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Joint X-ray and SZ data fitting code for galaxy clusters in Python

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JoXSZ

Joint X-ray and SZ fitting code for galaxy clusters in Python

Castagna Fabio, Andreon Stefano

JoXSZ is a Python program that allows to jointly fit the thermodynamic profiles of galaxy clusters from both SZ and X-ray data using MCMC. JoXSZ is the enhanced version of preprofit, which only fits SZ data.

As an example, we show the application of JoXSZ on the high-redshift cluster of galaxies CL J1226.9+3332 (z = 0.89).

Beam data and transfer function data come from the NIKA data release, while X-ray data come from Chandra observations, reduced following the standard procedures (e.g. Andreon et al. 2019).

This version of the code is compatible with both version 3 and version 2 of the emcee package. If you are looking for the older version of the code, the one presented in the paper linked below, refer to the paper branch.

For more details, see Castagna and Andreon, 2020.

Requirements

JoXSZ requires the following:

Credits

preprofit See Castagna and Andreon 2019 and GitHub.

MBProj2 See Sanders et al. 2018 and GitHub.

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Joint X-ray and SZ data fitting code for galaxy clusters in Python

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