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Forecasting the Remaining Duration of an Ongoing Solar Flare
Space Weather, 2021 The solar X‐ray irradiance is significantly heightened during the course of a solar flare, which can cause radio blackouts due to ionization of the atoms in the ionosphere.
Jeffrey W. Reep, Will T. Barnes
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Simultaneous Observation of a Flux Rope Eruption and Magnetic Reconnection during an X-class Solar Flare [PDF]
, 2018 In this Letter, we present a spectacular eruptive flare (X8.2) associated with a coronal mass ejection on 2017 September 10 at the west limb of the Sun.
Xiaoli Yan +6 more
semanticscholar +1 more source
Vistas in Astronomy, 1974 When we look at a solar flare we observe at relatively close hand a sample of the most energetic phenomena in the universe. These dynamic eruptions can only truly be appreciated from time-lapse movies or spectra. They fill the interplanetary medium with cosmic rays and shock waves, and produce plasmas with temperatures of 50 million degrees.
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Collective acceleration in solar flares [PDF]
Physica Scripta, 1994 Solar flare data are examined with an eye to seeing if they suggest collective acceleration of ions. That, in fact, seems to be the case. The collective acceleration mechanism of Gershtein is reviewed and the possibilities of the mechanism are discussed.
Barletta, W +5 more
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Statistical properties of solar Hα flare activity
Journal of Space Weather and Space Climate, 2017 Magnetic field structures on the solar atmosphere are not symmetric distribution in the northern and southern hemispheres, which is an important aspect of quasi-cyclical evolution of magnetic activity indicators that are related to solar dynamo theories.
Deng Linhua +3 more
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A Study of Solar Flare Effects on the Geomagnetic Field Components during Solar Cycles 23 and 24
Atmosphere, 2021 In this paper, we investigated the impact of solar flares on the horizontal (H), eastward (Y) and vertical (Z) components of the geomagnetic field during solar cycles 23 and 24 (SC23/24) using data of magnetometer measurements on the sunlit side of the ...
Oswald Didier Franck Grodji +7 more
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Spectroscopic Observations of a Current Sheet in a Solar Flare [PDF]
, 2018 The current sheet is believed to be the region of energy dissipation via magnetic reconnection in solar flares. However, its properties, for example, the dynamic process, are not fully understood. Here, we report a current sheet in a solar flare (SOL2017-
Y. Li +8 more
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Energy release in solar flares [PDF]
Solar Physics, 1984 In early research on solar flares, attention was focused on the impulsíve or flash phase, and it was assumed implicitly that virtually all the energy of a flare is released during that short phase. In recent years, however, it has been realized that the long-lived soft X-ray emission which follows the impulsive phase may require a separate energy ...
P. A. Sturrock +3 more
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Journal of Geophysical Research: Space Physics, 2019 The period of 6–11 September 2017 was an active period in which multiple solar flares and a major geomagnetic storm occurred. The two largest flares, an X9.3 and an X8.2, were a disk flare and a limb flare, respectively.
L. Qian +6 more
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Solar and Stellar Flares [PDF]
Highlights of Astronomy, 1989 AbstractThis review concentrates on some selected topics concerning the release of magnetic energy and associated phenomena in flares. Emphasis is on microflares, recent studies of different phases of flares, and propagation and trapping of flare accelerated electrons. The ongoing analysis of the observations of the previous solar cycle reaches a state
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