AbstractThe Reuven Ramaty high energy spectroscopic solar imager (RHESSI) uses the rotational modulation principle [Space Sci. Rev. 8 (1968) 534], to observe temporally, spatially, and spectrally resolved hard X-ray and γ-ray images of solar flares. In order to track the flare evolution on time scales that are commensurate with modulation, the observed count rates must be demodulated at the expense of spatial information. The present paper describes improvements of an earlier demodulation algorithm, which decomposes the observed light curves into intrinsic source variability and instrumental modulation.
Visibility-based demodulation of RHESSI light curves
Advances in Space Research ; 34 , 2 ; 456-461
2004-01-22
6 pages
Article (Journal)
Electronic Resource
English
RHESSI , Hard X-rays , γ-rays , Solar flares
Visibility-based demodulation of RHESSI light curves
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