Impact of accretion-induced chemically homogeneous evolution on stellar and compact binary populations

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Volume 695 (March 2025)

A&A, 695 (2025) A221

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Table A1

Percentages of BBHs, BHNSs, and BNSs systems, mergers, and CHE binaries for all the models as a function of the metallicity.

			BBH			BHNS			BNS

Z	name	P_CHE	P_cob	P_merg	$P_{merg}^{CHE}$ ${{\rm{P}}_{{\rm{merg }}}^{{\rm{CHE}}}}$	P_cob	P_merg	$P_{merg}^{CHE}$ ${{\rm{P}}_{{\rm{merg }}}^{{\rm{CHE}}}}$	P_cob	P_merg	$P_{merg}^{CHE}$ ${\left( {{\rm{P}}_{{\rm{merg }}}^{{\rm{CHE}}}} \right)}$
	NoCHEzams	0	3.77	0.55	0	0.84	0.24	0	0.24	0.2	0
	NoCHEpreMS	0	3.77	0.54	0	0.84	0.24	0	0.24	0.2	0
0.001	CHE10zams	14.8	5.22	0.26	20.28	5.62	0.12	10.32	0.09	0.07	0
	CHE10preMS	14.69	5.24	0.26	21.01	5.56	0.12	10.25	0.09	0.07	0
	CHE20zams	4.24	4.68	0.25	15.81	1.39	0.18	0.94	0.24	0.21	0
	CHE20preMS	4.29	4.68	0.25	16.38	1.40	0.18	0.94	0.24	0.2	0

	NoCHEzams	0	3.81	0.83	0	0.9	0.33	0	0.4	0.2	0
	NoCHEpreMS	0	3.81	0.82	0	0.89	0.33	0	0.4	0.21	0
	CHE10zams	14.92	5.47	0.07	14.66	4.55	0.04	18.28	0.12	0.05	0
0.004	CHE10preMS	14.31	5.48	0.07	15.34	4.39	0.04	17.99	0.12	0.05	0
	CHE20zams	5.84	4.88	0.07	6.96	1.79	0.15	1.75	0.38	0.19	0
	CHE20preMS	5.9	4.89	0.07	7.29	1.81	0.14	1.69	0.38	0.2	0

From left to right column: metallicity (Z), name of the model, percentage of binaries that experience CHE in the simulation set (P_CHE), percentage of compact object binaries produced in the simulation set (P_cob), percentage of compact object binary mergers produced in the simulation set (P_merg), and percentage of compact object binary mergers that evolve through CHE among all mergers of the simulation set ( $P_{merg}^{CHE}$ ${\rm{P}}_{{\rm{merg }}}^{{\rm{CHE}}}$ ). The latter three columns are repeated respectively for BBHs, BHNSs, and BNSs.

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