Negueruela, I.; Reig, P. and Clark, J. S.
(2000).
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| URL: | http://aa.springer.de/bibs/0354001/2300l29/small.h... |
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Abstract
We present low and intermediate resolution spectroscopy of the optical counterpart to the recently discovered pulsating X-ray source 1WGA J1958.2+3232. The presence of strong HI , HeI and HeII emission lines together with the absence of absorption features rules out the possibility that the object is a massive star, as had recently been suggested. The observed X-ray and optical characteristics are consistent with the object being an intermediate polar. The double-peaked structure of the emission lines indicates that an accretion disc is present.
| Item Type: | Journal Item | ||||||
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| Copyright Holders: | 2000 European Southern Observatory (ESO) | ||||||
| ISSN: | 1432-0746 | ||||||
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| Keywords: | close binaries; novae; cataclysmic variables; stellar X-rays | ||||||
| Academic Unit/School: | Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences Faculty of Science, Technology, Engineering and Mathematics (STEM) |
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| Item ID: | 15146 | ||||||
| Depositing User: | Astrid Peterkin | ||||||
| Date Deposited: | 23 Mar 2009 13:40 | ||||||
| Last Modified: | 08 Dec 2018 18:37 | ||||||
| URI: | http://oro.open.ac.uk/id/eprint/15146 | ||||||
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