Ejecta (ICME). We examine how IMF and its Bz…

Space Physics · Physics 2024-06-25 A. Chilingarian , T. Karapetyan , B. Sargsyan , K. Asatryan , G. Gabaryan
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