Other RHESSI
Web Sites
E-mail: aschwanden@lmsal.com - Markus J.Aschwanden (Lockheed Martin Solar & Astrophysics Lab.)

Introduction into Forward-Fitting of HESSI Images

HESSI Data Analysis Meeting / 1999 Oct 22, NASA/GSFC, Greenbelt/MD

  1. Forward Fitting: Philosophy and Concept
  2. How suitable is Forward Fitting for solar HXR images ?
  3. HXT images of 54 solar flares (Aschwanden et al. 1999, ApJ 517, 977; Fig.1)
  4. 2-D Gaussian Decomposition of 54 solar flares (Aschwanden et al. 1999, ApJ 517, 977; Fig.2)
  5. 1-D Gaussian Fit of 54 solar flares (Aschwanden et al. 1999, ApJ 517, 977; Fig.3)
  6. Numerical steps of Forward-Fitting Algorithm
  7. Flow-chart of Forward-Fitting Algorithm
  8. Back-Projection of a single Gaussian source with 3 iterative decompositions
  9. Modulation Pattern Profiles (in 9 Collimators) of Backprojection and Model
  10. Applications of Forward-Fitting: Footpoint motion d(t) and spectral location d(E)
 

Link to NASA Home Page

Responsible NASA Official:  Gordon D. Holman

Web Design:  Merrick Berg, Brian Dennis, Gordon Holman, & Gilbert Prevost

Heliophysics Science Division
NASA/Goddard Space Flight Center
Laboratory for Solar Physics/ Code 671
Greenbelt, MD, 20771, USA
Gordon.D.Holman@nasa.gov

 Link to NASA/Goddard Home Page

+ NASA Privacy Statement, Disclaimer, and Accessibility Certification

This site last updated November 10, 2008.