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Volkov I.M.,Universitetskij Prospect 13 | Chochol D.,Slovak Academy of Sciences
Contributions of the Astronomical Observatory Skalnate Pleso | Year: 2014

New photoelectric and CCD observations of minima times of the detached eccentric eclipsing binary BW Aqr extended the span of its precise minima times to forty years. We used them to determine the apsidal motion rate of the binary to be ω = 0.°062(3) yr-1. Source


Chochol D.,Slovak Academy of Sciences | Katysheva N.A.,Universitetskij Prospect 13 | Shugarov S.Y.,Slovak Academy of Sciences | Shugarov S.Y.,Universitetskij Prospect 13 | And 2 more authors.
AIP Conference Proceedings | Year: 2010

Time series analysis of multicolour CCD photometry of a new WZ Sge-type dwarf nova V466 And, discovered during its superoutburst in September 2008, revealed the early superhumps, with the period 0.056383 d in the first 11 days, the ordinary superhumps with the period 0.05713 d in the days 13-23 and late superhumps, with unstable period of about 0.056 d in the days 24-33 of the superoutburst. Thereafter, the dwarf nova returned to its pre-outburst state. © 2010 American Institute of Physics. Source

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