2 papers
astro-ph.SR2025
Improving the Î-functions Method for Vortex Identification
Quan Xie, Jiajia Liu, Robert Erdélyi +1
Vortices have been observed at various heights within the solar atmosphere and are suggested to potentially play great roles in heating the solar upper atmosphere. Multiple automat…
astro-ph.SR2024
Photospheric Swirls in a Quiet-Sun Region
Quan Xie, Jiajia Liu, Chris J. Nelson +2
Swirl-shaped flow structures have been observed throughout the solar atmosphere, in both emission and absorption, at different altitudes and locations, and are believed to be assoc…