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Table 2

Properties of the disk.

Stars M Mstar hd zd N ϵ Q

Disk 5.6 × 1010 7.47 × 103 3.5 0.7 7.5 × 106 0.044 2

Notes. M: disk mass in M. Mstar: mass of the disk particle in M. hd: disk scale length in kpc. zd: initial disk thickness. N: number of particles. ϵ: softening length in kpc. Q: Toomre parameter.

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