2 papers
astro-ph.SR2025
Nonlinearity of 3 minute Slow Magnetoacoustic Waves in the Sunspot Umbral Atmosphere
Y. Sanjay, S. Krishna Prasad, R. Sych +1
Slow magnetoacoustic waves with a 3 minute period are upward-propagating waves traveling through the density-stratified umbral atmosphere. The decreasing density causes their ampli…
astro-ph.SR2025
First Imaging of Magnetic Waveguides and Resonant Cavities in Sunspots
Robert Sych
For the first time, we have determined the spatial distribution of magnetic waveguides and resonant cavities at different heights in the sunspot atmosphere. We applied a decomposit…