Broad-band X-ray observations of CIR X-1

Details Broad-band X-ray observations of CIR X-1 Broad-band X-ray observations of CIR X-1

Aug 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995adspr..16...91m&link_type=abstract

Advances in Space Research (ISSN 0273-1177), vol. 16, no. 3, p. 91-94

Astronomy and Astrophysics

Astronomy

3

Broadband, Compton Effect, Spectrum Analysis, X Ray Astronomy, X Ray Binaries, Absorption Spectra, Black Body Radiation, Energy Spectra, Hydrogen, Iron, Mir Space Station, Stellar Luminosity

Scientific paper

We present broad-band (2-88 keV) X-ray observations of the X-ray binary Cir X-1 with the TTM and HEXE instruments on board of the Mir space station. The observations were made in January/February 1989. The spectrum is best described by a model with 3 components: a blackbody at low energies, an iron line and a Comptonized hard continuum. The spectrum is variable during our observations; when the Comptonized component becomes harder, the spectrum becomes softer below 15 keV. The high-energy spectrum resembles that of X-ray binary pulsars.

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