Changes in the soft and hard X-ray light curves of the AM Her object E1405-451 |
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Authors: | J P Osborne M Cropper S Cristiani |
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Institution: | (1) EXOSAT Observatory, ESOC, Germany;(2) Anglo-Australian Observatory, Australia;(3) European Southern Observatory, Chile |
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Abstract: | The preliminary results of EXOSAT and contemporaneous optical observations of E1405-451 (V834 Cen) in 1985 and 1986 are presented. In the latter of the two observations the soft X-ray light curve was observed to be quite different to that seen in all previous observations, but similar to the optical light curve and the new soft X-ray light curve of E2003+225. A phase shift of the broad soft X-ray eclipse was also observed. The hard X-ray and optical light curves have also undergone small changes.Paper presented at the IAU Colloquium No. 93 on Cataclysmic Variables. Recent Multi-Frequency Observations and Theoretical Developments, held at Dr. Remeis-Sternwarte Bamberg, F.R.G., 16–19 June, 1986. |
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