Normal or transitional? The evolution and properties of two type Ia supernovae in the Virgo cluster

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Table 3.

Physical properties from best-fit analysis of bolometric light curves of SN 2020nlb and SN 2020ue using using the analytical model.

	SN 2020ue	SN 2020nlb
MJD_expl (days)	58858.77 ± 0.58	59026.12 ± 0.56
MJD $_{peak}^{bolo}$ $Mathematical equation: $ _{\mathrm{peak}}^{\mathrm{bolo}} $$ (days)	58872.34 ± 0.10	59041.77 ± 0.10
$L_{peak}^{bolo}$ $Mathematical equation: $ L_{\mathrm{peak}}^{\mathrm{bolo}} $$ (10⁴² erg s⁻¹)	9.93 ± 0.18	9.96 ± 0.21
M_ej (M_⊙)	1.40 ± 0.06	1.70 ± 0.12
M_⁵⁶Ni (M_⊙)	0.40 ± 0.02	0.43 ± 0.03
K.E. (10⁵¹ erg)	1.20 ± 0.05	1.24 ± 0.04
k	0.08 ± 0.01	0.08 ± 0.01
k_γ	0.02 ± 0.01	0.03 ± 0.01

Notes. The values, k and k_γ, represent the optical and gamma-ray opacity (Valenti et al. 2008).

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