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Testing ΛCDM versus Dynamical Dark Energy in 1 Yr: A DESI Spectroscopic Follow-up Program for Rubin Supernovae

  • Authors: Jannik Truong, Greg Aldering, Saul Perlmutter, David Rubin, David Schlegel

Jannik Truong et al 2026 The Astrophysical Journal 1009 .

  • Provider: AAS Journals

Caption: Figure 6.

Simulated light curve for a median SN Ia at z = 0.225, reflecting the (high-activity) WFD strategy to observe in pairs of filters every 3 days. These results are similar to other simulations, e.g., Figure 16 of (R. Kessler et al. 2019). Missing points reflect bright moon phases (affecting g, r, i predominantly), the possibility of an SN being missed due to chip gaps, and u and Y bands being excluded in our cosmology analysis. The numbers in the legend are the quadrature-summed signal-to-noise values per filter.

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