Orbital variability in the wind of the massive X-ray binary HD 153919/4U1700-37

Details Orbital variability in the wind of the massive X-ray binary HD 153919/4U1700-37 Orbital variability in the wind of the massive X-ray binary HD 153919/4U1700-37

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.263..475h&link_type=abstract

In ESA Proceedings of an International Symposium on New Insights in Astrophysics. Eight Years of UV Astronomy with IUE p 475-47

Astronomy and Astrophysics

Astrophysics

4

Orbits, Stellar Spectra, Stellar Winds, X Ray Binaries, Iue, Line Spectra, Ultraviolet Spectra

Scientific paper

New and archival high resolution IUE spectra of HD 153919, the optical counterpart to 4U 1700-37, have been examined for evidence of the Hatchett-McCray effect. Although the resonance lines of C IV, N V and Si IV are too heavily saturated to be very useful, the subordinate line of N IV at 1718 Å, in particular, clearly shows orbital variability in the correct sense to be explained as the removal of parent ions by the X-ray flux from the neutron star.

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