Astrofísicas: Transferencia radiativa

  • Publicación
    The transfer of polarized radiation in resonance lines with partial frequency redistribution, J-state interference, and arbitrary magnetic fields. A radiative transfer code and useful approximations
    Aims: We present the theoretical framework and numerical methods we have implemented to solve the problem of the generation and transfer of polarized radiation...
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    The transfer of resonance line polarization with partial frequency redistribution and J-state interference. Theoretical approach and numerical methods
    The linear polarization signals produced by scattering processes in strong resonance lines are rich in information on the magnetic and thermal structure of the...
  • Publicación
    The Transfer of Resonance Line Polarization with Partial Frequency Redistribution in the General Hanle–Zeeman Regime
    The spectral line polarization encodes a wealth of information about the thermal and magnetic properties of the solar atmosphere. Modeling the Stokes profiles...
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    The updated BOSZ synthetic stellar spectral library
    Context. The modeling of stellar spectra of flux standards observed by the Hubble and James Webb space telescopes requires a large synthetic spectral library...
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    The use of iteration factors for temperature correction in a stellar atmosphere when convective transport is present
    In a previous work (Paper I of this series), we presented a procedure for computing the temperature distribution in a stellar atmosphere under the constraint of...
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    The usefulness of analytic response functions
    Aims:We introduce analytical response functions and their main properties as an important diagnostic tool that help understand Stokes profile formation physics...
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    The Zeeman Effect in the G Band
    We investigate the possibility of measuring magnetic field strength in G-band bright points through the analysis of Zeeman polarization in molecular CH lines...
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    Theoretical formulation of Doppler redistribution in scattering polarization within the framework of the velocity-space density matrix formalism
    Within the framework of the density matrix theory for the generation and transfer of polarized radiation, velocity density matrix correlations represent an...
  • Publicación
    Three-dimensional modeling of chromospheric spectral lines in a simulated active region
    Context. Because of the complex physics that governs the formation of chromospheric lines, interpretation of solar chromospheric observations is difficult. The...