Astrophysical: Radiative transfer

  • Publication
    Model Photospheres for Late-Type Stars from the Inversion of High-Resolution Spectroscopic Observations: Groombridge 1830 and ɛ Eridani
    An inversion technique to recover LTE one-dimensional model photospheres for late-type stars, which was previously applied to the Sun by Allende Prieto et al...
  • Publication
    Model Photospheres for Late-Type Stars from the Inversion of High-Resolution Spectroscopic Observations: The Sun
    An inversion technique has been developed to recover LTE one-dimensional model photospheres for late-type stars from very high resolution, high signal-to-noise...
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    Modeling the scattering polarization of the solar Ca I 4227 Å line with angle-dependent partial frequency redistribution
    Context. The correct modeling of the scattering polarization signals observed in several strong resonance lines requires taking partial frequency redistribution...
  • Publication
    MOLPOP-CEP: an exact, fast code for multi-level systems
    We present MOLPOP-CEP, a universal line transfer code that allows the exact calculation of multi-level line emission from a slab with variable physical...
  • Publication
    Multidimensional energy transfer by radiation in the solar atmosphere
    Both linear and nonlinear analysis are used to gain a better understanding of the effects of multi-dimensional transfer of energy by radiation in spatially...
  • Publication
    Multidimensional radiative transfer in stratified atmospheres
    Energy transport by radiation is an important contribution to the energy budget in stellar atmospheric structures. In this paper, radiative relaxation of small...
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    Multidimensional radiative transfer in stratified atmospheres. IV - Radiative cooling by LTE and non-LTE spectral lines
    The question of efficiency of radiative energy losses in spectral lines is addressed. In a semi-infinite atmosphere with constant temperature, the total...
  • Publication
    Multidimensional radiative transfer in stratified atmospheres. VI - Radiative instabilities
    The possibility that radiative instabilities in stellar atmospheres are driven by transfer of energy processes between stellar gas and the radiation field is...
  • Publication
    Multidimensional radiative transfer with multilevel atoms. 1: ALI method with preconditioning of the rate equations
    We combine a number of powerful mathematical techniques to produce an effective method for treating multidimensional radiative transfer problems in complex...