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On the ephemeris of the eclipsing polar HU Aquarii. II: New eclipse epochs obtained 2014 - 2018
A. D. Schwope, B. D. Thinius
The magnetic cataclysmic variable HU Aquarii displayed pronounced modulations of its eclipse timing. These were intensively modeled and discussed in recent years in the framework o…
On the space density of X-ray selected cataclysmic variables
A. Schwope
The space density of the various classes of cataclysmic variables (CVs) could only be weakly constrained in the past. Reasons were the small number of objects in complete X-ray flu…
Spectroscopic classification and Gaia DR2 parallaxes of new nearby white dwarfs among selected blue proper motion stars
R. -D. Scholz, H. Meusinger, A. Schwope +2
AIMS: With our low-resolution spectroscopic observing program for selected blue proper motion stars, we tried to find new white dwarfs (WDs) in the solar neighbourhood. METHODS: We…
V902 Monocerotis: a likely disc-accreting intermediate polar
H. Worpel, A. D. Schwope, I. Traulsen +2
Aims: We aim to confirm whether the eclipsing cataclysmic variable V902 Mon is an Intermediate Polar, to characterise its X-ray spectrum and flux, and to refine its orbital ephemer…
The XMM-Newton serendipitous survey. VIII: The first XMM-Newton serendipitous source catalogue from overlapping observations
I. Traulsen, A. D. Schwope, G. Lamer +13
XMM-Newton has observed the X-ray sky since early 2000. The XMM-Newton Survey Science Centre Consortium has published catalogues of X-ray and ultraviolet sources found serendipitou…
Two new magnetic cataclysmic variables discovered in the 3XMM catalogue
N. A. Webb, A. Schwope, I. Zolotukhin +2
X-ray catalogues provide a wealth of information on many source types, ranging from compact objects to galaxies, clusters of galaxies, stars, and even planets. Thanks to the huge v…