Directionality of continuum gamma rays from solar flares
Technical Report
·
OSTI ID:6592017
The hard-x-ray spectrometer total counts are used as calibration to investigate how the brightness of gamma rays above 300 keV changes as a function of the heliocentric angle of a flare. The normalized gamma-ray brightness, on the average, increases with the heliocentric angle; a flare at the limb is estimated to be 13 times brighter in gamma rays than a similar flare near the central meridian. Both pancake-like electron distributions and downward beam distributions can be adjusted to produce the deduced limb brightening.
- Research Organization:
- Stanford Univ., CA (USA). Center for Space Science and Astrophysics
- OSTI ID:
- 6592017
- Report Number(s):
- AD-A-199379/9/XAB; CSSA-ASTRO-88-02
- Country of Publication:
- United States
- Language:
- English
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