Počet záznamů: 1

Multicomponent stellar wind from hot subdwarfs stars

  1. 1.
    0354882 - ASU-R 2011 RIV NL eng J - Článek v odborném periodiku
    Votruba, Viktor - Feldmeier, A. - Krtička, J. - Kubát, Jiří
    Multicomponent stellar wind from hot subdwarfs stars.
    Astrophysics and Space Science. Roč. 329, 1-2 (2010), s. 159-161 ISSN 0004-640X
    Grant CEP: GA ČR GP205/09/P476
    Výzkumný záměr: CEZ:AV0Z10030501
    Klíčová slova: stellar wind * hot subdwarfs * decoupling
    Kód oboru RIV: BN - Astronomie a nebeská mechanika, astrofyzika
    Impakt faktor: 1.437, rok: 2010

    Stellar wind from hot subdwarf stars is mainly accelerated by the interaction of ultraviolet photospheric radiation with metals, mainly oxygen. Absorbing ions share momentum through Coulombic collisions with the remaining passive part of the plasma (namely protons). We found that in the case of the winds from hot subdwarfs, interactions could be so small that they stop the momentum transfer between the passive bulk of plasma and absorbing ions. As a result wind decouples at a certain point.
    Trvalý link: http://hdl.handle.net/11104/0193787