model.ClusterModel.default_fields

ClusterModel.default_fields = ['density', 'temperature', 'pressure', 'total_density', 'gravitational_potential', 'gravitational_field', 'total_mass', 'gas_mass', 'dark_matter_mass', 'dark_matter_density', 'stellar_density', 'stellar_mass']

The default included fields that can be accessed.