The nature of 1WGA J1958.2+3232: A new intermediate polar

Negueruela, I.; Reig, P. and Clark, J. S. (2000). The nature of 1WGA J1958.2+3232: A new intermediate polar. Astronomy and Astrophysics, 354(1), L29-L32.

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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 Article
ISSN:	1432-0746
Funders:	European Union Training and Mobility of Researchers Network [grant number ERBFMRX/CT98/0195]
Keywords:	stars: individual, 1WGA J1958.2+3232; stars: binaries, close; stars: novae, cataclysmic variables; book reviews; X-rays: stars
Academic Unit/Department:	Science > Physical Sciences
Interdisciplinary Research Centre:	Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Item ID:	15146
Depositing User:	Astrid Peterkin
Date Deposited:	23 Mar 2009 13:40
Last Modified:	12 Feb 2012 20:34
URI:	http://oro.open.ac.uk/id/eprint/15146

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