The NANOGrav 15 yr Dataset: Modified Functional Forms for Profile-Evolution Time Delays in Pulsar Timing Models

arXiv:2610.10431 · astro-ph.HE · Submitted 2026-10-07 · Read on arXiv

astro-ph.HE

Submitted: 2026-10-07

Updated: 2026-10-07

Code: https://github.com/sophiasosafiscella/LIFD

Terminology

• Degeneracy — 7× in this paper · explained in 3 episodes
• Frequency Dependence — 6× in this paper · explained in 2 episodes
• Inverse-Frequency Dependent — 2× in this paper
• NSF Astronomy and Astrophysics Grant — 2× in this paper
• Accuracy — 1× in this paper · explained in 1 episode
• Benchmark — 1× in this paper · explained in 2 episodes
• Core — 1× in this paper · explained in 2 episodes
• Legendre Inverse-Frequency Dependent — 1× in this paper

Sources

• The NANOGrav 12.5-year Data Set: Chromatic Noise Characterization & Mitigation with Time-Domain Kernels

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