LMC X-4, AO538-66 and surrounding X-ray sources observed with EXOSAT |
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| Authors: | M. Pakull H. Brunner W. Pietsch A. Staubert K. Beuermann M. van der Klis J. M. Bonnet-Bidaud |
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| Affiliation: | (1) Institut für Astronomie und Astrophysik, Berlin;(2) Astronomisches Institut, Tübingen;(3) Max-Planck-Institut für Extraterrestrische Physik, Garching;(4) Space Science Department of ESA, ESTEC, Noordwijk;(5) Service d'Astrophysique, Gif-sur-Yvette |
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| Abstract: | Repeated observations of LMC X-4 with EXOSAT were carried out in 1983/84 in order to study its 30.5 day cycle and to cover the expected outbursts of the recurrent LMC transient A0538-66. The latter source was inactive during our campaign although a variable circumstellar envelope was still present around the optical counterpart.At least ten further X-ray sources are detected in the CMA field of view around LMC X-4 including the SNR N49 which is the possible site for the March 5, 1979  -ray burster and N63A which appears to be variable in X-ray luminosity. We furthermore discuss the strongest sources that were not present in a previous EINSTEIN survey of the LMC. |
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