cosmology

Exploring the impact of systematic bias in type Ia supernova cosmology across diverse dark energy parametrizations

Aps.org·September 28, 2026

We investigate the impact of instrumental and astrophysical systematics on dark energy (DE) constraints from type Ia supernova (SN-Ia) observations. Using simulated datasets consistent with current SN-Ia measurements, we examine how photometric calibration, i…

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