E-mail:
aschwanden@lmsal.com
- Markus J.Aschwanden (Lockheed Martin Solar & Astrophysics Lab.)
Image Reconstruction of HESSI Data with Forward-Fitting"
Figures of manuscript version 1 (1999 Dec)
Telescope and grid layout
Telescope cross-section along optical axis
Grid transmission functions
Grid transmission as function of phase angle
Maximum vs minimum transmission
Modulation efficiency versus source size
Examples of modulation profiles for 7 different sources
Examples of modulation profiles of 9 subcollimators for double source
Map parametrization using gaussians, ellipticals, and curved gaussians
Flow chart of forward-fitting algorithm
Modulation and r.m.s. vs. photon count statistics
Decomposition of gaussian positions from back-projection map
Broadening of gaussian profile in back-projection map
Position and width error in forward-fitting vs. photon count rate
Uncertainties of single source parameters in 100 forward-fitting runs
100 simulations of maps with double sources
Uncertainties of double source parameters in 100 forward-fitting runs
Test simulations of forward-fitting for highest resolution
Chi-square or C-statistic for 200 simulations and forward-fitting solutions
CPU computation time and number of interations in forward-fitting of 200 runs