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Table 3

Designation and properties of the different simulations conducted in this work.

Parameter Simulation designation
(where different) wstd(r) a 4(r) a 8(r) a 27 528 529 29 wvr500 wvm50 wvm75 wb10 wb50 45 90 wee wβγ b Unit

μ c 1:6 1:4 1:8 1
ρ ICM d 10-28 10-27 5 × 10-28 5 × 10-29 10-29 g cm-3
v rel e 1000 500 km s-1
v mer f 100 50 75 km s-1
b g 30 10 50 kpc
γ h 0 (180) 0 (180) 0 (180) 45 90 90 90b ° (deg)
β h 0 90 90b ° (deg)
d i 100 kpc

Merger 6 4 8 mvm50 mvm75 mb10 mb50 45 90 mee mee n.A.
Large galaxy 1 1ρ27 1ρ528 1ρ529 1ρ29 1vi500 1β90 n.A.
Small galaxyj 6 4 8 6ρ27 6ρ528 6ρ529 6ρ29 6vi500 6γ45 6γ90 6γ90 6γ90 n.A.

Notes.

(a)

Retrograde partner simulation, i.e., with γ = 180° end with “r”, e.g. in 4r the two disk are rotating in opposite directions.

(b)

The galaxies in wβγ merge edge-on, both with ICM face-on.

(c)

μ, mass ratio between the two galaxies.

(d)

ρICM, density of the ICM in the simulation domain.

(e)

vrel, center of mass velocity of the merging galaxies relative to the ICM.

(f)

vmer, initial velocity of the galaxies relative to each other.

(g)

b, impact parameter of the merging galaxies.

(h)

β and γ, inclination angles to the orbital plane of the merger’s more resp. less massive galaxy.

(i)

d, initial separation of the galaxies.

(j)

In the last three rows, the merger simulation in vacuum (starting letter “m”) and the two single-galaxy simulations in ICM (“i”) are listed.

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