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Browsing by Author "Vigeesh, G"

Browsing by Author "Vigeesh, G"

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  • First local helioseismic experiments with CO5 
    Steiner, O; Vigeesh, G; Krieger, L; Wedemeyer-Böhm, S; Schaffenberger, W; Freytag, B (WILEY-VCH Verlag GmbH & Co., 2007-03)
    With numerical experiments we explore the feasibility of using high frequency waves for probing the magnetic fields in the photosphere and the chromosphere of the Sun.We track a plane-parallel, monochromatic wave that ...
  • First Steps with CO5BOLD Using HLLMHD and PP Reconstruction. 
    Steiner, O; Rajaguru, S. P; Vigeesh, G; Steffen, M; Schaffenberger, W; Freytag, B (Societa Astronomica Italiana, 2013)
    We report on first experiences with real-life applications using the MHD-module of CO5BOLD together with the piecewise parabolic reconstruction scheme and present preliminary results of stellar magnetic models with Teff = ...
  • Numerical Simulation of Wave Propagation in Magnetic Network 
    Vigeesh, G; Hasan, S. S; Steiner, O (Cambridge University Press, 2009-03)
    We present 2-D numerical simulations of wave propagation in the magnetic network. The network is modelled as consisting of individual magnetic flux sheets located in intergranular lanes. They have a typical horizontal size ...
  • Stokes Diagnostics of Magneto-Acoustic Wave Propagation in the Magnetic Network on the Sun 
    Vigeesh, G; Steiner, O; Hasan, S. S (Springer, 2011-10)
    The solar atmosphere is magnetically structured and highly dynamic. Owing to the dynamic nature of the regions in which the magnetic structures exist, waves can be excited in them. Numerical investigations of wave propagation ...
  • Structure, dynamics and heating in magnetized regions of solar atmosphere 
    Vigeesh, G (Indian Institute of Astrophysics, 2010-01)
  • Three-dimensional simulations of magnetohydrodynamic waves in magnetized solar atmosphere 
    Vigeesh, G; Fedun, V; Hasan, S. S; Erdelyi, R (IOP Publishing, 2012-08-10)
    We present results of three-dimensional numerical simulations of magnetohydrodynamic (MHD) wave propagation in a solar magnetic flux tube. Our study aims at understanding the properties of a range of MHD wave modes generated ...
  • Wave propagation and energy transport in the magnetic network of the Sun 
    Vigeesh, G; Hasan, S. S; Steiner, O (European Southern Observatory, 2009-12)
    Aims. We investigate wave propagation and energy transport in magnetic elements, which are representatives of small scale magnetic flux concentrations in the magnetic network on the Sun. This is a continuation of earlier ...
  • Wave propagation in the magnetic network on the Sun 
    Hasan, S. S; Vigeesh, G; van Ballegooijen, A. A (Cambridge University Press, 2006)
    Hasan et al. (2005) have recently presented 2-D dynamical calculations on wave propagation in in the magnetic network of the Sun. The latter is idealized as consisting of non-potential flux tubes in the quiet solar ...

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