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Analysis of Prognoz - 9 Solar Flare Hard X-ray Data-support for the Non-thermal thick target Model

Published online by Cambridge University Press:  19 July 2016

R. R. Rausaria ,
Ranjana Bakaya  and
P.N. Khosa
R. R. Rausaria
Affiliation:
Department of Physics, Regional Engineering College, Hazratbal, SRINAGAR - 190 006
Ranjana Bakaya
Affiliation:
Department of Physics, Regional Engineering College, Hazratbal, SRINAGAR - 190 006
P.N. Khosa
Affiliation:
Department of Physics, Regional Engineering College, Hazratbal, SRINAGAR - 190 006

Extract

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Solar flare hard X-ray data obtained by Prognoz-9 spacecraft (Abrosimov et al 1988) in the energy range 10-200 keV are analysed. In examples of events which we consider here, high energy X-ray pulses appear earlier than low energy ones, which is contrary to many other events where the low energy X-ray peak emission takes place earlier. The variation of the spectral index was dynamical.

Type
VIII. Solar Flares
Information
Symposium - International Astronomical Union , Volume 142: Basic Plasma Processes on the Sun , 1990 , pp. 445 - 447
Copyright
Copyright © Kluwer 1990 

References

References:

Abrosimov, A.T. et al.,: 1988, “Catelogue of solar hard X-rays bursts as detected on Prognoz-9 satellite”, Soviet Geophysical Committee, Academy of Sciences of the USSR, World Data Centre-B.Google Scholar
Haug, E., Elwert, G. and Rausaria, R.R.: 1985, Astron Astrophys. 146, 159.Google Scholar
Nocera, L., Skrynnikov, Yu I and Somov, B.V.: 1985 Solar Phys 43, 415.Google Scholar