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Newly discovered cataclysmic variables from the INT/WFC photometric Hα survey of the northern Galactic plane
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Witham, Andrew, Knigge, Christian, Aungwerojwit, A., Drew, J. E., Gaensicke, B. T., Greimel, R., Groot, P. J., Roelofs, Gijs H. A., Steeghs, D. and Woudt, P. A. (2007) Newly discovered cataclysmic variables from the INT/WFC photometric Hα survey of the northern Galactic plane. Monthly Notices of the Royal Astronomical Society, Vol.382 (No.3). pp. 1158-1168. doi:10.1111/j.1365-2966.2007.12426.x
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WRAP_Steeghs_Newly Discovered Cataclysmic Variables_0710.5163v1.pdf - Accepted Version Download (914Kb) | Preview |
Official URL: http://dx.doi.org/10.1111/j.1365-2966.2007.12426.x
Abstract
We report the discovery of 11 new cataclysmic variable (CV) candidates by the Isaac Newton Telescope (INT) Photometric H alpha Survey of the northern Galactic plane (IPHAS). Three of the systems have been the subject of further follow-up observations. For the CV candidates IPHAS J013031.90+622132.4 and J051814.34+294113.2, time-resolved optical spectroscopy has been obtained and radial-velocity measurements of the H alpha emission line have been used to estimate their orbital periods. A third CV candidate (IPHAS J062746.41+014811.3) was observed photometrically and found to be eclipsing. All three systems have orbital periods above the CV period gap of 2-3 h. We also highlight an other system, IPHAS J025827.88+635234.9, whose spectrum distinguishes it as a likely high-luminosity object with unusual C and N abundances.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QB Astronomy | ||||
| Divisions: | Faculty of Science > Physics | ||||
| Library of Congress Subject Headings (LCSH): | Cataclysmic variable stars | ||||
| Journal or Publication Title: | Monthly Notices of the Royal Astronomical Society | ||||
| Publisher: | Wiley | ||||
| ISSN: | 0035-8711 | ||||
| Official Date: | 11 December 2007 | ||||
| Dates: |
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| Volume: | Vol.382 | ||||
| Number: | No.3 | ||||
| Number of Pages: | 11 | ||||
| Page Range: | pp. 1158-1168 | ||||
| DOI: | 10.1111/j.1365-2966.2007.12426.x | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | Particle Physics and Astronomy Research Council (Great Britain) (PPARC), Thailand, Smithsonian Astrophysical Observatory, Science and Technology Facilities Council (Great Britain) (STFC) | ||||
| Related URLs: |
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