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American Astronomical Society, Astrophysical Journal, 2(714), p. 1142-1148, 2010

DOI: 10.1088/0004-637x/714/2/1142

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RT-2 detection of quasi-periodic pulsations in the 2009 July 5 solar hard X-ray flare

Journal article published in 2010 by A. R. Rao, J. P. Malkar, M. K. Hingar, V. K. Agrawal, S. K. Chakrabarti, A. Nandi, D. Debnath, T. B. Kotoch, T. R. Chidambaram, P. Vinod, S. Sreekumar, Y. D. Kotov, A. S. Buslov, V. N. Yurov, V. G. Tyshkevich and other authors.
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

We present the results of an analysis of hard X-ray observations of the C2.7 solar flare detected by the RT-2 experiment on board the Coronas-Photon satellite. We detect hard X-ray pulsations at periods of ~ 12 s and ~15 s. We find a marginal evidence for a decrease in period with time. We have augmented these results using the publicly available data from the RHESSI satellite. We present a spectral analysis and measure the spectral parameters.