ZTF SN Ia DR2
Open Access

Table 2.

Best-fitting parameters to the Gaussian mixture PDF of the stretch distribution.

Sample Full Over-dense Under-dense
μx1low −1.33 ± 0.20 −1.20 ± 0.20 −1.49 ± 0.25
σx1low 0.75 ± 0.13 0.83 ± 0.14 0.65 ± 0.17
μx1high 0.46 ± 0.11 0.59 ± 0.11 0.38 ± 0.10
σx1high 0.48 ± 0.07 0.36 ± 0.10 0.53 ± 0.07
r 0.53 ± 0.09 0.37 ± 0.09 0.68 ± 0.08

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