Abstract

X-ray Fe line emission from Cyg X-3 has been detected at an energy of 6.52 + 0.08 keV with the graphite crystal spectrometer on OSO 8. The measured line energy indicates emission from moderately ionized Fe with a line strength of 0.0097 + 0.0043 photons (cm2 s) -1 corresponding to an equivalent width of 220 + 100 eV. Subject headings: line identiflcations - X-rays: binaries - X-rays: spectra

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