We present a Roche tomography reconstruction of the secondary star in the cataclysmic variable AE Aqr. The tomogram reveals several surface inhomogeneities that...
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PublicaciónRoche tomography of cataclysmic variables - III. Star-spots on AE Aqr
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PublicaciónRoche tomography of cataclysmic variables - IV. Star-spots and slingshot prominences on BV Cen
We present Roche tomograms of the G5-G8 IV/V secondary star in the long-period cataclysmic variable BV Cen reconstructed from Magellan Inamori Kyocera Echelle...
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PublicaciónRoche tomography of cataclysmic variables - VI. Differential rotation of AE Aqr - not tidally locked!
We present Roche tomograms of the K4V secondary star in the cataclysmic variable AE Aqr, reconstructed from two data sets taken 9 d apart, and measure the...
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PublicaciónRoche tomography of cataclysmic variables - VII. The long-term magnetic activity of AE Aqr
We present a long-term study of the secondary star in the cataclysmic variable AE Aqr, using Roche tomography to indirectly image starspots on the stellar...
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PublicaciónRotational broadening and Doppler tomography of the quiescent X-ray nova Centaurus X-4
We present high- and intermediate-resolution spectroscopy of the X-ray nova Centaurus X-4 during its quiescent phase. Our analysis of the absorption features...
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PublicaciónS193: another non-eclipsing SW Sex star
We present time-resolved optical spectroscopy of the cataclysmic variable S193. The emission lines are remarkably similar to those of V795 Her and exhibit high...
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PublicaciónSDSS J123813.73 - 033933.0: A Cataclysmic Variable Evolved Beyond the Period Minimum
We present infrared JHK photometry of the cataclysmic variable (CV) SDSS J123813.73 - 033933.0 and analyze it along with optical spectroscopy, demonstrating...
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PublicaciónSDSS unveils a population of intrinsically faint cataclysmic variables at the minimum orbital period
We discuss the properties of 137 cataclysmic variables (CVs) which are included in the Sloan Digital Sky Survey (SDSS) spectroscopic data base, and for which...
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PublicaciónSearching for flickering statistics in T CrB
We analyse V-band photometry of the aperiodic variability in T CrB. By applying a simple idea of angular momentum transport in the accretion disc, we have...