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https://hdl.handle.net/11147/5496
Title: | Short and Long Time-Scale Variability in Magnetic Cataclysmic Variables: Long-Term Monitoring of Polars | Authors: | Kalomeni, Belinda | Keywords: | Novae Binaries Cataclysmic variables Stars |
Publisher: | Oxford University Press | Source: | Kalomeni, B. (2012). Short and long time-scale variability in magnetic cataclysmic variables: Long-term monitoring of polars. Monthly Notices of the Royal Astronomical Society, 422(2), 1601-1608. doi:10.1111/j.1365-2966.2012.20736.x | Abstract: | We present long-term observations of the magnetic cataclysmic variables AM Her, AN UMa, AR UMa, DP Leo and V1309 Ori. Analyses of both short- and long-period light variations are presented. For the first time, as far as we know, long-period variations of AN UMa and AR UMa have been studied and multiple frequencies obtained. Fourier analysis indicates 170-, 218- and 180-d variations for AM Her, AN UMa and AR UMa, respectively. These periodicities may be due to modulation of the mass-transfer rate resulting from magnetic cycles in the secondary stars. In addition, we collect the physical parameters of polars from the literature and estimate their mass-transfer rates and orbital period variation and give a rough estimation of the donor magnetic fields. | URI: | http://dx.doi.org/10.1111/j.1365-2966.2012.20736.x http://hdl.handle.net/11147/5496 |
ISSN: | 1365-2966 0035-8711 |
Appears in Collections: | Physics / Fizik Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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