Dr John Taylor j.k.taylor@keele.ac.uk
The ultra-compact binary candidate KUV 23182+1007 is a bright quasar
Southworth, J.; Schwope, A.; Gaensicke, B.T.; Schreiber, M.R.
Authors
A. Schwope
B.T. Gaensicke
M.R. Schreiber
Abstract
KUV 23182+1007 was identified as a blue object in the Kiso UV Survey in the 1980s. Classification-dispersion spectroscopy showed a featureless continuum except for a strong emission line in the region of He II 4686 A. This is a hallmark of the rare AM CVn class of cataclysmic variable star, so we have obtained a high-S/N blue spectrum of this object to check its classification. Instead, the spectrum shows a strong quasar-like emission line centred on 4662 A. Comparison with the SDSS quasar template spectra confirms that KUV 23182+1007 is a quasar with a redshift of z = 0.665.
Citation
Southworth, J., Schwope, A., Gaensicke, B., & Schreiber, M. (2007). The ultra-compact binary candidate KUV 23182+1007 is a bright quasar. arXiv,
Journal Article Type | Article |
---|---|
Acceptance Date | Jun 6, 2007 |
Publication Date | Jun 6, 2007 |
Journal | arXiv.org |
Print ISSN | 2331-8422 |
Publisher | Cornell University |
Peer Reviewed | Peer Reviewed |
Keywords | astrophysics |
Publisher URL | http://arxiv.org/abs/0706.0809# |
Files
0706.0809v1.pdf
(141 Kb)
PDF
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