Low-Frequency Quasi-Periodic Oscillations in the X-ray Nova MAXI J1535-571 at the Initial Stage of Its 2017 Outburst

被引：14

作者：

Mereminskiy, I. A. ^{[1
]}

Grebenev, S. A. ^{[1
]}

Prosvetov, A. V. ^{[1
]}

Semena, A. N. ^{[1
]}

机构：

[1] Russian Acad Sci, Space Res Inst, Profsoyuznaya Ul 84-32, Moscow 117997, Russia

来源：

ASTRONOMY LETTERS-A JOURNAL OF ASTRONOMY AND SPACE ASTROPHYSICS | 2018年 / 44卷 / 06期

基金：

俄罗斯基础研究基金会;

关键词：

X-ray novae; black holes; disk accretion; X-ray emission; power spectra; low-frequency noise; quasi-periodic oscillations; BLACK-HOLE CANDIDATES; LENS-THIRRING PRECESSION; LOW/HARD STATE; POWER SPECTRA; BINARIES; MISSION; HARD; TELESCOPE; COMPONENT; IMAGER;

D O I：

10.1134/S106377371806004X

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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.

引用

页码：378 / 389

页数：12

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