Hunting For Eclipses: High Speed Observations of Cataclysmic Variables
Liam K Hardy, Martin J McAllister, Vik S Dhillon, Stuart P Littlefair,, Madelon C P Bours, Elme Breedt, Tim Butterley, Anurak Chakpor, Puji Irawati,, Paul Kerry, Tom R Marsh, Steven G Parsons, Chris D J Savoury, Richard W, Wilson, Patrick A Woudt
TL;DR
This paper presents high-speed photometric observations of 74 cataclysmic variables, including 47 eclipsing systems with 13 new discoveries, providing detailed light curves, ephemerides, and identifying candidates for future system parameter modeling.
Contribution
It offers the first high-cadence light curves for a large sample of CVs, including new eclipsing systems, and refines their ephemerides for future detailed analysis.
Findings
13 new eclipsing CVs discovered
20 systems suitable for future light curve modeling
High-cadence light curves obtained for all eclipsing systems
Abstract
We present new time-resolved photometry of 74 cataclysmic variables (CVs), 47 of which are eclipsing. 13 of these eclipsing systems are newly discovered. For all 47 eclipsing systems we show high cadence (1-20 seconds) light curves obtained with the high-speed cameras ultracam and ultraspec. We provide new or refined ephemerides, and supply mid-eclipse times for all observed eclipses. We assess the potential for light curve modelling of all 47 eclipsing systems to determine their system parameters, finding 20 systems which appear to be suitable for future study.
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