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Discovery of an Accretion-rate Independent Absolute RMS Amplitude of Millihertz Quasi-periodic Oscillations in 4U 1636-53
Lyu, Ming1; Méndez, Mariano2; Altamirano, D.3; Zhang GB(张国宝)4,5; Mancuso, G. C.3,6,7
发表期刊ASTROPHYSICAL JOURNAL
2019-11-01
卷号885期号:1页码:6
DOI10.3847/1538-4357/ab44a6
产权排序第4完成单位
收录类别SCI
关键词methods: data analysis stars: neutron X-rays: binaries
摘要

We investigate the frequency and amplitude of the millihertz quasi-periodic oscillations (mHz QPOs) in the neutron-star low-mass X-ray binary 4U 1636-53 using Rossi X-ray Timing Explorer observations. We find that no mHz QPOs appear when the source is in the hard spectral state. We also find that there is no significant correlation between the frequency and the fractional RMS amplitude of the mHz QPOs. Notwithstanding, for the first time, we find that the absolute rms amplitude of the mHz QPOs is insensitive to the parameter S-a, which measures the position of the source in the color-color diagram and is usually assumed to be an increasing function of mass accretion rate. This finding indicates that the transition from marginally stable burning to stable burning or unstable burning could happen very rapidly since, before the transition, the mHz QPOs do not gradually decay as the rate further changes.

资助项目National Natural Science Foundation of China[11803025] ; Hunan Provincial Natural Science Foundation[2018JJ3483] ; Hunan Education Department Foundation[17C1520] ; Royal Society ; National Natural Science Foundation of China (NSFC)[U1838116] ; CAS Pioneer Hundred Talent Program[Y7CZ181002] ; Royal Society International Exchanges program ; CONICET[PIP 0102] ; ANPCyT[PICT-2017-2865]
语种英语
学科领域天文学 ; 天体物理学 ; 高能天体物理学
学科门类理学 ; 理学::天文学
文章类型Article
出版者IOP PUBLISHING LTD
出版地TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN0004-637X
URL查看原文
WOS记录号WOS:000494860600006
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]X-RAY BINARIES ; VARIABILITY ; BURSTS ; NOISE ; QPOS ; FLUX
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/21439
专题高能天体物理研究组
中国科学院天体结构与演化重点实验室
通讯作者Lyu, Ming
作者单位1.Department of Physics, Xiangtan University, Xiangtan, Hunan 411105, People's Republic of China
2.Kapteyn Astronomical Institute, University of Groningen, P.O. Box 800, NL-9700 AV Groningen, The Netherlands
3.Physics & Astronomy, University of Southampton, Southampton, Hampshire SO17 1BJ, UK
4.Yunnan Observatories, Chinese Academy of Sciences (CAS), Kunming 650216, People's Republic of China
5.Key Laboratory for the Structure and Evolution of Celestial Objects, CAS, Kunming 650216, People's Republic of China
6.Instituto Argentino de Radioastronomía (CCT-La Plata, CONICET; CICPBA), C.C. No. 5, 1894 Villa Elisa, Argentina
7.Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La Plata, Paseo del Bosque s/n, 1900 La Plata, Argentina
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Lyu, Ming,Méndez, Mariano,Altamirano, D.,et al. Discovery of an Accretion-rate Independent Absolute RMS Amplitude of Millihertz Quasi-periodic Oscillations in 4U 1636-53[J]. ASTROPHYSICAL JOURNAL,2019,885(1):6.
APA Lyu, Ming,Méndez, Mariano,Altamirano, D.,Zhang GB,&Mancuso, G. C..(2019).Discovery of an Accretion-rate Independent Absolute RMS Amplitude of Millihertz Quasi-periodic Oscillations in 4U 1636-53.ASTROPHYSICAL JOURNAL,885(1),6.
MLA Lyu, Ming,et al."Discovery of an Accretion-rate Independent Absolute RMS Amplitude of Millihertz Quasi-periodic Oscillations in 4U 1636-53".ASTROPHYSICAL JOURNAL 885.1(2019):6.
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