3 papers
astro-ph.IM2026
A Markov-Chain-Monte-Carlo-based Hybrid Noise Inference for Continuous Wavelet Power Spectra: with Applications to Solar and Stellar Oscillatory Signals
Song Feng, Lin Li, Ding Yuan
Detecting oscillations in solar and stellar time series is complicated by non-stationary red noise and evolving background emission. Methods based on detrending and AR(1)-based wav…
astro-ph.SR2026
Chromospheric resonator model for sunspot revealed by multi-height observation of umbral wave
Kartika Sangal, A. K. Srivastava, Libo Fu +3
Sunspots are transient, magnetically intense features that host oscillations linked to magnetohydrodynamic (MHD) waves. These waves may contribute to plasma heating and drive mass…
astro-ph.SR2026
Effect of Solar Flares on Decayless Kink Oscillations in Nearby Coronal Loops
Zhiyi Li, Valery M. Nakariakov, Ding Yuan +1
We present a statistical study of 130 solar flares (B to X class) that lack soft X-ray quasi-periodic pulsations and show no kink oscillations of nearby coronal loops visible in SD…