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On the secondary star of the cataclysmic variable 1RXS J094432.1+035738
R. E. Mennickent, G. Tovmassian, S. V. Zharikov +4
We present V and Rc band photometry and optical near-infrared spectroscopy of the cataclysmic variable 1RXS J094432.1+035738. We detected features of a cool secondary star, which c…
An XMM-Newton timing analysis of the eclipsing polar DP Leo
A. D. Schwope, V. Hambaryan, R. Schwarz
We present an analysis of the X-ray light curves of the magnetic cataclysmic variable DP Leo using recently performed XMM-Newton EPIC and archival ROSAT PSPC observations. We deter…
Implications of the HST/FGS parallax of SS Cygni on the disc instability model
M. R. Schreiber, B. T. Gaensicke
We analyse the consequences of the recently measured parallax of SS Cygni (Harrison et al. 1999) on the accretion disc limit cycle model. Using the observed long term light curve o…
Thermal emission from low-field neutron stars
B. T. Gaensicke, T. M. Braje, R. W. Romani
We present a new grid of LTE model atmospheres for weakly magnetic (B<=10e10G) neutron stars, using opacity and equation of state data from the OPAL project and employing a fully f…
The Intriguing New Cataclysmic Variable KUV03580+0614
Paula Szkody, Boris Gaensicke, Robert E. Fried +2
Photometric and spectroscopic observations of the candidate cataclysmic variable KUV03580+0614, independently found from the Hamburg survey as HS0357+0614, reveal this to be a cata…
A model for the optical high state light curve of AM Herculis
B. T. Gaensicke, A. Fischer, R. Silvotti +1
We present a simple quantitative model that can describe the photometric B and V band light curves of AM Herculis obtained during a high state. The double-humped shape of the V ban…
Phase-resolved HST/STIS spectroscopy of the exposed white dwarf in the high-field polar AR UMa
B. T. Gaensicke, G. D. Schmidt, S. Jordan +1
Phase-resolved HST/STIS ultraviolet spectroscopy of the high-field polar AR UMa confirms that the WD photospheric Ly alpha Zeeman features are formed in a magnetic field of ~200 MG…