2 papers
astro-ph.SR2026
IRIS NUV diagnostics for Ellerman bombs: spectral properties, thermodynamics, and formation height
I. J. Soler Poquet, C. J. DÃaz Baso, A. Sainz Dalda +3
Context. Ellerman bombs (EBs) are observational signatures of small-scale magnetic reconnection, key to understanding the lower solar atmosphere. While their role in active regions…
astro-ph.SR2026
Chromospheric dynamics and the O I 135.6~nm spectral line
Viggo Hansteen, Mats Carlsson, Bart De Pontieu +1
The O I 135.6 nm spectral line is formed in the chromosphere at the same heights as the Mg II h&k line cores are formed. As the O I line is optically thin, it represents a possibil…