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  1. No Access

    Article

    Effect of Electron Pressure on the Grad–Shafranov Reconstruction of Interplanetary Coronal Mass Ejections

    We investigate the effect of electron pressure on the Grad–Shafranov (GS) reconstruction of Interplanetary Coronal Mass Ejection (ICME) structures. The GS method uses in situ magnetic field and plasma measurement...

    Qiang Hu, C. J. Farrugia, V. A. Osherovich, C. Möstl, A. Szabo… in Solar Physics (2013)

  2. No Access

    Article

    Deep Solar Activity Minimum 2007 – 2009: Solar Wind Properties and Major Effects on the Terrestrial Magnetosphere

    We discuss the temporal variations and frequency distributions of solar wind and interplanetary magnetic field parameters during the solar minimum of 2007 – 2009 from measurements returned by the IMPACT and PL...

    C. J. Farrugia, B. Harris, M. Leitner, C. Möstl, A. B. Galvin… in Solar Physics (2012)

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    Article

    The Solar Wind Quasi-Invariant Observed by STEREO A and B at Solar Minimum 2007 and Comparison with Two Other Minima

    The solar wind quasi-invariant (QI) is defined as the ratio of the solar wind magnetic energy density to the plasma kinetic energy density (i.e., the inverse square of the Alfvén Mach number). Previous work has f...

    M. Leitner, C. J. Farrugia, A. Galvin, K. D. C. Simunac, H. K. Biernat… in Solar Physics (2009)

  4. No Access

    Article

    The non-linear evolution of magnetic flux ropes: 3. effects of dissipation

    We study the evolution (expansion or oscillation) of cylindrically symmetric magnetic flux ropes when the energy dissipation is due to a drag force proportional to the product of the plasma density and the rad...

    C. J. Farrugia, V. A. Osherovich, L. F. Burlaga in Annales Geophysicae (1997)

  5. No Access

    Article

    The self-similar, non-linear evolution of rotating magnetic flux ropes

    We study, in the ideal MHD approximation, the non-linear evolution of cylindrical magnetic flux tubes differentially rotating about their symmetry axis. Our force balance consists of inertial terms, which incl...

    C. J. Farrugia, V. A. Osherovich, L. F. Burlaga in Annales Geophysicae (1995)

  6. No Access

    Article

    Cylindrical oscillations of force-free electromagnetic fields

    This paper is devoted to Force-Free Electromagnetic Oscillations in a constant magnetic field. A correction is made in the derivation of the basic equation. The paper confirms the predicted spectrum of frequen...

    V. A. Osherovich in Astrophysics and Space Science (1986)

  7. No Access

    Article

    A new magneto-hydrostatic theory of sunspots

    The structure of a stationary sunspot of circular shape is considered. Schluter-Temesvary theory, based on the ‘similarity assumption’ is criticized. It is shown that this theory does not describe the observed...

    V. A. Osherovich in Solar Physics (1982)

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    Article

    A unique method of constructing force-free magnetic fields

    V. A. Osherovich in Astrophysics (1975)