Magnetic field and kinetic helicity evolution in simulations of interacting disk galaxies

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Table 2.

Overview of varied simulation parameters and minimum distances between galaxy centers.

Group	Sim. No.	Parameters [° ]			Minimum distance [kpc]

		i₁	i₂	α_b	1^st encounter	2^nd encounter	3^rd encounter
0	1	90	90	0	0.00	0.00	6.44
	2	90	90	15	7.41	0.00	0.41
	3	90	90	20	10.88	2.06	0.18
	4	90	90	25	14.27	1.79	2.32
	5	90	90	30	18.80	2.67	3.04
	6	90	90	45	31.33	7.74	0.00

I	7	90	135	0	1.69	1.16	2.23
	8	90	135	15	7.15	0.00	2.29
	9	90	135	30	18.15	2.83	–
	10	90	135	45	30.95	–	–
II	11	90	0	0	1.40	3.17	0.00
	12	90	0	15	7.33	0.00	–
	13	90	0	30	18.32	0.00	–
	14	90	0	45	31.29	–	–
III	15	0	0	0	0.57	1.62	0.82
	16	0	0	15	7.37	0.86	0.18
	17	0	0	30	18.42	2.83	–
	18	0	0	45	31.11	7.64	2.44
IV	19	67.5	112.5	0	0.10	0.00	1.32
	20	67.5	112.5	15	6.26	0.00	0.84
	21	67.5	112.5	30	14.41	6.68	–
	22	67.5	112.5	45	24.12	–	–
V	23	45	135	0	4.55	5.49	1.12
	24	45	135	15	6.86	0.00	0.50
	25	45	135	30	7.36	2.14	2.00
	26	45	135	45	12.43	0.00	–

Notes. The parameters are the inclination angles i₁ and i₂ of the disk’s rotation axes measured with respect to their initial relative velocity V_rel, and the angle α_b defined by sin α_b = b/d_sep, 0, where b is the impact parameter and d_sep, 0 the initial separation of the two disks. Dashes correspond to missing data in the case of simulations that were not evolved long enough to undergo more than one or two encounters.

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