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筛选

浏览/检索结果: 共21条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 High plasma cut-off frequency blocks the radio emission from accreting millisecond X-ray pulsar SAX J1808.4-3658 期刊论文  OAI收割 Astrophysics and Space Science, 2020, 卷号: 365, 期号: 3, 页码: 47 作者:  Wang, S. Q.;  Zhang, C. M.;  Wang, D. H.;  Wang, N.;  Wang, J. B.   |  收藏  |  浏览/下载：24/0  |  提交时间：2021/04/12 (Stars:) pulsar: individual: SAX J1808.4-3658  Stars  neutron  X-rays  stars  X-rays  binaries  X-rays: general  neutron-star  magnetic-field  optical counterpart  xmm-newton  binary  evolution  constraints  transient  sax-j1808.4-3658  oscillations  Astronomy & Astrophysics   Distinct tribological behaviors of polyimide composites when rubbing against various metals 期刊论文  OAI收割 Tribology International, 2020, 期号: 146, 页码: 106254 作者:  Qi, Huimin(齐慧敏);  Li, Guitao(李贵涛);  Zhang, Ga(张嘎);  Liu, Gen(刘根);  Yu,Jiaxin()   |  收藏  |  浏览/下载：115/0  |  提交时间：2020/12/13 Metal counterpart  Tribofilm  Tribo-chemistry  Polyimide composites   Probing Tribological Behaviors of Cr‑DLC in Corrosion Solution by Tailoring Sliding Interface 期刊论文  OAI收割 Tribology Letters, 2020, 卷号: 3, 期号: 68, 页码: 95 作者:  Jian Wu;  Guizhi Wu;  Xinli Kou;  Zhibin Lu;  Guangan Zhang   |  收藏  |  浏览/下载：26/0  |  提交时间：2020/11/30 Diamond-like carbon  Counterpart materials  Friction  Corrosion solution   Constraining the X-Ray-Infrared Spectral Index of Second-timescale Flares from SGR 1935+2154 with Palomar Gattini-IR 期刊论文  OAI收割 The Astrophysical Journal, 2020, 卷号: 901, 页码: L7 作者:  HXMT   |  收藏  |  浏览/下载：24/0  |  提交时间：2022/02/08 Radio transient sources  Magnetars  Soft gamma-ray repeaters  2008  992  1471  Astrophysics - High Energy Astrophysical Phenomena  Astrophysics - Instrumentation and Methods for Astrophysics  Abstract: The Galactic magnetar SGR 1935+2154 has been reported to produce the first example of a bright millisecond-duration radio burst (FRB 200428) similar to the cosmological population of fast radio bursts (FRBs). The detection of a coincident bright X-ray burst represents the first observed multiwavelength counterpart of an FRB. However, the search for similar emission at optical wavelengths has been hampered by the high inferred extinction on the line of sight. Here, we present results from the first search for second-timescale emission from the source at near-infrared (NIR) wavelengths using the Palomar Gattini-IR observing system in the J band, enabled by a novel detector readout mode that allows short exposure times of ?0.84 s with 99.9% observing efficiency. With a total observing time of ?12 hr (?47,728 images) during its 2020 outburst, we place median 3Ҡlimits on the second-timescale NIR fluence of ?18 Jy ms (13.1 AB mag). The corresponding extinction-corrected limit is ?125 Jy ms for an estimated extinction of AJ = 2.0 mag. Our observations were sensitive enough to easily detect an NIR counterpart of FRB 200428 if the NIR emission falls on the same power law as observed across its radio to X-ray spectrum. We report nondetection limits from epochs of four simultaneous X-ray bursts detected by the Insight-HXMT and NuSTAR telescopes during our observations. These limits provide the most stringent constraints to date on fluence of flares at 1014 Hz, and constrain the fluence ratio of the NIR emission to coincident X-ray bursts to RNIR ? 0.025 (fluence index ?0.35).   GRID: a student project to monitor the transient gamma-ray sky in the multi-messenger astronomy era 期刊论文  OAI收割 EXPERIMENTAL ASTRONOMY, 2019, 卷号: 48, 期号: 1, 页码: 77-95 作者:  Wen, Jiaxing;  Long, Xiangyun;  Zheng, Xutao;  An, Yu;  Cai, Zhengyang   |  收藏  |  浏览/下载：87/0  |  提交时间：2020/06/16 NEUTRON-STAR  ELECTROMAGNETIC COUNTERPART  KILONOVA  BURSTS  NUCLEOSYNTHESIS  PERFORMANCE  EMISSION   Insight-hxmt observations of the first binary neutron star merger gw170817 期刊论文  iSwitch采集 Science china-physics mechanics & astronomy, 2018, 卷号: 61, 期号: 3, 页码: 8 作者:  Li, Tipei;  Xiong, ShaoLin;  Zhang, ShuangNan;  Lu, FangJun;  Song, LiMing 收藏  |  浏览/下载：174/0  |  提交时间：2019/04/23 Gw170817  Bns merger  Gravitational wave electromagnetic counterpart   Insight-HXMT observations of the first binary neutron star merger GW170817 期刊论文  OAI收割 Science China Physics, Mechanics, and Astronomy, 2018, 卷号: 61, 期号: 3, 页码: 31011 作者:  Zhu, YuXuan;  Zheng, ShiJie;  Zhao, XiaoFan;  Zhao, JianLing;  Zhao, HaiSheng   |  收藏  |  浏览/下载：111/0  |  提交时间：2019/07/11 GW170817  BNS merger  gravitational wave electromagnetic counterpart   Comparative study on tribological mechanisms of polyimide composites when sliding against medium carbon steel and NiCrBSi 期刊论文  OAI收割 Journal of Colloid and Interface Science, 2017, 卷号: 506, 页码: 415-428 作者:  Qi HM(齐慧敏);  Li GT(李贵涛);  Liu G(刘根);  Zhang, Chao;  Zhang G(张嘎)   |  收藏  |  浏览/下载：27/0  |  提交时间：2017/11/24 Polyimide Composites  Counterpart Material  Nicrbsi  Nanoparticles  Tribofilm   Impact of counterpart materials and nanoparticles on the transfer film structures of polyimide composites 期刊论文  OAI收割 Materials and Design, 2016, 卷号: 109, 页码: 367-377 作者:  Qi HM(齐慧敏);  Li GT(李贵涛);  Zhang G(张嘎);  Wang TM(王廷梅);  Wang QH(王齐华) 收藏  |  浏览/下载：35/0  |  提交时间：2016/10/21 Transfer film  Nanostructure  Polyimide composites  Nanoparticles  Counterpart materials   Exploring the influence of counterpart materials on tribological behaviors of epoxy composites 期刊论文  OAI收割 Tribology International, 2016, 卷号: 103, 页码: 566-573 作者:  Qi HM(齐慧敏);  Zhang G(张嘎);  Bernd Wetzel;  Werner Österle;  Wang TM(王廷梅) 收藏  |  浏览/下载：26/0  |  提交时间：2016/10/21 Counterpart materials  Transfer film  Epoxy composites  Nanoparticles