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A Phase-resolved View of the Low-frequency Quasiperiodic Oscillations from the Black Hole Binary MAXI J1820+070
期刊论文
ASTROPHYSICAL JOURNAL, 2023, 卷号: 957, 期号: 2
作者:
Shui, Qing C.
;
Zhang, S.
;
Zhang, Shuang N.
;
Chen, Yu P.
;
Kong, Ling D.
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2024/03/29
Application of Ultra Narrow Band Modulation in Enhanced Loran System
期刊论文
SENSORS, 2021, 卷号: 21, 期号: 13, 页码: 12
作者:
Lyu, Boyun
;
Hua, Yu
;
Yuan, Jiangbin
;
Li, Shifeng
收藏
  |  
浏览/下载:30/0
  |  
提交时间:2021/11/29
data rate
enhanced Loran (eLoran) system
extended binary phase shift keying (EBPSK) modulation
ultra narrow band (UNB) modulation
CSS J213934.3-050020: A New Double-mode High-amplitude delta Scuti-type Pulsating Star
期刊论文
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2021, 卷号: 133, 期号: 1023, 页码: 8
作者:
Shi XD(施相东)
;
Qian SB(钱声帮)
;
Li LJ(李临甲)
;
Zhao EG(赵二刚)
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  |  
浏览/下载:60/0
  |  
提交时间:2021/06/07
High-speed focusing and scanning light through a multimode fiber based on binary phase-only spatial light modulation
期刊论文
APPLIED PHYSICS B-LASERS AND OPTICS, 2021, 卷号: 127, 期号: 2
作者:
Geng, Yi
;
Chen, Hui
;
Zhang, Zaikun
;
Zhuang, Bin
;
Guo, Haitao
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  |  
浏览/下载:76/0
  |  
提交时间:2021/02/22
Discovery of oscillations above 200 keV in a black hole X-ray binary with Insight-HXMT
期刊论文
Nature Astronomy, 2021, 卷号: 5, 页码: 94
作者:
Ma, Xiang
;
Tao, Lian
;
Zhang, Shuang-Nan
;
Zhang, Liang
;
Bu, Qing-Cui
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  |  
浏览/下载:67/0
  |  
提交时间:2021/11/18
A Gamma-Ray Periodic Modulation in Globular Cluster 47 Tucanae
期刊论文
ASTROPHYSICAL JOURNAL LETTERS, 2020, 卷号: 904, 期号: 2, 页码: 5
作者:
Zhang, Peng-Fei
;
Zhou, Jia-Neng
;
Yan DH(闫大海)
;
Yan, Jing-Zhi
;
Fan, Yi-Zhong
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  |  
浏览/下载:70/0
  |  
提交时间:2020/12/28
Globular star clusters
Gamma-rays
Binary pulsars
Periodic orbit
Discovery of oscillations above 200 keV in a black hole X-ray binary with Insight-HXMT
期刊论文
Nature Astronomy, 2020
作者:
Xiang Ma
;
Lian Tao
;
Shuang-Nan Zhang
;
Liang Zhang
;
Qing-Cui Bu
;
Ming-Yu Ge
;
Yu-Peng Chen
;
Jin-Lu Qu
;
Shu Zhang
;
Fang-Jun Lu
;
Li-Ming Song
;
Yi-Jung Yang
;
Feng Yuan
;
Ce Cai
;
Xue-Lei Cao
;
Zhi Chang
;
Gang Chen
;
Li Chen
;
Tian-Xiang Chen
;
Yi-Bao Chen
;
Yong Chen
;
Wei Cui
;
Wei-Wei Cui
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  |  
浏览/下载:12/0
  |  
提交时间:2020/09/23
Dynamic Scattering Steering with Graphene-Based Coding Metamirror
期刊论文
ADVANCED OPTICAL MATERIALS, 2020, 页码: 8
作者:
Zhang, Jin
;
Zhang, Heng
;
Yang, Weixu
;
Chen, Ke
;
Wei, Xingzhan
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  |  
浏览/下载:33/0
  |  
提交时间:2020/08/24
coding metasurfaces
diffusion
dynamic control
graphene
scattering
Long-distance underwater optical wireless communication with PPLN wavelength conversion
会议论文
Shanghai, China, 2020-10-17
作者:
Yang, Yi
;
Fan, Lirong
;
He, Fengtao
;
Song, Yuqin
;
Duan, Zuoliang
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  |  
浏览/下载:46/0
  |  
提交时间:2021/01/20
Underwater Optics Wireless communication
Nonlinear Optics
Second harmonic generation
Timing analysis of Swift J1658.2-4242's outburst in 2018 with Insight-HXMT, NICER and AstroSat
期刊论文
Journal of High Energy Astrophysics, 2019, 卷号: 24, 页码: 30-40
作者:
HXMT
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浏览/下载:43/0
  |  
提交时间:2022/02/08
Accretion
accretion disks
Black hole physics
X-rays: binaries:
Swift J1658.2-4242
Astrophysics - High Energy Astrophysical Phenomena
Abstract: We present the observational results from a detailed timing analysis of the black hole candidate Swift J1658.2-4242 during its 2018 outburst with the observations of Hard X-ray Modulation Telescope (Insight-HXMT), Neutron Star Interior Composition Explorer (NICER) and AstroSat in 0.1-250 keV. The evolution of intensity, hardness and integrated fractional root mean square (rms) observed by Insight-HXMT and NICER are presented in this paper. Type-C quasi-periodic oscillations (QPOs) observed by NICER (0.8-3.5 Hz) and Insight-HXMT (1-1.6 Hz) are also reported in this work. The features of the QPOs are analyzed with an energy range of 0.5-50 keV. The relations between QPO frequency and other characteristics such as intensity, hardness and QPO rms are carefully studied. The timing and spectral properties indicate that Swift J1658.2-4242 is a black hole binary system. Besides, the rms spectra of the source calculated from the simultaneous observation of Insight-HXMT, NICER and AstroSat support the Lense-Thirring origin of the QPOs. The relation between QPO phase lag and the centroid frequency of Swift J1658.2-4242 reveals a near zero constant when < 4Hz and a soft phase lag at 6.68 Hz. This independence follows the same trend as the high inclination galactic black hole binaries such as MAXI J1659-152.
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