FG21sim: v0.9.0

• Significantly improve the modeling of radio halos.

  • A more reasonable estimation of the turbulence region size (relating with the stripping radius of the in-falling sub-cluster).
  • Improved calculation of merger-induced turbulence velocity dispersion (i.e., Mach number) and acceleration velocity.
  • More configuration parameters to fine-tune the correlation assumptions in the model.
  • Fine-tuned parameters against observations and previous works (observational correlations, simulation/predictions).

• A much better implementation of the halo modeling, including many major updates to the code.

• Many cleanups and minor improvements.

• Update the documentation.

• Remove the obsolete code for point sources.

This is a very significant update over the last v0.7.2, so skip 0.8.x.