Abstract Disappearances of preflare filaments have been observed on June 22, 1980 (S07,W13) (flare at 13.04 U.T.) and September 3, 1980 (flare at 7.52 U.T.). The analysis of MSDP data (MEUDON) leads to the followings conclusions : - Disappearances begin a few minutes before the Hα impulsive phase. - The filaments can be seen again after the flares. - Upwards motions occur in several points, without disturbing significantly preëxisting downflows. Velocity maps suggest shears or velocity loops. The filament disappearance seems to be due to a heating mechanism beginning before the flare maximum.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Preflare heating of filaments


    Beteiligte:
    Malherbe, J.M. (Autor:in) / Simon, G. (Autor:in) / Mein, P. (Autor:in) / Mein, N. (Autor:in) / Schmieder, B. (Autor:in) / Vial, J.C. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1983-01-01


    Format / Umfang :

    4 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    The X Flare of 15 November, 1991: Preflare Flux Emergence, Heating and Filament Eruption

    Canfield, R. C. / Blais, K. A. / McClymont, A. N. et al. | British Library Conference Proceedings | 1994


    Microwave Preflare Enhancement and Depletion in Long Duration Events

    Fujiki, K. / Nakajima, H. / International Council of Scientific Unions | British Library Conference Proceedings | 2000


    Resistive Processes in the Preflare Phase of Eruptive Flares

    Magara, T. / Shibata, K. / International Council of Scientific Unions | British Library Conference Proceedings | 2000



    “Oblique” Bernstein modes in solar preflare plasma: Generation of second harmonics

    Kryshtal, A.N. / Gerasimenko, S.V. / Voitsekhovska, A.D. | Elsevier | 2011