2 papers
astro-ph.SR2025
Velocity and Density Fluctuations in the Quiet Sun Corona
Michael Hahn, Xiangrong Fu, Stefan J. Hofmeister +3
We investigate the properties and relationship between Doppler-velocity fluctuations and intensity fluctuations in the off-limb quiet Sun corona. These are expected to reflect the…
astro-ph.SR2025
Revised Point-Spread Functions for the Atmospheric Imaging Assembly onboard the Solar Dynamics Observatory
Stefan Hofmeister, Daniel Wolf Savin, Michael Hahn
We present revised point-spread functions (PSFs) for the Atmospheric Imaging Assembly (AIA) onboard the Solar Dynamics Observatory (SDO). These PSFs provide a robust estimate of th…