Observations of the early hard X-ray afterglows of short GRBs

D. D. Frederiks1, R. L. Aptekar1, T. L. Cline2, S. V. Golenetski1, V. N. Il'inskii1, E. P. Mazets1, and V. D. Palshin1
1Ioffe Physico-Technical Institute, Russian Academy of Sciences, St.Petersburg, 194021, Russia
2NASA Goddard Space Flight Center, Greenbelt, Maryland, 20771, USA

For a ten of 125 short GRBs from the Konus-Wind catalog an existence of statistically significant flux of hard X-ray photons accompanying initial event for time after trigger of tens to hundred seconds was revealed. Temporal, spectral, and energetic characteristics of these events are presented.

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