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Velocities of Flare Kernels and the Mapping Norm of Field Line Connectivity

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F19%3A00511510" target="_blank" >RIV/67985815:_____/19:00511510 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.3847/1538-4357/ab298f" target="_blank" >https://doi.org/10.3847/1538-4357/ab298f</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.3847/1538-4357/ab298f" target="_blank" >10.3847/1538-4357/ab298f</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Velocities of Flare Kernels and the Mapping Norm of Field Line Connectivity

  • Original language description

    We report on observations of flare ribbon kernels during the 2012 August 31 filament eruption. In the 1600 and 304 angstrom channels of the Atmospheric Imaging Assembly, flare kernels were observed to move along flare ribbons at velocities v(parallel to) of up to 450 km s(-1). Kernel velocities were found to be roughly anticorrelated with strength of the magnetic field. An apparent slipping motion of the flare loops was observed in the 131 angstrom only for the slowest kernels moving through the strong-B region. In order to interpret the observed relation between B-LOS and v(parallel to), we examined the distribution of the norm N, a quantity closely related to the slippage velocity.

  • Czech name

  • Czech description

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/GA17-16447S" target="_blank" >GA17-16447S: Slipping magnetic reconnection in solar flares: multi-spectral analysis, dynamics, and non-thermal cooling simulations</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2019

  • 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

    1538-4357

  • e-ISSN

  • Volume of the periodical

    881

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    14

  • Pages from-to

    68

  • UT code for WoS article

    000481694500014

  • EID of the result in the Scopus database

    2-s2.0-85071980492