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4 papers · 1 filter
Surges and Si IV bursts in the solar atmosphere. Understanding IRIS and SST observations through RMHD experiments
D. Nóbrega-Siverio, J. Martínez-Sykora, F. Moreno-Insertis +1
Surges often appear as a result of the emergence of magnetized plasma from the solar interior. Traditionally, they are observed in chromospheric lines such as H 6563 Åand Ca II…
On the generation of solar spicules and Alfvénic waves
Juan Martínez-Sykora, Bart De Pontieu, Viggo H. Hansteen +3
In the lower solar atmosphere, the chromosphere is permeated by jets known as spicules, in which plasma is propelled at speeds of 50 to 150 kilometers per second into the corona. T…
What causes the high apparent speeds in chromospheric and transition region spicules on the Sun?
Bart De Pontieu, Juan Martinez-Sykora, Georgios Chintzoglou
Spicules are the most ubuiquitous type of jets in the solar atmosphere. The advent of high-resolution imaging and spectroscopy from the Interface Region Imaging Spectrograph (IRIS)…
Global Energetics of Solar Flares: V. Energy Closure in Flares and Coronal Mass Ejections
Markus J. Aschwanden, Amir Caspi, Christina M. S. Cohen +11
In this study we synthesize the results of four previous studies on the global energetics of solar flares and associated coronal mass ejections (CMEs), which include magnetic, ther…