Superhump and outburst activity of the cataclysmic variable RZ LMi in the U- and optical passbands

Shugarov, S.Y.; Katysheva, N.A.; Chochol, D.; Krushevska, V.N.; Vozyakova, O.V.

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Дата последнего поиска статьи во внешних источниках: 10 августа 2018 г.

Авторы: Shugarov S.Y., Katysheva N.A., Chochol D., Krushevska V.N., Vozyakova O.V.
Журнал: Astrophysics and Space Science
Том: 363
Год издания: 2018
Издательство: Springer Nature
Местоположение издательства: Switzerland
Первая страница: #100-1
Последняя страница: #100-7
DOI: 10.1007/s10509-018-3299-9
Аннотация: An analysis of the new U,B,V,RC,IC-photometry of the cataclysmic variable RZ LMi obtained in 2016-17 showed the largest (U-B) colour excess in quiescence as well as during the decline of brightness, associated with the outbursts activity. The smallest (U-B) colour excess was found during the brightness increase from the quiescence. In contrast to the (U-B) colour index, the (B-V),(V-RC),(RC-IC) colour indices exhibits the largest colour excesses near the maximum of the outburst and the smallest during the quiescence. The (B-V) colour index showed also a large excess 1-2 days before a minimum. The detailed study of superhumps during the maximum of activity reveals the largest (U-B) colour excess at the time of the minimum brightness of superhumps. The (B-RC) colour index exhibits a similar behaviour, but with a phase shift of +0.1-{+}0.2 period of superhumps. The tracks in two-colour and colour-magnitude diagrams during superoutbursts are compared with the data for other cataclysmic variables during their outbursts as well as with published theoretical calculations.
Добавил в систему: Шугаров Сергей Юрьевич

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Superhump and outburst activity of the cataclysmic variable RZ LMi in the U- and optical passbandsстатья

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