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Computational Astrophysics and Cosmology

Simulations, Data Analysis and Algorithms

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Table 1 Fitted powerlaw indices for the velocity and kinetic energy distributions of the escaping stars and for the binding energy distribution of the binary stars

From: On the reliability of N-body simulations

  α β
Velocity
 Plummer equal mass 2.5 ± 0.09 6.7 ± 1.02
 Plummer mass ratio 3.8 ± 0.16 4.4 ± 0.43
 Cold Plummer equal mass 2.6 ± 0.19 3.8 ± 0.28
 Cold Plummer mass ratio 3.4 ± 0.45 3.4 ± 0.19
Kinetic energy
 Plummer equal mass 0.9 ± 0.02 1.8 ± 0.04
 Plummer mass ratio 0.8 ± 0.02 1.6 ± 0.04
 Cold Plummer equal mass 0.99 ± 0.02 1.3 ± 0.03
 Cold Plummer mass ratio 0.98 ± 0.03 1.2 ± 0.02
Binding energy
 Plummer equal mass 4.31 ± 0.13  
 Plummer mass ratio 5.12 ± 0.32  
 Cold Plummer equal mass 2.37 ± 0.11  
 Cold Plummer mass ratio 2.38 ± 0.12  
  1. Note that we use equal intervals in logarithmic space.
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