Publication
HS 0943+1404, a true intermediate polar
We have identified a new intermediate polar, HS 0943+1404, as part of our ongoing search for cataclysmic variables in the Hamburg Quasar Survey. The orbital and...
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PublicationHubble Space Telescope and Ground-based Observations of V455 Andromedae Post-outburstHubble Space Telescope spectra obtained in 2010 and 2011, 3 and 4 yr after the large amplitude dwarf nova outburst of V455 And, were combined with optical...
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PublicationHunting for eclipses: high-speed observations of cataclysmic variablesWe present new time-resolved photometry of 74 cataclysmic variables (CVs), 47 of which are eclipsing. Thirteen of these eclipsing systems are newly discovered...
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PublicationImaging the cool stars in the interacting binaries AE Aqr, BV Cen and V426 OphIt is well known that magnetic activity in late-type stars increases with increasing rotation rate. Using inversion techniques akin to medical imaging, the...
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PublicationIPHAS J062746.41+014811.3: A Deeply Eclipsing Intermediate PolarWe present time-resolved photometry of a cataclysmic variable discovered in the Isaac Newton Telescope Photometric Hα Survey of the northern galactic plane...
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PublicationIrradiation of the secondary star in X-ray Nova Scorpii 1994 (=GRO J1655-40)We have obtained intermediate resolution optical spectra of the black-hole candidate Nova Sco 1994 in June 1996, when the source was in an X-ray/optical active...
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TalkIs the riddle of the astronomical Li origin solved?Lithium is a key element which plays an important role in astronomy as well as everyday human life. Nevertheless it is probably the only element whose...
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PublicationIs the symbiotic recurrent nova T CrB late? Recent photometric evolution and comparison with past pre-outburst behaviourT CrB is a symbiotic recurrent nova that last erupted in 1946. Given its recurrence time-scale of approximately 80 yr, the next outburst is eagerly anticipated...
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PublicationJHKLM photometry of Nova Cygni 1978JHKLM photometry of Nova Cygni 1978 taken over the period 1978 September 20-26 is presented. Evidence for a strong depression in the L band is noted. There is...