Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983ap%26ss..95..137d&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 95, no. 1, Sept. 1983, p. 137-144. Research supported by the Australian Re
Astronomy and Astrophysics
Astrophysics
5
Astronomical Spectroscopy, Emission Spectra, Thermal Emission, X Ray Sources, Balloon-Borne Instruments, Bremsstrahlung, Radiant Flux Density, Spectral Energy Distribution, Stellar Models
Scientific paper
Balloon observations of the X-ray source Sco X-1 carried out in November 1978 have revealed a thermal spectrum with kT ≅ 7 keV in the 20 - 60 keV energy band. In addition, there was evidence of a high energy component, possibly variable, above ≡50 keV. The spectral form of this component could not be determined but was hard with a 60 keV flux of ≡10-4 photons (keV cm2 s)-1.
Duldig Marc L.
Fenton K. B.
Greenhill John G.
Thomas Rajat M.
Watts Duncan J.
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