0125069 - ASU-R 20020167 RIV NL eng C - Konferenční příspěvek (zahraniční konf.)
Hudson, H. S. - Fárník, František
Spectral variations of flare hard X-rays.
Solar variabiliy: from core to outer frontiers. Vol. 1. Noordwijk: ESA Publication Division, 2002 - (Wilson, A.), s. 261-264
[European Solar Physics Meeting /10./. Praha (CZ), 09.09.2002-14.09.2002]
Grant CEP: GA ČR GA205/02/0980
Výzkumný záměr: CEZ:AV0Z1003909
Klíčová slova: flares * X-rays * corona
Kód oboru RIV: BN - Astronomie a nebeská mechanika, astrofyzika

The authors report on a set of eight solar hard X-ray bursts corresponding to M-class flares and well-observed with the RHESSI and HXRS instruments. They find that the impulsive phases of these events invariably show the soft-hard-soft spectral pattern in which the power-law spectral index anticorrelates with the flux.

Trvalý link: http://hdl.handle.net/11104/0023327