1. Reuven Ramaty 1937 – 2001

2. RHESSI people UC Berkeley (Bob Lin) NASA GSFC (Brian Dennis) Paul Scherrer Institute (Alex Zehnder) Co-Is Benz, Brown, Emslie, Enome, Hudson, Hurford, Kosugi, Ramaty, Smith, Vilmer (Aschwanden? Holman? Krucker?)

3. RHESSI description A NASA Small Explorer (the 6th SMEX) Spin-stabilized modulation collimator array in low Earth orbit Germanium detectors for high resolution X- ray and  -ray imaging spectroscopy Launched successfully February 6, 2002 All data and software public-domain. The GUI really works.

4. Three RHESSI items Interplanetary connection Gamma-ray flare (July 23, 2002) Late arcade development (April 21, 2002)

5. Coronal connectivity via SEPs

8. Slide 16 Courtesy of Brian Dennis

9. July 23, 2002,  -ray event

11. Krucker et al. 2003

12. Hurford et al. 2003 Centroids of bremsstrahlung and 2.223 MeV emissions

13. April 21, 2002 “slow LDE”

15. Gallagher et al., 2002