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浏览/检索结果: 共52条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择提交时间升序提交时间降序发表日期升序发表日期降序题名升序题名降序作者升序作者降序 Optical and X-Ray Observations of MAXI J1820+070 During the Early Outburst Phase in 2018: Zooming in the Low Frequency QPOs* 期刊论文  OAI收割 RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2022, 卷号: 22, 期号: 4 作者:  Mao, Dong-Ming;  Yu, Wen-Fei;  Zhang JJ(张居甲);  Yan, Zhen;  Rapisarda, Stefano   |  收藏  |  浏览/下载：47/0  |  提交时间：2022/04/02 X-ray stars  Low mass binary stars  X-ray transient sources   The Wide Field Monitor onboard the Chinese-European X-ray mission eXTP 期刊论文  OAI收割 SPACE TELESCOPES AND INSTRUMENTATION 2022: ULTRAVIOLET TO GAMMA RAY, 2022, 卷号: 12181, 页码: 121811Y 作者:  eXTP   |  收藏  |  浏览/下载：4/0  |  提交时间：2023/11/09 X-ray timing  X-ray spectroscopy  compact objects: black holes  neutron stars and white dwarfs  gamma-ray bursts  X-ray bursts  gravitational wave events  silicon drift detectors  coded mask imaging   A study on the hysteresis effect and spectral evolution in the mini-outbursts of balck hole X-ray binary XTE J1550-564 期刊论文  OAI收割 Frontiers in Astronomy and Space Sciences, 2021, 卷号: 8, 页码: 37 作者:  Dong, Ai-Jun;  Liu, Chang;  Ge, Kang;  Liu, Xiang;  Zhi, Qi-Jun   |  收藏  |  浏览/下载：19/0  |  提交时间：2022/06/30 accretion  accretion discs  stars: black holes  X-ray binaries  -X-rays: individual: XTE J1550-564   Evolution of LMXBs under Different Magnetic Braking Prescriptions 期刊论文  OAI收割 ASTROPHYSICAL JOURNAL, 2021, 卷号: 909, 期号: 2, 页码: 174 作者:  Deng, Zhu-Ling;  Li, Xiang-Dong;  Gao, Zhi-Fu;  Shao, Yong   |  收藏  |  浏览/下载：9/0  |  提交时间：2021/04/23 Binary pulsars  Neutron stars  X-ray binary stars   Re-estimating the Spin Parameter of the Black Hole in Cygnus X-1 期刊论文  OAI收割 The Astrophysical Journal, 2021, 卷号: 908, 期号: 2 作者:  Zhao,Xueshan;  Gou,Lijun;  Dong,Yanting;  Zheng,Xueying;  Steiner,James F.   |  收藏  |  浏览/下载：11/0  |  提交时间：2021/12/06 X-ray binary stars  Black hole physics  High energy astrophysics   Synchronous X-ray/Optical QPOs from the Black Hole LMXB MAXI J1820+070 期刊论文  OAI收割 Monthly Notices of the Royal Astronomical Society, 2021 作者:  HXMT   |  收藏  |  浏览/下载：42/0  |  提交时间：2022/02/08 black hole physics  Low Mass X-ray Binaries  accretion  accretion  discs  stars: individual (MAXI J1820+070)  Astrophysics - High Energy  Astrophysical Phenomena  Abstract: We present high-speed optical photometry from SAAO and SALT on the black hole LMXB MAXI J1820+070 (ASSASN-18ey), some of it simultaneous with NICER, Swift and Insight-HXMT X-ray coverage. We detect optical Quasi-Periodic Oscillations (QPOs) that move to higher frequencies as the outburst progresses, tracking both the frequency and evolution of similar X-ray QPOs previously reported. Correlated X-ray/optical data reveal a complex pattern of lags, including an anti-correlation and a sub-second lag that evolve over the first few weeks of outburst. They also show correlated components separated by a lag equal to the QPO period roughly centered on zero lag, implying that the inter-band variability is strongly and consistently affected by these QPOs at a constant phase lag of roughly ±Ю The synchronisation of X-ray and optical QPOs indicates that they must be produced in regions physically very close to each other  we thus propose that they can be explained by a precessing jet model, based on analogies with V404 Cyg and MAXI J1348-630.   Insight-HXMT Observations of a Possible Fast Transition from the Jet- to Wind-dominated State during a Huge Flare of GRS 1915+105 期刊论文  OAI收割 The Astrophysical Journal Letters, 2021, 卷号: 906, 期号: 1 作者:  Kong,L. D.;  Zhang,S.;  Chen,Y. P.;  Zhang,S. N.;  Ji,L.   |  收藏  |  浏览/下载：9/0  |  提交时间：2021/12/06 Black holes  X-ray binary stars  Relativistic jets  Accretion  Magnetic fields   A Multiwavelength Study of PSR J1119-6127 after 2016 Outburst 期刊论文  OAI收割 ASTROPHYSICAL JOURNAL, 2020, 卷号: 902, 期号: 2, 页码: 11 作者:  Wang, H-H;  Lin, L. C-C;  Dai, S.;  Takata, J.;  Li, K. L.   |  收藏  |  浏览/下载：33/0  |  提交时间：2020/11/30 Penumbra  Periodic variable stars  Photographic astrometry  Polar caps  Proton-proton reaction  X-ray bright point  X-ray point sources  Plasma astrophysics  Phase error  Phase effect  Model selection  Neutron stars   Formation and Evolution of Ultraluminous X-Ray Pulsar Binaries to Pulsar-Neutron Star and Pulsar-White Dwarf Systems 期刊论文  OAI收割 The Astrophysical Journal, 2020, 卷号: 902, 页码: 125 作者:  Abdusalam, K.;  Ablimit, Iminhaji;  Hashim, P.;  Lü, G. -L.;  Mardini, M. K.   |  收藏  |  浏览/下载：41/0  |  提交时间：2021/06/25 Binary stars  Close binary stars  X-ray binary stars  Pulsars  Gravitational wave sources  White dwarf stars  Compact objects  154  254  1811  1306  677  1799  288  Astrophysics - High Energy  Astrophysical Phenomena   Two Complete Spectral Transitions of Swift J0243.6+6124 Observed by Insight-HXMT 期刊论文  OAI收割 The Astrophysical Journal, 2020, 卷号: 902, 期号: 1 作者:  Kong,L. D.;  Zhang,S.;  Chen,Y. P.;  Zhang,S. N.;  Ji,L.   |  收藏  |  浏览/下载：8/0  |  提交时间：2021/12/06 Accretion  Stellar accretion disks  Binary pulsars  Magnetic fields  Neutron stars  X-ray binary stars  X-ray astronomy