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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 8.

DESI, DESI-II and approximated LSST-WFD footprints. The numbers in the legend refer to the areas inside DESI(-II) and LSST-WFD that are observable by both sites in a single night. The total footprint overlaps with LSST-WFD are 9000 deg2 for DESI and 5000 deg2 for DESI-II.

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