A 2 component X-ray spectrum from SMC X-1

Details A 2 component X-ray spectrum from SMC X-1 A 2 component X-ray spectrum from SMC X-1

Sep 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982stin...8315235m&link_type=abstract

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Computer Science

Brightness Temperature, Eclipsing Binary Stars, Stellar Luminosity, Stellar Spectra, Supergiant Stars, X Ray Spectra, Black Body Radiation, Emission Spectra, Heao 1, Heao 2, Photoabsorption, Stellar Winds

Scientific paper

Both HEAO-1 A2 and Einstein SSS observations of SMC X-1 are presented. An unpulsed soft component is found with a blackbody temperature of 0.16 keV and an area for the emission region of 10 to the 15th power sq cm to 10 to the 17th power sq cm. The hard X-ray component is pulsed; the phase averaged spectrum is a power law with alpha approximately 0.5 keV up to 17 keV above which it steepens. The SSS sets an upper limit of 4 x 10 to the 21st power H cm/2 to any absorption and is consistent with that expected from the wind of SK160. Absorption dips with a timescale of several hundred seconds are seen immediately following an eclipse exit and are probably caused by inhomogeneities in the wind of SK160.

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