Low-Frequency Quasi-Periodic Oscillations in the X-ray Nova MAXI J1535-571 at the Initial Stage of Its 2017 Outburst
- Авторы: Mereminskiy I.A.1, Grebenev S.A.1, Prosvetov A.V.1, Semena A.N.1
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Учреждения:
- Space Research Institute
- Выпуск: Том 44, № 6 (2018)
- Страницы: 378-389
- Раздел: Article
- URL: https://ogarev-online.ru/1063-7737/article/view/190639
- DOI: https://doi.org/10.1134/S106377371806004X
- ID: 190639
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Аннотация
We report the discovery of low-frequency quasi-periodic oscillations (QPOs) in the power spectrum of the X-ray nova MAXI J1535-571 at the initial stage of its outburst in September 2017. Based on data from the SWIFT and INTEGRAL instruments, we have traced the evolution of the QPO parameters (primarily their frequency) with time and their correlation with changes in the X-ray spectrum of the source (changes in the emission flux and hardness). We place constraints on the theoretical QPO generation models.
Об авторах
I. Mereminskiy
Space Research Institute
Автор, ответственный за переписку.
Email: i.a.mereminskiy@gmail.com
Россия, Profsoyuznaya ul. 84/32, Moscow, 117997
S. Grebenev
Space Research Institute
Email: i.a.mereminskiy@gmail.com
Россия, Profsoyuznaya ul. 84/32, Moscow, 117997
A. Prosvetov
Space Research Institute
Email: i.a.mereminskiy@gmail.com
Россия, Profsoyuznaya ul. 84/32, Moscow, 117997
A. Semena
Space Research Institute
Email: i.a.mereminskiy@gmail.com
Россия, Profsoyuznaya ul. 84/32, Moscow, 117997
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