Post-outburst photometry of the classical nova V2468 Cygni

Авторы: Chochol D., Shugarov S., Pribulla T., Volkov I.
Сборник: Memorie della Societa Astronomica Italiana
Том: 83
Год издания: 2012
Первая страница: 767
Последняя страница: 771
Аннотация: We present UBVR_CI_C CCD photometry of a "Fe II" type classical fast nova V2468 Cyg, which underwent an outburst in March 2008. Our Halpha spectra of the nova, taken 10 and 16 days after the outburst, show the presence of an outer envelope accelerated by wind. The B and V photometric light curves of the nova were used to determine its basic parameters: absolute magnitude at maximum MV,max = -8.70± 0.07, interstellar extinction E(B-V) = 0.79±0.01 and distance d = 5.4±0.6 kpc. During the first 100 days after the outburst, the light curve of the nova exhibited small flares with the cycle of 2.36 days, later replaced by larger flares with the cycle of 64 days. V observations in 2011 allowed to find quasi-periodic oscillations with the periods in the range of 21 to 50 minutes and a possible orbital period of the nova of 0.1699 days.
Добавил в систему: Шугаров Сергей Юрьевич

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