Extinction, scattering and asymmetry grids of clouds and hazes for exoplanet science.
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New Update: Addition of the Qext, Qscat and g parameter for water ice. The g parameter grid for SiO was also replaced by a more optimized version. This repository gathers grids of aerosols extinction extinction, scattering extinction and asymmetry parameters for use in exoplanet atmospheric retrieval (or proto-planetary disks). The grids spans particle radii from 1 nanometer to 30 microns. They are designed and validated for JWST high information content datasets, see Voyer & Cangeat (2026). These grids are meant to be used easely in any framework but already compatible with the TauREx retrieval code through the new plugin TauREx-PCQ (https://github.com/groningen-exoatmospheres/taurex-PCQ/). The following species are already available : -Mg2SiO4 amorph glass -MgSiO3 amorph glass -MgSiO3 amorph sol-gel -SiO2 alpha -SiO2 amorph -SiO -Titan tholins -Water ce If you use any of this data in your research please cite Voyer & Changeat (2026). For any inquiries please contact mael.voyer@u-paris.fr.
