Line-distortion effects in OB supergiant X-ray binaries

Details Line-distortion effects in OB supergiant X-ray binaries Line-distortion effects in OB supergiant X-ray binaries

Oct 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apj...217..537h&link_type=abstract

Astrophysical Journal, Part 1, vol. 217, Oct. 15, 1977, p. 537-542.

Astronomy and Astrophysics

Astrophysics

10

B Stars, Binary Stars, Line Spectra, O Stars, Supergiant Stars, X Ray Binaries, X Ray Stars, Absorption Spectra, Light Curve, Orbital Elements, Radial Velocity, Stellar Evolution, Stellar Mass, Stellar Models, Temperature Effects

Scientific paper

Calculations have been made of mean line profiles of Si IV, O II, He I, and H for OB supergiants which fill their Roche lobes in a binary system. Account is taken of surface brightness and line-profile variation with surface gravity, radius and temperature, limb darkening, rotation, and some outside heating effects. Radial-velocity distortions and line-strength variations are presented and generalized for the effective-temperature range from 25,000 to 40,000 K. The results are discussed in connection with the five known OB supergiant X-ray binaries.

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