A number of observations from the SMM Gamma-Ray Spectrometer are presented that altogether strongly indicate that the high-energy emission from flares is anisotropic. They are: (1) the fraction of events detected at energies above 300 keV near the limb is significantly higher than is expected for isotropically emitting flares; (2) there is a statistically significant center-to-limb variation in the 300-1000-keV spectra of flares; and (3) nearly all of the events detected at above 10 MeV are located near the limb.


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    Titel :

    Evidence for solar flare directivity from the Gamma-Ray Spectrometer aboard the SMM satellite


    Beteiligte:
    Vestrand, W. T. (Autor:in) / Forrest, D. J. (Autor:in) / Chupp, E. L. (Autor:in) / Rieger, E. (Autor:in) / Share, G. H. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.01.1986



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Spatial variation for flares observed with the gamma ray spectrometer aboard the SMM satellite

    Zolcinski, M.C. / Forrest, D.J. / Ryan, J.M. et al. | Elsevier | 1983


    Spatial variation for flares observed with the gamma ray spectrometer aboard the SMM satellite

    Zolcinski, M. C. / Forrest, D. J. / Ryan, J. M. et al. | NTRS | 1982


    The Gas Chromatograph Mass Spectrometer Aboard Huygens

    Niemann, H. et al. | British Library Online Contents | 1997


    Solar-flare neutrons and gamma-rays

    Murphy, R. J. / Ramaty, R. | NTRS | 1984


    The signe II gamma-ray burst experiment aboard the prognoz 9 satellite

    Boer, M. / Hurley, K. / Niel, M. et al. | Elsevier | 1986