Astrofísicas: Campos magnéticos

  • Publicación
    Determination of the Coronal Density Stratification from the Observation of Harmonic Coronal Loop Oscillations
    The recent detection of multiple harmonic standing transverse oscillations in coronal loops by Verwichte et al. is of special importance, as it allows one to...
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    Determination of the Magnetic Field Vector via the Hanle and Zeeman Effects in the He I λ10830 Multiplet: Evidence for Nearly Vertical Magnetic Fields in a Polar Crown Prominence
    The magnetic field is the key physical quantity responsible for the formation, stability, and evolution of solar prominences (ribbons of cool dense gas embedded...
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    Determining the dynamics and magnetic fields in He I 10830 Å during a solar filament eruption
    Aims: We investigate the dynamics and magnetic properties of the plasma, including the line-of-sight velocity (LOS) and optical depth, as well as the vertical...
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    Diagnostic capabilities of spectropolarimetric observations for understanding solar phenomena. I. Zeeman-sensitive photospheric lines
    Future ground-based telescopes will expand our capabilities for simultaneous multi-line polarimetric observations in a wide range of wavelengths, from the near...
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    Diagnostic methods based on scattering polarization and the joint action of the Hanle and Zeeman effects
    Polarized light provides the most reliable source of information at our disposal for diagnosing the physical properties of astrophysical plasmas, including the...
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    Diagnostic potential of the Ca II 8542 Å line for solar filaments
    Aims: In this study we explore the diagnostic potential of the chromospheric Ca II line at 8542 Å for studying the magnetic and dynamic properties of solar...
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    Diagnostics for spectropolarimetry and magnetography
    An assessment on the capabilities of modern spectropolarimeters and magnetographs is in order since most of our astrophysical results rely upon the accuracy of...
  • Publicación
    Dichroic Masers Due to Radiation Anisotropy and the Influence of the Hanle Effect on the Circumstellar SiO Polarization
    The theory of the generation and transfer of polarized radiation, mainly developed for interpreting solar spectropolarimetric observations, allows us to...
  • Publicación
    Direct Imaging of Fine Structure in the Chromosphere of a Sunspot Umbra
    High-resolution imaging observations from the Hinode spacecraft in the Ca II H line are employed to study the dynamics of the chromosphere above a sunspot. We...