EXOSAT observations of the contact binary VW Cephei |
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Authors: | Osmi Vilhu John Heise |
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Institution: | (1) Observatory and Astrophys. Lab. University of Helsinki, SF-00130, 13 Helsinki, Finland;(2) Space Research Lab., Beneluxlaan 21, 3527 HS Utrecht, The Netherlands |
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Abstract: | EXOSAT observations of the contact binary VW Cephei on 19th March 1984 are presented. The L1-telescope with CMA+thick Lexan filter was used. The observations cover one orbital revolution showing an asymmetrical X-ray light curve. This can be modelled by an active neck, connecting the two stars, and with enhanced coronal regions on the primary star. Nearly simultaneous IUE observations are also presented. The observations form a part of the program to observe contact binaries with EXOSAT. |
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