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Table 1.

Default parameters of the potentials and Amμse numerical integrators.

Isochrone (Hénon) potential Miyamoto-Nagai disc


MIs a σr Comment MD a b {σR, σz} Comment


 M kpc km s1  M kpc kpc km s1 warm:
1 × 1010 3/2 22.7 frozen, infinite extent 1.6 × 109 3/2 1/4 {4.2, 4.6} σ R or z 12 km s 1 $ \sigma_{R\ \mathrm{or}\ z} \simeq 12\,\mathrm{{km}}\,\mathrm{{s}}^{1} $
Barnes-Hut integrator Hermite (direct) integrator


Name N2b θc l[pc] Accuracy Name N2b l[pc] Mode Accuracy


BHTREE 16 or 32 0.50 125 quadrupolar PH4 2 10 openmp 4th order

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