4 papers
Self-calibration of adaptive optics systems. Application to the THEMIS solar telescope
Clementine Bechet, Eric Thiebaut, Michel Tallon +3
The interaction matrix models the effects of deformable mirror (DM) commands as perceived by the wavefront sensor (WFS) and is the cornerstone of the Adaptive Optics (AO) control.…
THÉMIS: a calibration-free solar telescope
V. Bommier, B. Gelly, R. Douet
Context. THÉMIS was initially built as a calibration-free telescope, with the polarisation analysis performed in F1 focus, before any oblique reflection. Recently, the telescope wa…
Elongation of a Solar Filament and its Three-Dimensional Numerical Reconstruction for Magnetic Structures
Garima Karki, Jinhan Guo, Brigitte Schmieder +4
Quiescent filaments are prominent features of the solar atmosphere, and their evolution reflects the coronal magnetic field's response to photospheric magnetic activity. Here, we r…
Magnetic Reconnection between a Solar Jet and a Filament Channel
Garima Karki, Brigitte Schmieder, Pooja Devi +4
The solar corona is highly structured by bunches of magnetic field lines forming either loops, or twisted flux ropes representing prominences/filaments, or very dynamic structures…