Short python notebook with main calculations for paper "Unbinned Likelihood Analysis for X-ray Polarization" by Denis González-Caniulef, Ilaria Caiazzo, and Jeremy Heyl
https://arxiv.org/abs/2204.00140
The various calibration files (fits, arf, rmf) and spline.py come from the IXPEObsSim repository: https://github.com/lucabaldini/ixpeobssim