Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...225l.113s&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor, vol. 225, Nov. 1, 1978, p. L113, L114.
Astronomy and Astrophysics
Astrophysics
14
Binary Stars, Bremsstrahlung, White Dwarf Stars, X Ray Spectra, X Ray Stars, Balloon-Borne Instruments, Energy Spectra, Luminous Intensity, Oso-8, Satellite Observation, Spaceborne Telescopes, X Ray Telescopes
Scientific paper
The X-ray binary system AM Herculis has been observed with a balloon-borne telescope in the energy range 16-120 keV. The intensity in the 16-38-keV range is the same as measured by OSO 8 but drops sharply beyond this energy. For 38-80 keV a 2-sigma upper limit of 0.000017 photon/sq cm per sec/keV is found. When this is combined with the OSO 8 data for 2-60 keV, the total spectrum can be represented by a thermal bremsstrahlung law with kT of approximately 18 keV.
Kendziorra Eckhard
Pietsch Wolfgang
Reppin Claus
Staubert Rüdiger
Truemper Joachim
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