The challenge of umbral dots

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F11%3A00372708" target="_blank" >RIV/67985815:_____/11:00372708 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
The challenge of umbral dots
Original language description
Recent numerical simulations of magnetoconvection in the umbra reproduced not only the basic characteristics of central (CUDs) and peripheral (PUDs) umbral dots but predicted also possible substructures -- dark lanes in CUDs and tails connected to PUDs.Imaging of these extremely small and faint substructures is at the limits of contemporary solar telescopes and spectropolarimetry is currently not feasible. Although the existence of these substructures has been recently confirmed by observations, thereare some differences between the observed and predicted characteristics that need to be clarified. The required spectropolarimetric observations with extremely high spatial and temporal resolution and stability can be acquired only with 4-m class telescopes equipped with multi-conjugate adaptive optics.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BN - Astronomy and celestial mechanics, astrophysics
OECD FORD branch
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Project
<a href="/en/project/IAA300030808" target="_blank" >IAA300030808: Interaction of moving plasma with magnetic fields in the solar photosphere</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2011
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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