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Table 1

Summary of 1D and 2D model properties.

Dim. Model name Characteristics Section
CMFGEN simulations

1D 1D-X1 Ekin = 1.2 × 1051 erg; Mej = 12.1M; M(56Ni) = 0.056 M 3.1

1D 1D-X2b Ekin = 1.3 × 1051 erg; Mej = 12.4M; M(56Ni) = 0.047 M 3.1
Presence of a 56Ni-rich shell at 4000 km s−1

1D 1D-X2B Ekin = 1.9 × 1051 erg; Mej = 12.4M; M(56Ni) = 0.054 M 6.3

LONG_POL simulations

2D 2D-X1-SCL0p5 Model 1D-X1 with a latitudinal density scaling; A = 0.5 3.2.15.1
2D 2D-X1-SCL4p0 Model 1D-X1 with a latitudinal density scaling; A = 4.0 3.2.15.1

2D 2D-X1-STR0p25 Model 1D-X1 with a latitudinal radial stretching; A = 0.25 3.2.25.2
2D 2D-X1-STR0p5 Model 1D-X1 with a latitudinal radial stretching; A = 0.5 3.2.25.2

2D 2D-X1-X2b Combination of models 1D-X1 and 1D-X2b 3.2.35.3
1D-X2b covers polar angles 0 to β1∕2 = 22.5 deg
1D-X1 covers polar angles 22.5 to 90 deg
Influence of variations in opening angle β1∕2 6.1
Influence of assumption of top/bottom symmetry 6.2

2D 2D-X1-X2B Combination of models 1D-X1 and 1D-X2B 6.3
1D-X2B covers polar angles 0 to β1∕2 = 22.5 deg
1D-X1 covers polar angles 22.5 to 90 deg

Notes. The first column gives the dimensionality of the simulation, 1D referring to the spherically-symmetric nonLTE time-dependent simulations with CMFGEN and 2D to the polarized axially-symmetric steady-state radiative transfer simulations with LONG_POL. The second column gives the model name. The third column provides some characteristics of each simulation. The rightmost column indicates in which section the corresponding simulation is discussed.All 2D simulations adopt mirror symmetry with respect to the equatorial plane unless otherwise stated.

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