Please use this identifier to cite or link to this item: 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
Kalomeni, Belinda
Izmir Institute of Technology. Physics
Keywords: Novae
Binaries
Cataclysmic variables
Stars
Issue Date: May-2012
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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