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Differentiable spectral modelling of exoplanets/brown dwarfs/M dwarfs using JAX! Read the docs 🐕 or deepwiki for ExoJAX.
In short, ExoJAX allows you to do gradient based optimizations, HMC-NUTS, and SVI using the latest database.
ExoJAX Classes
- Databases: *db (mdb: molecular, adb: atomic, cdb: continuum, pdb: particulates)
- Opacity Calculators: opa (Voigt profile, CIA, Mie, Rayleigh scattering etc)
- Atmospheric Radiative Transfer: art (emission w, w/o scattering, reflection, transmission)
- Spectral Operator: sop (planet rotation, instrumental broadening, photometry)
- Atmospheric Microphysics: amp (clouds etc)
🐈 Copyright 2020-2025 ExoJAX contributors. ExoJAX is publicly available under the MIT license.