imPT

---

Fast estimator for Lensing Perturbation (impt) on astronomical images using the auto differentiating function of jax. The code need to be combined with estimator (e.g. FPFS) compressing image to catalog. It is a simple code to infer shear from the catalog with correction for noise bias

---

Installation

For stable (old) version, which have not been updated:

pip install impt

For developers, please clone the repository:

git clone https://github.com/mr-superonion/imPT.git
pip install -e . --user

Summary

For the first version of imPT, we implement FPFS and use imPT to auto differentiate FPFS.