Astrofísicas: Campos magnéticos

  • Publicación
    Multiline Stokes Analysis for the Study of Small-Scale Solar Magnetic Fields
    Combining observations of spectral lines with different Zeeman sensitivities, it is possible to infer some properties of the small-scale solar magnetic fields...
  • Publicación
    Multiline Zeeman signatures through line addition
    Context: To obtain a significant Zeeman signature in the polarised spectra of a magnetic star, we usually “add” the contributions of numerous spectral lines...
  • Publicación
    Multipole rates for atomic polarization studies: the case of complex atoms in non-spherically symmetric states colliding with atomic hydrogen
    Context: Interpretation of linearly polarized parameters of the lines of complex atoms for the second solar spectrum needs a lot of collisional coefficients...
  • Publicación
    Multipole rates for atomic polarization studies: the case of complex atoms in non-spherically symmetric states colliding with atomic hydrogen.
    Interpretation of linearly polarized parameters of the spectral lines of the second solar spectrum permits to obtain information about the magnetic field vector...
  • Publicación
    Multiwavelength monitoring of BD +53°2790, the optical counterpart to 4U 2206+54
    We present the results of our long-term monitoring of BD +53°2790, the optical counterpart to the X-ray source 4U 2206+54. Unlike previous studies that classify...
  • Publicación
    Naked emergence of an anti-Hale active region. I. Overall evolution and magnetic properties
    Aims: In order to understand the emergence of the active region, we investigate the emerging process and magnetic properties of a naked anti-Hale active region...
  • Publicación
    Near-infrared polarimetric adaptive optics observations of NGC 1068: a torus created by a hydromagnetic outflow wind
    We present J' and K' imaging linear polarimetric adaptive optics observations of NGC 1068 using MMT-Pol on the 6.5-m MMT. These observations allow us to study...
  • Publicación
    Near-IR internetwork spectro-polarimetry at different heliocentric angles
    Aims:The analysis of near infrared spectropolarimetric data at the internetwork in different regions on the solar surface could offer constraints that reject...
  • Publicación
    Net Circular Polarization in Magnetic Spectral Lines Produced by Velocity Gradients: Some Analytical Results
    The net circular polarization in a spectral line due to the combined effect of magnetic fields and velocity gradients is analyzed for a few schematic situations...