11 papers
Fast and periodic propagating disturbances along coronal loops detected with EUI on board Solar Orbiter
A. Dolliou, S. Mandal, K. Barczynski +9
Recent high-resolution observations from the Solar Orbiter mission can help detect the indirect signatures of heating at the smallest scales. In this work we measure the properties…
A Point-Spread Function for the Extreme Ultraviolet High-Resolution Imager on board Solar Orbiter
Stefan J. Hofmeister, Emil Kraaikamp, Sergei Shestov +7
We present the point-spread function (PSF) of the Extreme Ultraviolet High-Resolution Imager (HRIEUV) onboard Solar Orbiter, which observes the Sun at 174 Angstrom. This PSF provid…
Small-Scale and Transient EUV Kernels in Solar Flare Ribbons
Hannah Collier, Säm Krucker, Laura A. Hayes +3
Flare ribbons form when energy released by coronal magnetic reconnection is deposited in the low solar atmosphere, so by studying the dynamics of flare ribbons, one obtains an indi…
A magnetic avalanche as the central engine powering a solar flare
L. P. Chitta, D. I. Pontin, E. R. Priest +17
Solar flares are the most powerful, magnetically driven, explosions in the heliosphere. The nature of magnetic energy release in the solar corona that heats the plasma and accelera…
Picoflares in the Quiet Solar Corona: Solar Orbiter Observations Halfway to the Sun
O. Podladchikova, A. Warmuth, L. Harra +33
X-ray observations of the Sun led Eugene Parker to propose nanoflares as the basic energy-release units that heat the solar corona. Decades later, Solar Orbiter's Extreme Ultraviol…
Supergranulation and Poleward Migration of the Magnetic Field at High Latitudes of the Sun
L. P. Chitta, D. Calchetti, J. Hirzberger +26
Magnetoconvection at the solar surface governs the dynamics in the upper solar atmosphere and sustains the heliosphere. Properties of this fundamental process are poorly described…