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V518 Persei = GRO J0422+32статья Краткое сообщение
- Авторы: Iyudin A., Haberl F.
- Журнал: IAU Circulars
- Том: 6738
- Номер: 1
- Год издания: 1997
- Первая страница: 1
- Последняя страница: 1
- Аннотация: V518 PERSEI = GRO J0422+32 A. Iyudin and F. Haberl, Max-Planck-Institut fur Extraterrestrische Physik, report: "V518 Per (= GRO J0422+32) was again spotted in two mini-outbursts starting on Mar. 24 (3.1 mCrab, significance > 5.1 sigma) and July 23 (3.3 mCrab, significance > 4.6 sigma). These mini-outbursts of V518 Per, together with that reported on IAUC 6605, confirmed the outburst period of about 120 days, suspected on the basis of earlier x-ray and optical measurements (op.cit.). The periodical nova outbursts confirm similarities between V518 Per and the low-mass binary system Aql X-1 in the timing sequence and in the decrease of the peak-flux amplitude for the consecutive outbursts. The flux values during mini-outbursts were derived under the assumption of a Crab-like power-law spectrum. The data were analyzed from the publicly available ASM quick-look results (op.cit.). Observations of V518 Per at other wavelengths are strongly encouraged at the times of the suspected periodical outbursts."
- Добавил в систему: Июдин Анатолий Федорович