Light curve and spectral modelling of the type IIb SN 2020acat - Evidence for a strong Ni bubble effect on the diffusion time

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Volume 683 (March 2024)

A&A, 683 (2024) A241

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Table 4

Main set of ejecta models.

Model	M_ZAMS (M_⊙)	M_ej (M_⊙)	E_ej (B)	Radial mixing	Expansion	M_H (M_⊙)	X_H
M13-m-s	13	2.1	0.82	Medium	Strong	0.027	0.54
M15-m-s	15	2.6	0.92	Medium	Strong	0.027	0.54
M17-w-n	17	3.5	1.0	Weak	None	0.027	0.54
M17-m-n	17	3.5	1.0	Medium	None	0.027	0.54
M17-s-n	17	3.5	1.0	Strong	None	0.027	0.54
M17-m-m	17	3.5	1.0	Medium	Medium	0.027	0.54
M17-w-s	17	3.5	1.0	Weak	Strong	0.027	0.54
M17-m-s	17	3.5	1.0	Medium	Strong	0.027	0.54
M17-s-s	17	3.5	1.0	Strong	Strong	0.027	0.54
M17-s-s-H-l	17	3.5	0.95	Medium	Strong	0.0135	0.54
M17-s-s-H-h	17	3.6	1.1	Medium	Strong	0.054	0.54
M17-s-s-XH-l	17	3.6	1.1	Medium	Strong	0.027	0.27
M19-m-s	19	4.5	1.3	Medium	Strong	0.027	0.54
M21-m-s	21	5.4	1.4	Medium	Strong	0.027	0.54

Notes. For each model, we list the initial mass, the ejecta mass and (kinetic) energy, the radial mixing and the expansion of the radioactive material, and the mass and mass fraction of hydrogen in the hydrogen envelope.

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