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Title: | Contact Binary Variables as X-ray Sources |
Authors: | Vaidya, Kaushar |
Keywords: | Physics X-ray Sources All-Sky Automated Survey (ASAS) W UMa star rotates |
Issue Date: | Aug-2005 |
Publisher: | ARXIV |
Abstract: | We present cross-identification of archived X-ray point sources with W UMa variable stars found in the All-Sky Automated Survey (ASAS). In a surveyed sky area of 300 square degrees of ASAS, 36 W UMa stars have been found associated with X-ray emission. We compute the distances of these W UMa systems and hence their X-ray luminosities. Our data support the "supersaturation" phenomenon seen in these fast rotators, namely that the faster a W UMa star rotates, the weaker its X-ray luminosity. |
URI: | https://arxiv.org/abs/astro-ph/0508632 http://dspace.bits-pilani.ac.in:8080/jspui/xmlui/handle/123456789/14243 |
Appears in Collections: | Department of Physics |
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