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ULTRACAM observations of two CV pulsators
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Copperwheat, C. M., Marsh, T. R., Dhillon, V. S., Littlefair, S. P., Woudt, P. A. and Gaensicke, B. T. (2008) ULTRACAM observations of two CV pulsators. In: 3rd International Workshop on Hydrogen-Deficient Stars, Tubingen, Germany, 17-21 Sep 2007. Published in: Hydrogen-deficient stars : proceedings of a workshop held at Eberhard Karls University, Tübingen, Germany, 17-21 September 2007, Vol.391 pp. 289-292. ISBN 978-1-58381-652-3. ISSN 978-1-58381-652-3.
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Official URL: http://www.aspbooks.org/a/volumes/table_of_content...
Abstract
Photometric observations of some dwarf novae have shown periodic variation, which has been attributed to non-radial pulsations of the white dwarf. Our high time-resolution observations of two of these objects (GW Librae and SDSS J161033.64-010223.3) in quiescence show the strong pulsations modes reported by previous authors, as well as some additional periodicities with much smaller amplitudes. We also observed GW Lib some months after outburst. bind find the heating of the white dwarf has suppressed the pulsations.
| Item Type: | Conference Item (Paper) | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QB Astronomy | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Library of Congress Subject Headings (LCSH): | Telescopes, Radio astronomy, Dwarf novae, White dwarf stars, Stellar oscillations | ||||
| Journal or Publication Title: | Hydrogen-deficient stars : proceedings of a workshop held at Eberhard Karls University, Tübingen, Germany, 17-21 September 2007 | ||||
| Publisher: | Astronomical Society of the Pacific | ||||
| ISBN: | 978-1-58381-652-3 | ||||
| ISSN: | 978-1-58381-652-3 | ||||
| Editor: | Werner, K and Rauch, T | ||||
| Official Date: | July 2008 | ||||
| Dates: |
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| Volume: | Vol.391 | ||||
| Number of Pages: | 4 | ||||
| Page Range: | pp. 289-292 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Conference Paper Type: | Paper | ||||
| Title of Event: | 3rd International Workshop on Hydrogen-Deficient Stars | ||||
| Type of Event: | Workshop | ||||
| Location of Event: | Tubingen, Germany | ||||
| Date(s) of Event: | 17-21 Sep 2007 | ||||
| Related URLs: |
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