Email this article Low-Frequency Quasi-Periodic Oscillations in the X-ray Nova MAXI J1535-571 at the Initial Stage of Its 2017 Outburst
- Authors: Mereminskiy I.A.1, Grebenev S.A.1, Prosvetov A.V.1, Semena A.N.1
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Affiliations:
- Space Research Institute
- Issue: Vol 44, No 6 (2018)
- Pages: 378-389
- Section: Article
- URL: https://journal-vniispk.ru/1063-7737/article/view/190639
- DOI: https://doi.org/10.1134/S106377371806004X
- ID: 190639
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Abstract
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.
About the authors
I. A. Mereminskiy
Space Research Institute
Author for correspondence.
Email: i.a.mereminskiy@gmail.com
Russian Federation, Profsoyuznaya ul. 84/32, Moscow, 117997
S. A. Grebenev
Space Research Institute
Email: i.a.mereminskiy@gmail.com
Russian Federation, Profsoyuznaya ul. 84/32, Moscow, 117997
A. V. Prosvetov
Space Research Institute
Email: i.a.mereminskiy@gmail.com
Russian Federation, Profsoyuznaya ul. 84/32, Moscow, 117997
A. N. Semena
Space Research Institute
Email: i.a.mereminskiy@gmail.com
Russian Federation, Profsoyuznaya ul. 84/32, Moscow, 117997
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