X-ray emission from the W UMa system TZ Bootis |
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| Authors: | E. H. Geyer M. Hoffmann |
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| Affiliation: | (1) Observatorium Hoher List der Universitäts-Sternwarte Bonn, Daun, Germany |
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| Abstract: | HEAO-B (Einstein) satellite measurements with the Imaging Proportional Counter revealed the W UMa binary system TZ Bootis as an X-ray source. It is estimated that the luminosity ratioLx/Lvof this system is about 10–3.8 indicating that TZ Bootis is in the transition region between A- and W-type W UMa systems. |
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