Parameter space of the ratio of radiative force to gravity ζ dependent on cluster model C, molecular cloud model M, and the different dust models D1, D2 , D3 , D4 , and D5 . The ratios are calculated for a distance of r = 0.1 pc from the cluster center. The bottom right panel is for the radially dependent temperature distribution shown in the left panel of Fig. 10 while the other panels are for a constant dust temperature of T_d = 20 K. We note that this image is smoothed when reading it with MacOS preview.