Directional Tests of the Cosmic Distance Duality Relation using Pantheon+ and BAO

arXiv:2604.04436 · astro-ph.CO, astro-ph.GA · Submitted 2026-04-06 · Read on arXiv

astro-ph.CO, astro-ph.GA

Submitted: 2026-04-06

Updated: 2026-04-06

Terminology

• Anisotropy — 4× in this paper · explained in 4 episodes
• Calibration — 2× in this paper · explained in 7 episodes

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