22 citations · 45 across the 4 of their papers we have counts for
9 papers
On the Possibilities of Detecting Helium D Line Polarization with Metis
Petr Heinzel, Jiří Štěpán, Alessandro Bemporad +4
Space coronagraph Metis on board of the Solar Orbiter offers us new capabilities for studying eruptive prominences and coronal mass ejections (CME). Its two spectral channels, hydr…
Signatures of Helium continuum in cool flare loops observed by SDO/AIA
Petr Heinzel, Pavol Schwartz, Juraj Lörinčík +3
We present an analysis of off-limb cool flare loops observed by SDO/AIA during the gradual phase of SOL2017-09-10T16:06 X8.2-class flare. In the EUV channels starting from the 335…
IRIS Mg II Observations and Non-LTE Modeling of Off-limb Spicules in a Solar Polar Coronal Hole
Akiko Tei, Stanislav Gunar, Petr Heinzel +4
We investigated the off-limb spicules observed in the Mg II h and k lines by IRIS in a solar polar coronal hole. We analyzed the large dataset of obtained spectra to extract quanti…
Spectral diagnostics of cool flare loops observed by SST: I. Inversion of the Ca II 8542 Å and H lines
Július Koza, David Kuridze, Petr Heinzel +3
Flare loops form an integral part of eruptive events, being detected in the range of temperatures from X-rays down to cool chromospheric-like plasmas. While the hot loops are routi…
High-Density Off-Limb Flare Loops Observed by SDO
S. Jejčič, L. Kleint, P. Heinzel
The density distribution of flare loops and the mechanisms of their emission in the continuum are still open questions. On September 10, 2017 a prominent loop system appeared durin…
Statistical analysis of UV spectra of a quiescent prominence observed by IRIS
S. Jejčič, P. Schwartz, P. Heinzel +2
The paper analyzes the structure and dynamics of a quiescent prominence that occurred on October 22, 2013. We aim to determine the physical characteristics of the observed prominen…