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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 10.

A faint SN Ia spectrum at maximum light (bold colored lines), with added noise (thin colored lines) as simulated by DESI’s SpecSim for a single dark exposure. Binned in 15 Å. SNR15 Å = 3.0, total SNR = 52.

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