Addressing leakage and mode suppression in angular power spectrum estimation for gravitational-wave backgrounds using pulsar timing arrays

arXiv:2602.20075 · gr-qc, astro-ph.CO · Submitted 2026-02-23 · Read on arXiv

gr-qc, astro-ph.CO

Submitted: 2026-02-23

Updated: 2026-09-25

Comments: 23 pages, 14 figures, 2 tables

Journal ref: Phys. Rev. D 114, 063048 (2026)

DOI: 10.1103/cm48-4k18

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Fisher Information — 15× in this paper · explained in 3 episodes
• Anisotropy — 9× in this paper · explained in 3 episodes
• Regularization — 7× in this paper · explained in 3 episodes
• pulsar timing arrays — 7× in this paper · explained in 2 episodes
• Accuracy — 4× in this paper · explained in 1 episode
• Consistency — 1× in this paper · explained in 3 episodes
• Forward modeling — 1× in this paper · explained in 2 episodes

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