Measures of Variance on Windowed Gaussian Processes

2022/12/20 by Daeyoung Lee, Charles F. Gammie, Lee, Daeyoung +1 · 1 citation
Engineering · #Calibration and Measurement Techniques #FOS: Physical sciences #Instrumentation and Methods for Astrophysics (astro-ph.IM)

paper · pdf · doi:10.48550/arxiv.2212.10684

openalex publication_date 2022/12/20 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The variance and fractional variance on a fixed time window (variously known as "rms percent" or "modulation index") are commonly used to characterize the variability of astronomical sources. We summarize properties of this statistic for a Gaussian process.

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