Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993astl...19...65t&link_type=abstract
Astronomy Letters, Vol. 19, p. 65-68; Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 19, no. 3, p. 163-171. In Russia
Astronomy and Astrophysics
Astronomy
16
Deuterium, Gamma Ray Bursts, Light Curve, Solar Flares, Gamma Ray Spectra, Solar Flux Density
Scientific paper
During a bright solar flare on May 24, 1990, strong radiation in the 2.2-MeV line was detected by the PHEBUS instrument on board the Granat observatory. The observed 2.2-MeV line emission maximum is delayed for about 100 s with respect to the emission maxima in both the 4-6 and 65-120 MeV energy ranges. The decaying 2.2-MeV line photon flux was detected for a period of more than 8 min after the 4-6 MeV intensity maximum. The 2.2-MeV line fluence throughout the flare was 345 +/- 6 photons/sq cm, which corresponds to the observed synthesis of over 3 tons of deuterium on the solar surface.
Barat Claude
Kuznetsov Alexander Vasilievich
Sunyaev Rashid A.
Talon R.
Terekhov Oleg V.
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