203 citations · 1k across the 40 of their papers we have counts for
41 papers
Chromospheric magnetic field extrapolations reveal the flux-rope configuration of a solar filament
Robert Jarolim, João M. da Silva Santos, Matthias Rempel +5
Solar eruptions are powered by the release of magnetic energy stored in the lower solar atmosphere, but the pre-eruptive magnetic configuration of filament channels remains difficu…
Infrared spectropolarimetry of a C-class solar flare footpoint plasma -- I. Spectral features and forward modelling
Z. Vashalomidze, C. Quintero Noda, T. V. Zaqarashvili +10
We performed high-spatial resolution spectropolarimetric observations of active region NOAA 13363 during a C-class flare with the Gregor Infrared Spectrograph (GRIS) on 16 July 202…
Synthesizing Sun-as-a-star flare spectra from high-resolution solar observations
M. De Wilde, A. G. M. Pietrow, M. K. Druett +22
Spatially resolved observations of the Sun and the astronomical sample size of stellar bodies are the respective key strengths of solar and stellar observations. However, the large…
The evolution of chromospheric quiet-sun bright points during their lifetime
Llŷr Humphries, Huw Morgan, David Kuridze
Bright points (BPs) are ubiquitous, small-scale energetic events with multithermal signatures, typically observed in the chromosphere and linked to both photospheric structure and…
The striated solar photosphere observed at 0."03, resolution
D. Kuridze, F. Wöger, H. Uitenbroek +5
Striated granular edges observed in the solar photosphere represent one of the smallest-scale phenomena on the Sun. They arise from the interaction of strongly coupled hydrodynamic…
An in-depth analysis of quiet-Sun IRIS Brightenings
Llŷr Humphries, Huw Morgan, David Kuridze
Small-scale brightenigs are ubiquitous, dynamic and energetic phenomena found in the chromopshere. An advanced filter-detection algorithm applied to high-resolution observations fr…
Can the solar atmosphere generate very high energy cosmic rays?
Z. N. Osmanov, D. Kuridze, S. M. Mahajan
The origin and acceleration of high-energy particles in space (cosmic rays), constitute important topics in modern astrophysics. Among the The origin and acceleration of high-energ…
Insight into the solar plage chromosphere with DKIST
D. Kuridze, H. Uitenbroek, F. Wöger +11
The strongly coupled hydrodynamic, magnetic, and radiation properties of the plasma in the solar chromosphere makes it a region of the Sun's atmosphere that is poorly understood. W…
Specialist Discussion Meeting: 3D structure of the flare chromosphere
David Kuridze, Lyndsay Fletcher, Hugh Hudson
David Kuridze, Lyndsay Fletcher and Hugh Hudson report on the RAS Specialist Discussion Meeting '3D Structure of the Flare Chromosphere'.
Temperature diagnostics of chromospheric fibrils
M. Kriginsky, R. Oliver, D. Kuridze
Context. Chromospheric fibrils are thin and elongated structures that connect nearby photospheric magnetic field concentrations of opposite polarities. Aims. We assess the possibil…
Dark off-limb gap: manifestation of temperature minimum and dynamic nature of the chromosphere
D. Kuridze, P. Heinzel, J. Koza +1
We study off-limb emission of the lower solar atmosphere using high-resolution imaging spectroscopy in the H and Ca II 8542 Å lines obtained with the CHROMospheric Imaging Spect…
A solar-cycle study of coronal rotation: large variations, rapid changes, and implications for solar wind models
Liam T. Edwards, David Kuridze, Thomas Williams +1
Information on the rotation rate of the corona, and its variation over latitude and solar cycle, is valuable for making global connections between the corona and the Sun, for globa…
The Atmospheric Response to High Nonthermal Electron Beam Fluxes in Solar Flares. II. Hydrogen Broadening Predictions for Solar Flare Observations with the Daniel K. Inouye Solar Telescope
Adam F. Kowalski, Joel C. Allred, Mats Carlsson +5
Red-shifted components of chromospheric emission lines in the hard X-ray impulsive phase of solar flares have recently been studied through their 30 s evolution with the high resol…
Detecting and characterising small-scale brightenings in solar imaging data
Llŷr Dafydd Humphries, Huw Morgan, David Kuridze
Observations of small-scale brightenings in the low solar atmosphere can provide valuable constraints on possible heating/heat-transport mechanisms. We present a method for the det…
Flare Induced Photospheric Velocity Diagnostics
Aaron J. Monson, Mihalis Mathioudakis, Aaron Reid +2
We present radiative hydrodynamic simulations of solar flares generated by the RADYN and RH codes to study the perturbations induced in photospheric Fe I lines by electron beam hea…
Magnetic field inference in active region coronal loops using coronal rain clumps
M. Kriginsky, R. Oliver, P. Antolin +2
Aims. We aim to infer information about the magnetic field in the low solar corona from coronal rain clumps using high-resolution spectropolarimetric observations in the Ca ii 8542…
Temporal evolution of small-scale internetwork magnetic fields in the solar photosphere
Ryan J. Campbell, Mihalis Mathioudakis, Manuel Collados +5
While the longitudinal field that dominates photospheric network regions has been studied extensively, small scale transverse fields have recently been found to be ubiquitous in th…
Semi-empirical models of spicule from inversion of Ca II 8542 Å line
D. Kuridze, H. Socas-Navarro, J. Koza +1
We study a solar spicule observed off-limb using high-resolution imaging spectroscopy in the Ca II 8542 Å line obtained with the CRisp Imaging SpectroPolarimeter (CRISP) on the Swe…
Multiwavelength Imaging and Spectral Analysis of Jet-like Phenomena in a Solar Active Region Using IRIS and AIA
Llŷr Dafydd Humphries, Erwin Verwichte, David Kuridze +1
High-resolution observations of dynamic phenomena give insight into properties and processes that govern the low solar atmosphere. We present the analysis of jet-like phenomena ema…
Ubiquitous hundred-Gauss magnetic fields in solar spicules
M. Kriginsky, R. Oliver, N. Freij +3
Aims. We use high-resolution spectropolarimetric observations in the Ca ii 8542 A line obtained with the SST to study the magnetic field in solar spicules. Methods. The equations t…
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…
Spectral Characteristics and Formation Height of Off-Limb Flare Ribbons
D. Kuridze, M. Mathioudakis, P. Heinzel +5
Flare ribbons are bright manifestations of flare energy dissipation in the lower solar atmosphere. For the first time, we report on high-resolution imaging spectroscopy observation…
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…
Mapping the magnetic field of flare coronal loops
D. Kuridze, M. Mathioudakis, H. Morgan +9
Here we report on the unique observation of flaring coronal loops at the solar limb using high resolution imaging spectropolarimetry from the Swedish 1-meter Solar Telescope. The v…