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astro-ph.SR2025
Beyond prewhitening: detection of gravity modes and their period spacings in slowly pulsating B stars using the multitaper F-test
Aarya A. Patil, Conny Aerts, Nikki Y. N. Wang +2
Gravity modes in main-sequence stars have traditionally been studied using a prewhitening approach, which iteratively identifies modes in the Fourier domain and subsequently tunes…
astro-ph.SR2024
Improving Harmonic Analysis using Multitapering: Precise frequency estimation of stellar oscillations using the harmonic F-test
Aarya A. Patil, Gwendolyn M. Eadie, Joshua S. Speagle +1
In Patil et. al 2024a, we developed a multitaper power spectrum estimation method, mtNUFFT, for analyzing time-series with quasi-regular spacing, and showed that it not only improv…