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Observation of a Magnetic Switchback in the Solar Corona

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F22%3A00561335" target="_blank" >RIV/67985815:_____/22:00561335 - isvavai.cz</a>

  • Result on the web

    <a href="https://hdl.handle.net/11104/0334230" target="_blank" >https://hdl.handle.net/11104/0334230</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.3847/2041-8213/ac8104" target="_blank" >10.3847/2041-8213/ac8104</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Observation of a Magnetic Switchback in the Solar Corona

  • Original language description

    Switchbacks are sudden, large radial deflections of the solar wind magnetic field, widely revealed in interplanetary space by the Parker Solar Probe. The switchbacks' formation mechanism and sources are still unresolved, although candidate mechanisms include Alfvenic turbulence, shear-driven Kelvin-Helmholtz instabilities, interchange reconnection, and geometrical effects related to the Parker spiral. This Letter presents observations from the Metis coronagraph on board a Solar Orbiter of a single large propagating S-shaped vortex, interpreted as the first evidence of a switchback in the solar corona. It originated above an active region with the related loop system bounded by open-field regions to the east and west. Observations, modeling, and theory provide strong arguments in favor of the interchange reconnection origin of switchbacks. Metis measurements suggest that the initiation of the switchback may also be an indicator of the origin of slow solar wind.

  • 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

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2022

  • 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 Letters

  • ISSN

    2041-8205

  • e-ISSN

    2041-8213

  • Volume of the periodical

    936

  • Issue of the periodical within the volume

    2

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    9

  • Pages from-to

    L25

  • UT code for WoS article

    000852843100001

  • EID of the result in the Scopus database

    2-s2.0-85141806896