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Information × Registration Number 0213U008148, 0113U007137 , R & D reports Title Binary stars on the main sequence and after it popup.stage_title Head Pavlenko Elena Petrovna, Registration Date 24-12-2013 Organization Scientific-research institute "Crimean asrophysical observatory" of Taras Shevchenko National University of Kyiv popup.description2 A new phenomenon among the SU UMa dwarf novae is discovered: the deviation of the outbursts length from the classical bimodal distribution in the dwarf nova NY Ser for the photometric observations in in 2002 and 2013 yrs. On the base of spectral and photometric observations of the massive binary Ber 86-3 it is shown that mass transfer and angular momentum exchange already has started despite both components are still at the main sequence. The early evolution of the Nova Del 2013 is defined. The physical parameters of the symbiotic system V1413 Aql in 2008-2011 are found. Product Description popup.authors Антонюк Оксана Ігорівна Бабіна Юлія Валерівна Бакланов Олексій Володимирович Сосновський Олексій Олександрович Тарасов Анітолії Євгенович Тарасова Таісія Миколаївна popup.nrat_date 2020-04-02 Close