92 citations · 547 across the 12 of their papers we have counts for
12 papers · 1 filter
Spectroscopy and Differential Emission Measure diagnostics of a coronal dimming associated with a fast halo CME
Astrid M. Veronig, Peter Gömöry, Karin Dissauer +2
We study the coronal dimming caused by the fast halo CME (deprojected speed v =1250 km s associated with the C3.7 two-ribbon flare on 2012 September 27, using Hinode/EIS s…
Statistics of coronal dimmings associated with coronal mass ejections. I. Characteristic dimming properties and flare association
Karin Dissauer, Astrid M. Veronig, Manuela Temmer +2
Coronal dimmings, localized regions of reduced emission in the EUV and soft X-rays, are interpreted as density depletions due to mass loss during the CME expansion. They contain cr…
Plasma diagnostics of coronal dimming events
Kamalam Vanninathan, Astrid M. Veronig, Karin Dissauer +1
Coronal mass ejections (CMEs) are often associated with coronal dimmings, i.e. transient dark regions that are most distinctly observed in Extreme Ultra-violet (EUV) wavelengths. U…
On the detection of coronal dimmings and the extraction of their characteristic properties
Karin Dissauer, Astrid M. Veronig, Manuela Temmer +2
Coronal dimmings are distinct phenomena associated to coronal mass ejections (CMEs). The study of coronal dimmings and the extraction of their characteristic parameters helps us to…
Understanding the Physical Nature of Coronal "EIT Waves"
David M. Long, D. Shaun Bloomfield, Peng-Fei Chen +9
For almost 20 years the physical nature of globally propagating waves in the solar corona (commonly called "EIT waves") has been controversial and subject to debate. Additional the…
Active region upflows: 2. Data driven MHD modeling
K. Galsgaard, M. S. Madjarska, K. Vanninathan +2
Context. Observations of many active regions show a slow systematic outflow/upflow from their edges lasting from hours to days. At present no physical explanation has been proven,…
Active region upflows: 1. Multi-instrument observations
K. Vanninathan, M. S. Madjarska, K. Galsgaard +2
Upflows at the edges of active regions (ARs) are studied by spatially and temporally combining multi-instrument observations obtained with EIS/Hinode, AIA and HMI/SDO and IBIS/NSO,…
Coronal response to an EUV wave from DEM analysis
K. Vanninathan, A. M. Veronig, K. Dissauer +3
EUV (Extreme-Ultraviolet) waves are globally propagating disturbances that have been observed since the era of the SoHO/EIT instrument. Although the kinematics of the wave front an…
Solar Magnetized Tornadoes: Rotational Motion in a Tornado-like Prominence
Yang Su, Peter Gömöry, Astrid Veronig +5
Su et al. 2012 proposed a new explanation for filament formation and eruption, where filament barbs are rotating magnetic structures driven by underlying vortices on the surface. S…
Off-limb (spicule) DEM distribution from SoHO/SUMER observations
K. Vanninathan, M. S. Madjarska, E. Scullion +1
In the present work we derive a Differential Emission Measure (DEM) dis- tribution from a region dominated by spicules. We use spectral data from the Solar Ultraviolet Measurements…
Magnetic Reconnection resulting from Flux Emergence: Implications for Jet Formation in the lower solar atmosphere?
J. Y. Ding, M. S. Madjarska, J. G. Doyle +3
We aim at investigating the formation of jet-like features in the lower solar atmosphere, e.g. chromosphere and transition region, as a result of magnetic reconnection. Magnetic re…
Can coronal hole spicules reach coronal temperatures?
M. S. Madjarska, K. Vanninathan, J. G. Doyle
We aim with the present study to provide observational evidences on whether coronal hole spicules reach coronal temperatures. We combine multi-instrument co-observations obtained w…