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The optical and X-ray correlation of the V725 Tau (= A0535+26) variability in 1973-1988статья
- Авторы: Lyutyj V.M., Zajtseva G.V., Latysheva I.D.
- Журнал: Pis'ma v Astronomicheskii Zhurnal
- Том: 15
- Номер: 5
- Год издания: 1989
- Первая страница: 421
- Последняя страница: 428
- Аннотация: The data of the photoelectrical UBV-observations of the X-ray pulsar V725 Tau (= A0535+26) are presented. A high correlation (r = 0.94) of the slow optical variability, pulsar period, and average X-ray flux at the quiescent state have been established as the result of the comparison of all available photometric (since 1973) and X-ray data. It is concluded that the X-ray activity of the object is related with the Be-star's mass loss enhancement, which corresponds to gradual increase of brightness since 1965.
- Добавил в систему: Зайцева Галина Владимировна