Ultraviolet spectral variations in LMC x-4 and SMC X-1

Details Ultraviolet spectral variations in LMC x-4 and SMC X-1 Ultraviolet spectral variations in LMC x-4 and SMC X-1

Apr 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980esasp.157..173b&link_type=abstract

The second European International Ultraviolet Explorer (IUE) Conference, held 26-28 March 1980 in Tübingen, West Germany. Edited

Astronomy and Astrophysics

Astronomy

2

Binary Stars, Iue, Magellanic Clouds, Ultraviolet Astronomy, Absorption Spectra, Disks (Shapes), Light Curve, Lyman Alpha Radiation, Stellar Coronas, Stellar Mass Accretion, X Ray Binaries

Scientific paper

Several low resolution International Ultraviolet Explorer IUE spectra of the massive X-ray binaries LMC X-4 and SMC X-1 were obtained at both short and long wavelengths. Highly ionized resonance lines of N(V), C(IV), and Si (IV) show marked changes with orbital phase, being particularly weak when the X-ray source is in front of the primary; the effect is most striking in LMC X-4. The continuum in each case shows the characteristic double wave light variation seen at visible wavelengths and with similar amplitude.

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