Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993uate.reptq....s&link_type=abstract
Final Report, 15 Aug. 1991 - 14 Feb. 1993 Arizona State Univ., Tempe.
Astronomy and Astrophysics
Astronomy
Black Holes (Astronomy), Eclipsing Binary Stars, Light Curve, Stellar Radiation, Transient Oscillations, X Ray Astronomy, X Ray Binaries, Magellanic Clouds, Rosat Mission, Spectral Energy Distribution, Visual Observation, X Ray Fluorescence
Scientific paper
The initial goal of this project was to examine the quiescent X-ray light curve of the recurrent X-ray/optical nova Cen X-4 throughout its 15.1-hr orbital period. Using these observations the pre-outburst conditions of the binary would be investigated and the relationship between soft X-ray transients and persistent low-mass X-ray binaries would be established. ROSAT-PSPC observations were scheduled for 1991 August 9-13. Unfortunately, failure of the satellite's attitude control system near the end of the all-sky survey severely curtailed science operations for much of 1991, and the requested observations of Cen X-4 were never taken. Since the stated goal could not be accomplished, the time and resources of this project were used in support of two other ROSAT programs for which I am co-investigator: 'Identification of LMC X-ray Sources Using ROSAT-HRI Images' and 'X-ray Light Curve for an Eclipsing Black-Hole Binary'. The results of these investigations are described.
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