Empirical correction of RHESSI spectra for photospheric albedo and its effect on inferred electron spectra |
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| Authors: | Alexander R. Calum Brown John C. |
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| Affiliation: | (1) Department of Physics and Astronomy, University of Glasgow, Glasgow, G12 8QQ, U.K |
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| Abstract: | Photospheric Compton backscatter (albedo) makes a significant contribution to observed hard X-ray (HXR) spectral fluxes over the RHESSI energy range and should be allowed for in HXR spectral interpretation. The full correction problem is nonlinear and messy but we offer a simple approximate first-order correction procedure for global HXR spectra based upon empirical fits to published albedo simulations. We also illustrate the impact of this correction on inferred electron spectra for the thin- and thick-target models. |
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