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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 7.

Histogram of forecasted SNe Ia discovered in our simulations of Rubin’s high-activity WFD in the overlap region with DESI in 1 yr. Practically all SNe are well measured up to z = 0.35. The SNR values given here are defined to be the quadrature sum of all measurements of a single SN.

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