Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994mit..reptq....c&link_type=abstract
Final Technical Report, 29 Jul. - 3 Aug. 1989 Massachusetts Inst. of Tech., Cambridge. Center for Space Research.
Astronomy and Astrophysics
Astronomy
Eclipsing Binary Stars, Stellar Envelopes, Stellar Models, Stellar Structure, Stellar Winds, X Ray Astronomy, X Ray Binaries, X Ray Spectra, Ginga Satellite, Heating, Ionization, Rosat Mission, Three Dimensional Models
Scientific paper
The x-ray phenomena of the binary system SMC X-1/Sk 160, observed with the Ginga and ROSAT x-ray observatories, are compared with computed phenomena derived from a three dimensional hydrodynamical model of the stellar wind perturbed by x-ray heating and ionization which is described in the accompanying paper. In the model the BOI primary star has a line-driven stellar wind in the region of the x-ray shadow and a thermal wind in the region heated by x-rays. We find general agreement between the observed and predicted x-ray spectra throughout the binary orbit cycle, including the extended, variable, and asymmetric eclipse transitions and the period of deep eclipse.
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