Early HESSI Results and Prospects for Future Missions

Details Early HESSI Results and Prospects for Future Missions Early HESSI Results and Prospects for Future Missions

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agufmsh32b..09l&link_type=abstract

American Geophysical Union, Fall Meeting 2001, abstract #SH32B-09

Physics

7514 Energetic Particles (2114), 7519 Flares, 7554 X Rays, Gamma Rays, And Neutrinos

Scientific paper

The primary objective of High Energy Solar Spectroscopic Imager (HESSI) Small Explorer mission is to investigate the physics of particle acceleration and energy release in solar flares, where the accelerated ~10-100 keV electrons (and possibly ~ MeV ions) appear to contain >~10-50 % of the energy released. HESSI utilizes rotating modulator collimators together with cooled germanium detectors to image X-rays/gamma-rays from ~3 keV to ~17 MeV. It will provide the first hard X-ray imaging spectroscopy (~2 arcsec, ~1 keV), the first high resolution (~1-5 keV) spectroscopy of solar gamma-ray lines, and the first imaging (~36 arcsec) of solar gamma-ray lines and continuum. HESSI is planned for launch in October 2001. I hope to present the first results from HESSI and discuss future missions to study high energy solar phenomena.

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