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Far-UV FUSE spectra of peculiar magnetic cataclysmic variables
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Mouchet, M., Bonnet-Bidaud, J. -M., Roueff, E., Abada-Simon, M., Beuermann, K., de Martino, D., Desert, J. -M., Ferlet, R., Fried , R., Gaensicke, B. T. (Boris T.), Howell, S., Mukai, K., Porquet, D. and Szkody, Paula (2004) Far-UV FUSE spectra of peculiar magnetic cataclysmic variables. In: Magnetic Cataclysmic Variables, IAU Colloquium 190, Cape Town, South Africa, 8-13 Dec 2002. Published in: Magnetic Cataclysmic Variables, IAU Colloquium 190, Proceedings of the Conference held 8-13 December, 2002 in Cape Town, South Africa, Volume 315 p. 142.
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Official URL: http://adsabs.harvard.edu/abs/2004ASPC..315..142M
Abstract
We present far-UV spectra of the three magnetic cataclysmic variables (MCVs) BY Cam, V1309 Ori and AE Aqr obtained with the FUSE satellite. These MCVs have revealed strongly unusual NV and CIV UV resonance lines. The FUSE spectra exhibit broad OVI lines as well as a strong NIII line at 991A, while the CIII 1175A line is nearly absent, supporting non-solar CNO abundances of the accreting matter in these sources. The spectrum of BY Cam shows molecular H2 lines which might be of circumstellar nature. The flaring activity of AE Aqr is also observed in the far-UV range. The radial velocities of the broad OVI components in AE Aqr are orbitally modulated and would indicate an emission region close to the magnetosphere.
| Item Type: | Conference Item (Paper) | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Journal or Publication Title: | Magnetic Cataclysmic Variables, IAU Colloquium 190, Proceedings of the Conference held 8-13 December, 2002 in Cape Town, South Africa | ||||
| Publisher: | Astronomical Society of the Pacific Conference Proceedings | ||||
| Official Date: | December 2004 | ||||
| Dates: |
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| Volume: | Volume 315 | ||||
| Page Range: | p. 142 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Conference Paper Type: | Paper | ||||
| Title of Event: | Magnetic Cataclysmic Variables, IAU Colloquium 190 | ||||
| Type of Event: | Conference | ||||
| Location of Event: | Cape Town, South Africa | ||||
| Date(s) of Event: | 8-13 Dec 2002 |
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