Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...259..392r&link_type=abstract
Astrophysical Journal, Part 1, vol. 259, Aug. 1, 1982, p. 392-396.
Astronomy and Astrophysics
Astronomy
9
Astronomical Spectroscopy, Gamma Ray Astronomy, Solar Flares, Spaceborne Astronomy, Gamma Ray Spectra, H Alpha Line, Heao 3, Sunspots
Scientific paper
The solar flare on 1979 November 8 11h 21m 28s UT was observed by the Tel Aviv telescope of the Big Bear Solar Observatory and the High Resolution Gamma-Ray Spectrometer on the High Energy Astronomy Observatory HEAO 3. Photographs in alpha hydrogen show the development of the flare and a subsequent Moreton wave. Although the flare was not detected with the high spectral resolution germanium detectors, the HEAO C-1 CsI shield detected a statistically significant signal above 80 keV, from 420 to 585 keV, and above 3.8 MeV. The temporal structure of microwave, optical, X-ray, and gamma-ray emission is consistent to within about 1 s with a simultaneous flare response at all energies. There is no evidence for either second-stage acceleration of charged particles (Bai and Ramaty, 1979) or a delay between gamma-ray and X-ray continuum emission due to energy-dependent electron energy loss times (Bai and Ramaty).
Jacobson Seth A.
Ling James C.
Mahoney William A.
Prince Thomas A.
Riegler Guenter R.
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