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Abstract:

An observation carried out with a balloon-borne detector of an additional flux of secondary X-rays (E ≃ 30 keV) at large depths in the atmosphere is described. This excess is attributed to the emission of very hard X-rays during the solar flare of August 7, 1972. The propagation in the atmosphere of the secondary photons resulting from their electromagnetic interactions in the air is computed by utilizing the Monte Carlo method. The computations agree with the observed flux when a very hard solar X-ray spectrum is assumed. © 1995 Kluwer Academic Publishers.

Registro:

Documento: Artículo
Título:An X-ray observation in the atmosphere during the August 7, 1972 solar flare
Autor:Ghielmetti, H.S.; Azcárate, I.N.; Mugherli, V.J.
Filiación:Instituto de Astronomía y Física del Espacio, Casilla de Correo 67, Sucursal 28, (1428), Buenos Aires, Argentina
Member of the Carrera del Investigador Científico y Tecnológico del Consejo Nacional, de Investigaciones Científicas y Técnicas (CONICET), Argentina
Instituto Argentino de Radioastronomía, Casilla de Correo N 5, Villa Elisa (1894), Provincia de Buenos Aires, Argentina
Año:1995
Volumen:226
Número:1
Página de inicio:19
Página de fin:26
DOI: http://dx.doi.org/10.1007/BF00626895
Título revista:Astrophysics and Space Science
Título revista abreviado:Astrophys Space Sci
ISSN:0004640X
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0004640X_v226_n1_p19_Ghielmetti

Referencias:

  • Datlowe, D.W. and Peterson, L.E.: 1973, Report UAG-28, Part II, 291; Keppler, E., (1965) Mitteilungen aus dem Max-Planck-Institut für Aeronomie, 20, p. 29
  • Knuth, R. and Ohle, K.H.: 1973, Report UAG-28, Part II, 574; Mc Kinnon, J.A.: 1972, NOAA Technical Memorandum ERL SEL-22; Peterson, L.E., Winckler, J.R., Gamma-ray burst from a solar flare (1959) Journal of Geophysical Research, 64, p. 697
  • Rust, D.M., (1972) Sky and Telescope, 44, p. 226
  • Van Beck, H.F.: 1973, PhD Thesis, University of Utrecht

Citas:

---------- APA ----------
Ghielmetti, H.S., Azcárate, I.N. & Mugherli, V.J. (1995) . An X-ray observation in the atmosphere during the August 7, 1972 solar flare. Astrophysics and Space Science, 226(1), 19-26.
http://dx.doi.org/10.1007/BF00626895
---------- CHICAGO ----------
Ghielmetti, H.S., Azcárate, I.N., Mugherli, V.J. "An X-ray observation in the atmosphere during the August 7, 1972 solar flare" . Astrophysics and Space Science 226, no. 1 (1995) : 19-26.
http://dx.doi.org/10.1007/BF00626895
---------- MLA ----------
Ghielmetti, H.S., Azcárate, I.N., Mugherli, V.J. "An X-ray observation in the atmosphere during the August 7, 1972 solar flare" . Astrophysics and Space Science, vol. 226, no. 1, 1995, pp. 19-26.
http://dx.doi.org/10.1007/BF00626895
---------- VANCOUVER ----------
Ghielmetti, H.S., Azcárate, I.N., Mugherli, V.J. An X-ray observation in the atmosphere during the August 7, 1972 solar flare. Astrophys Space Sci. 1995;226(1):19-26.
http://dx.doi.org/10.1007/BF00626895