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Solar Wind Plasma Particles Organized by the Flow Speed

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378289%3A_____%2F20%3A00538244" target="_blank" >RIV/68378289:_____/20:00538244 - isvavai.cz</a>

  • Result on the web

    <a href="https://oadoi.org/10.1007/s11207-020-01730-z" target="_blank" >https://oadoi.org/10.1007/s11207-020-01730-z</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1007/s11207-020-01730-z" target="_blank" >10.1007/s11207-020-01730-z</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Solar Wind Plasma Particles Organized by the Flow Speed

  • Original language description

    Recent reports of the first data from Parker Solar Probe (PSP) have pointed to a series of links, correlations or anti-correlations between the solar wind bulk speed (VSW) and physical properties of plasma particles from less than 0.25 AU in the corona. In the present paper, we describe corresponding and additional links of solar wind properties, at 0.4 AU and 1.0 AU, in an attempt to complement the PSP data and understand their evolution. A detailed analysis is carried out for the main electron populations, comparing the low-energy (thermal) core and the collisionless suprathermal halo. We show that the anti-correlation observed at 0.4 AU between VSW and the number density (average value) is maintained also at 1 AU for both the core and halo electrons. On the contrary, only the core electrons manifest a clear anti-correlation of the temperature with VSW, while the halo temperature does not vary much. We also describe the ions, protons and helium, which have a more reduced mobility and their properties exhibit different variations with the solar wind speed. The results are used to shed more light on the mechanisms leading to a differential acceleration of these species and the origin of slow and fast wind modulation.

  • 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

    2020

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Solar Physics

  • ISSN

    0038-0938

  • e-ISSN

  • Volume of the periodical

    295

  • Issue of the periodical within the volume

    11

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    14

  • Pages from-to

    151

  • UT code for WoS article

    000586798500001

  • EID of the result in the Scopus database

    2-s2.0-85095120651