Outbursts of selected dwarf novas and postnovas

Авторы: Pavlenko E.P., Shugarov S.Yu, Baklanova D.N., Katysheva N.A.
Журнал: Bulletin of the Crimean Astrophysical Observatory
Том: 104
Номер: 1
Год издания: 2008
Первая страница: 109
Последняя страница: 118
DOI: 10.3103/S0190271708010142
Аннотация: Observations are presented of selected cataclysmic variables (the dwarf novas V1504 Cyg and GO Com and the postnovas Q Cyg, V446 Her, and DI Lac) carried out at the Crimean Astrophysical Observatory and the Crimean Laboratory of the Sternberg Astronomical Institute in 1995–2007. The outburst parameters and the behavior of these objects on the “magnitude (V)-color (V-R)” diagram are described. The tracks of postnova outbursts on this diagram are similar to the dwarf-nova behavior. On average, all the studied systems show a break on the “brightness-color” dependence. The color V-R before the break increases more weakly than after it or does not increase at all. Key words: dwarf novas active postnovas V1504 Cyg GO Com V446 Her Q Cyg DI Lac
Добавил в систему: Катышева Наталья Андреевна

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