Background

Here we provide some background on the physics of spectral line observations, the Bayesian reconstruction algorithm, and their numerical implementation in pomme. All of this is based on our paper De Ceuster et. al (2024). Please cite the paper if you use any of this information.

Contents:

• Forward problem
  • Spectral line formation
    • Physical model
    • Numerical implementation
      • Line optical depth
      • Line radiative transfer
  • Observation
• Inverse problem
  • Reproduction loss / likelihood
  • Regularisation loss / prior