Abstract We have observed the flare of 1980 May 7 1456 UT with several Solar Maximum Mission instruments, in coordination with the Sacramento Peak Observatory Vacuum Tower Telescope. From the X-ray data we determine the total amount of plasma at T > 2 × 106 K, commonly attributed to chromospheric evaporation. From Hα we have determined the amount of plasma that has been evaporated from the chromosphere. We find that enough material has been evaporated from the chromosphere to account for the X-ray plasma. Taken together, the Hα, soft and hard X-ray images suggest that chromospheric evaporation is driven both by flare accelerated electrons, during the impulsive phase, and conduction, during the thermal phase.


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    Titel :

    Direct evidence for chromospheric evaporation in a well-observed compact flare


    Beteiligte:
    Canfield, R.C. (Autor:in) / Gunkler, T.A. (Autor:in) / Hudson, H.S. (Autor:in) / Acton, L.W. (Autor:in) / Leibacher, J.W. (Autor:in) / Kiplinger, A.L. (Autor:in)

    Erschienen in:

    Advances in Space Research ; 2 , 11 ; 145-149


    Erscheinungsdatum :

    01.01.1983


    Format / Umfang :

    5 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Direct evidence for chromospheric evaporation in a well-observed compact flare

    Canfield, R. C. / Gunkler, T. A. / Hudson, H. S. et al. | NTRS | 1982


    Evidence for explosive chromospheric evaporation in a solar flare observed with SMM

    Zarro, D. M. / Saba, J. L. R. / Strong, K. T. et al. | NTRS | 1986



    H and X-Ray Signatures of Chromospheric Evaporation Observed during the Early Phase of the 15 November 1991 Flare

    Wuelser, J.-P. / Canfield, R. C. / Acton, L. W. et al. | British Library Conference Proceedings | 1994