Parameter space for the CC models. The parameters CC size, , and CC mass, M^CC, constitute a matrix of 5 × 6 values. All circles mark the 30 simulations on orbit 1. The open circles indicate the 18 additional simulations on orbit 2. The arrows indicate the increase of CC-crossing time , and α- and β-values (see Sect. 3.4). The dashed line separates the CC models with β < 1 from the CC models with β > 1. CC_34 is an example of the nomenclature of the models. The first index is the row number which corresponds to a CC Plummer radius . The second index indicates the column synonymous to a CC mass M^CC.