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B. R. Dennis (NASA Goddard Space Flight Center), HESSI Team
Despite the launch delay caused by the vibration accident in March, the goals and instrument capabilities of HESSI remain the same. The primary scientific objective is to understand particle acceleration and explosive energy release in the magnetized plasma at the Sun. HESSI will provide the first high-spectral-resolution x-ray and gamma-ray images of solar flares. It will obtain the first imaging above 100 keV, the first imaging of solar gamma-ray lines, and the first high-resolution spectroscopy of solar gamma-ray lines, including the first determination of line shapes. In the 2001/2002 timeframe, HESSI can be expected to make observations of tens of thousands of microflares, thousands of hard x-ray flares, and tens of gamma-ray line flares.
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The author(s) of this abstract have provided an email address for comments about the abstract: Brian.R.Dennis.1@gsfc.nasa.gov