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Table 8
Mean properties of the low (z < 0) and high (z ≥ 0.6) redshift SNe Ia samples with matching photometric parameter distribution.
| z < 0.6 | z ≥ 0.6 | |
|---|---|---|
| Nb spec | 14 | 19 |
| ⟨z⟩ | 0.49 ± 0.03 | 0.73 ± 0.02 |
| ⟨Φ⟩ | 0.2 ± 0.7 | 0.1 ± 0.5 |
| ⟨c⟩ | − 0.073 ± 0.011 | − 0.087 ± 0.010 |
| ⟨s⟩ | 1.017 ± 0.013 | 1.015 ± 0.018 |
 |
23.824 ± 0.042 | 23.792 ± 0.030 |
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