Astrophysical: Novae

  • Publication
    Roche 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...
  • Publication
    Roche 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...
  • Publication
    Rotational 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...
  • Publication
    S193: 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...
  • Publication
    SDSS 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...
  • Publication
    SDSS 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...
  • Publication
    Searching 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...
  • Publication
    Searching for nova shells around cataclysmic variables - II. A second campaign
    We report on our second campaign to search for old nova shells around cataclysmic variables (CVs). Our aim was to test the theory that nova eruptions cause...
  • Publication
    Searching for the next Galactic Luminous red nova
    Luminous red novae (LRNe) are astrophysical transients believed to be caused by the partial ejection of a binary star's common envelope (CE) and the merger of...