Filamentary electron-beam heating in solar flares
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F25%3A00619300" target="_blank" >RIV/67985815:_____/25:00619300 - isvavai.cz</a>
Result on the web
<a href="https://hdl.handle.net/11104/0366066" target="_blank" >https://hdl.handle.net/11104/0366066</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.3847/1538-4357/adc393" target="_blank" >10.3847/1538-4357/adc393</a>
Alternative languages
Result language
angličtina
Original language name
Filamentary electron-beam heating in solar flares
Original language description
Radiation-hydrodynamic simulations of the solar-flare chromospheric emission very often lead to an excess of the line intensities when compared to observations. Various studies suggest that the flare loops have a certain intrinsic, multithread internal structure, which is still not resolved by current telescopes. Taking this into account, we want to test and compare two different approaches for flare simulations. The first approach is the commonly used one, based on a continuous flux of nonthermal electrons heating the chromosphere for a rather long time. In the second approach, we consider the heating by short beam pulses consecutively within spatially unresolved filaments. Superposition of these short-duration pulses gives us the same electron-beam flux as in the first approach, but we are showing that the filamentary heating generates lower intensities in both the H alpha and Mg ii k lines, as expected.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
10308 - Astronomy (including astrophysics,space science)
Result continuities
Project
<a href="/en/project/GA22-34841S" target="_blank" >GA22-34841S: Science with Solar Orbiter: Focusing on eruptive processes</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Astrophysical Journal
ISSN
0004-637X
e-ISSN
1538-4357
Volume of the periodical
983
Issue of the periodical within the volume
2
Country of publishing house
GB - UNITED KINGDOM
Number of pages
6
Pages from-to
155
UT code for WoS article
001469220900001
EID of the result in the Scopus database
2-s2.0-105003254154