Tools for radiative transfer

Different tools for Non-LTE (NLTE) radiative transfer are available here. They describe modern numerical methods for solving radiative transfer equations. They can be used to construct new models.

Click on the following links to download the package source file and the user guide.

The codes are provided under the GNU General Public Licence (GPL) version 3 or any later version.

Contacts: Frédéric Paletou (frederic.paletou/at/univ-tlse3.fr) & Martine Chane-Yook (Martine.Chane-yook/at/ias.u-psud.fr)

• Numerical method for NLTE 1D radiative transfer in a case of a two-level atom : application to solar semi-infinite atmosphere

Authors : M. Chane-Yook & P. Gouttebroze

References : F. Paletou (CRAS,2001), G.B. Rybicki (A&A,1991)

Fortran files and documentation : source codes, README file (English, French), user guide (English, French) : see part I / chapter 1 / section 1.1

The codes are provided under the GNU General Public Licence (GPL) version 3 or any later version.

doi : 10.48326/idoc.medoc.radtransfer.1d-crd-ali-semiinf

• Numerical method for NLTE 1D radiative transfer in a case of a two-level atom : application to solar filament

Authors : M. Chane-Yook & P. Gouttebroze

References : F. Paletou (CRAS,2001), G.B. Rybicki (A&A,1991)

Fortran files and documentation : source codes, README file (English, French), user guide (English, French) : see part I / chapter 1 / section 1.2

The codes are provided under the GNU General Public Licence (GPL) version 3 or any later version.

doi : 10.48326/idoc.medoc.radtransfer.1d-crd-ali-filament

• Numerical method for NLTE 1D radiative transfer in a case of a two-level atom : application to solar prominence

Authors : M. Chane-Yook & P. Gouttebroze

References : F. Paletou (CRAS,2001), G.B. Rybicki (A&A,1991)

Fortran files and documentation : source codes, README file (English, French), user guide (English, French)  : see part I / chapter 1 / section 1.3

The codes are provided under the GNU General Public Licence (GPL) version 3 or any later version.

doi : 10.48326/idoc.medoc.radtransfer.1d-crd-ali-prominence

• H3CRD: Numerical method for NLTE 1D radiative transfer in a case of a multilevel atom with no background continuum : application to solar semi-infinite atmosphere

Authors : F. Paletou (IRAP)

References : L. Leger (PhD thesis,2008), F. Paletou (JQSRT,2007), F. Paletou (CRAS,2001), G.B. Rybicki (A&A,1991)

Fortran files and documentation : source codes, README file (English, French), user guide (English, French) : see part I / chapter 2 / section 2.3. The codes (originally written in Fortran 77) were rewritten in Fortran 90 by M. Chane-Yook.

The codes are provided under the GNU General Public Licence (GPL) version 3 or any later version.

doi : 10.48326/idoc.medoc.radtransfer.1d-crd-mali-semiinf

• Fast approximations for R_II-A redistribution function

Author : F. Paletou (IRAP)

Reference : P. Gouttebroze (A&A 160, 1986)

Python file and documentation : source code, README file