Astrophysical: Magnetic fields

  • Publication
    Helioseismic holography of simulated sunspots: dependence of the travel time on magnetic field strength and Wilson depression
    Improving methods for determining the subsurface structure of sunspots from their seismic signature requires a better understanding of the interaction of waves...
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    Hierarchical analysis of the quiet-Sun magnetism
    Standard statistical analysis of the magnetic properties of the quiet Sun rely on simple histograms of quantities inferred from maximum-likelihood estimations...
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    High frequency generation in the corona: Resonant cavities
    Aims: Null points are prominent magnetic field singularities in which the magnetic field strength strongly decreases in very small spatial scales. Around null...
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    High Resolution Spectropolarimetry and Magnetography
    From an observational point of view, magnetic field leaves its imprint, via Zeeman effect, on spectral line splitting and the induced wavelength dependence of...
  • Publication
    High speed magnetized flows in the quiet Sun
    Context. We analyzed spectropolarimetric data recorded with Hinode/SP in quiet-Sun regions located at the disk center. We found single-lobed Stokes V profiles...
  • Publication
    High-frequency waves in the corona due to null points
    This work aims to understand the behavior of non-linear waves in the vicinity of a coronal null point. In previous works we have shown that high-frequency waves...
  • Publication
    High-resolution Ground-based European Solar Physics
    This communication reviews some of the most challenging topics in high-resolution ground-based Solar Physics. The most powerful European facilities are...
  • Publication
    High-resolution imaging and near-infrared spectroscopy of penumbral decay
    Aims: Combining high-resolution spectropolarimetric and imaging data is key to understanding the decay process of sunspots as it allows us to scrutinize the...
  • Publication
    High-resolution observations of recurrent jets from an arch filament system
    Context. Solar jets are collimated plasma ejections along magnetic field lines observed in hot (extreme-ultraviolet (EUV) jets) and cool (chromospheric surges)...