Table 4
Input parameters of SPH-CPI simulation of NGC 3447/NGC 3447A.
| Npart | a | p/a | r1 | r2 | v 1 | v 2 | M T | f gas | ||
| [kpc] | [kpc] | [kpc] | [km s-1] | [km s-1] | [1010M⊙] | |||||
|
|
||||||||||
| 80 000 | 376 | 1/3 | 505 | 505 | 18 | 18 | 20 | 0.1 | ||
Notes. Columns are as follows: (1) total number of initial (t = 0) particles, Ngas = NDM = Npart/2; (2) length of the semi-major axis of the halo; (3) peri-centric separation of the halos in units of the semi-major axis; (4) and (5) distances of the halo centres of mass from the centre of mass of the total system, (6) and (7) velocity moduli of the halo centres in the same frame; (8) total mass of the simulation; (9) initial gas fraction of each halo.
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