CLASS_GWB: robust modeling of the astrophysical gravitational wave background anisotropies

Gravitational radiation offers a unique possibility to study the large-scale structure of Universe, gravitational wave sources and propagation in completely novel way. Given that maps contain wealth astrophysical cosmological information, interpreting this signal requires non-trivial multidisciplinary approach. In work we present complete computation produced by compact object mergers accounting for detailed modelling perturbations. We develop CLASS_GWB code, which allows anisotropies background, source detector properties, as well effects propagation. apply our numerical tools robustly compute angular power spectrum background generated LIGO-Virgo frequency band. The end-to-end theoretical framework can be easily applied different detectors other bands. Moreover, same used sky made using resolved events.