Astrophysical: Magnetic fields

  • Publication
    Magnetic field emergence in quiet Sun granules
    Aims:We describe a new form of small-scale magnetic flux emergence in the quiet Sun. This process seems to take vertical magnetic fields from subsurface layers...
  • Publication
    Magnetic field fluctuations in the shocked umbral chromosphere
    Context. Umbral chromospheric observations show the presence of magnetoacoustic shocks. Several recent studies have reported magnetic field fluctuations...
  • Publication
    Magnetic field inversions from Stokes profiles generated by MHD simulations
    We report tests of inversion methods applied to complex Stokes spectra generated by realistic MHD simulations. The average magnetic field strength of the...
  • Publication
    Magnetic field strength of active region filaments
    Aims: We study the vector magnetic field of a filament observed over a compact active region neutral line. Methods: Spectropolarimetric data acquired with TIP...
  • Publication
    Magnetic Field Structures and Turbulent Components in the Star-forming Molecular Clouds OMC-2 and OMC-3
    The SCUBA polarized 850 μm thermal emission data of the OMC-2 region in Orion A are added to and homogeneously reduced with data already available in the OMC-3...
  • Publication
    Magnetic Fields and the Outer Rotation Curve of M31
    Recent observations of the rotation curve of M31 show a rise of the outer part that cannot be understood in terms of standard dark matter models or...
  • Talk
    Magnetic fields and the outer rotation curve of M31
    Recent observations of the rotation curve of M31 show a rise of the outer part that cannot be understood in terms of standard dark matter models or...
  • Publication
    Magnetic fields in Galaxies
    Magnetic fields not only provide a basic tool for observing galaxies but constitute an important clue to interpret many dynamic processes taking place in them...
  • Publication
    Magnetic Fields in M Dwarfs: Rapid Magnetic Field Variability in EV Lacertae
    We report here our spectropolarimetric observations obtained using the CFHT Espadons high-resolution spectrograph of two M dwarf stars that standard models...