机构

• 国家天文台 [17]
• 上海天文台 [16]
• 高能物理研究所 [4]
• 云南天文台 [3]
• 紫金山天文台 [2]
• 数学与系统科学研究院 [1]
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• OAI收割 [42]
• iSwitch采集 [1]

内容类型

• 期刊论文 [43]

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• 2021 [1]
• 2020 [7]
• 2019 [6]
• 2017 [2]
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• 2015 [4]
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学科主题

• Astronomy ... [3]
• 星系和宇宙学研究中心 [2]
• 天文学 [1]
• 天文学::天体物理学 [1]
• 天文学::天体物理学... [1]
• 天文学::天体物理学... [1]
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筛选

浏览/检索结果: 共43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 Merging stellar and intermediate-mass black holes in dense clusters: implications for LIGO, LISA, and the next generation of gravitational wave detectors 期刊论文  OAI收割 ASTRONOMY & ASTROPHYSICS, 2021, 卷号: 652, 页码: 17 作者:  Sedda, Manuel Arca;  Seoane, Pau Amaro;  Chen, Xian   |  收藏  |  浏览/下载：55/0  |  提交时间：2021/10/26 black hole physics  gravitational waves  globular clusters: general  Galaxy: general   Effects of Spin on Constraining the Seeds and Growth of ?109M⊙ Supermassive Black Holes in z > 6.5 Quasars 期刊论文  OAI收割 The Astrophysical Journal Letters, 2020, 卷号: 903, 期号: 1 作者:  Zhang,Xiaoxia;  Lu,Youjun;  Fang,Taotao   |  收藏  |  浏览/下载：21/0  |  提交时间：2021/12/06 Accretion  Black hole physics  Early universe  Galaxy nuclei  Quasars  Supermassive black holes   Extracting the Possible Intrinsic Relation between the Radiative Efficiency and Mass of QSOs: A Maximum Likelihood Method and its Application to the SDSS DR7 QSOs 期刊论文  OAI收割 The Astrophysical Journal, 2020, 卷号: 902, 期号: 1 作者:  Zhang,Fupeng;  Lu,Youjun   |  收藏  |  浏览/下载：21/0  |  提交时间：2021/12/06 Quasars  black hole physics  Supermassive black holes  Accretion  Galaxy accretion disks   Research on the Double-peaked Emission-line Galaxies from LAMOST Survey 期刊论文  OAI收割 PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2020, 卷号: 132, 期号: 1012, 页码: 3 作者:  Wang, Mengxin   |  收藏  |  浏览/下载：22/0  |  提交时间：2021/12/06 Galaxy physics  Galaxy kinematics  Galactic and extragalactic astronomy interactions   On the Power to Constrain the Accretion History of Massive Black Holes via Spin Measurements by Upcoming X-Ray Telescopes 期刊论文  OAI收割 The Astrophysical Journal, 2020, 卷号: 896, 期号: 1 作者:  Zhang,Xiaoxia;  Lu,Youjun;  Wang,Dandan;  Fang,Taotao   |  收藏  |  浏览/下载：21/0  |  提交时间：2021/12/06 Accretion  black hole physics  Galaxy nuclei   On the Cooling Flow Problem in the Gaseous Halo of the Milky Way 期刊论文  OAI收割 ASTROPHYSICAL JOURNAL, 2020, 卷号: 894, 期号: 1, 页码: 11 作者:  Fang, Xiang-Er;  Guo, Fulai;  Yuan, Ye-Fei   |  收藏  |  浏览/下载：13/0  |  提交时间：2021/12/06 Circumgalactic medium  Hydrodynamical simulations  Galaxy physics  the Milky Way  Plasma astrophysics  Galaxy evolution  Cooling flows  Galaxy processes   Toward a Full MHD Jet Model of Spinning Black Holes. II. Kinematics and Application to the M87 Jet 期刊论文  OAI收割 ASTROPHYSICAL JOURNAL, 2020, 卷号: 894, 期号: 1, 页码: 12 作者:  Huang, Lei;  Pan, Zhen;  Yu, Cong   |  收藏  |  浏览/下载：17/0  |  提交时间：2021/12/06 Magnetic fields  Magnetohydrodynamics  black hole physics  Galaxy jets  Relativistic jets   Comparison of simulated backgrounds with in-orbit observations for HE, ME, and LE onboard Insight-HXMT 期刊论文  OAI收割 Astrophysics and Space Science, 2020, 卷号: 365, 页码: 158 作者:  HXMT   |  收藏  |  浏览/下载：49/0  |  提交时间：2022/02/08 Insight-HXMT  Geant4 simulation  Background observation  Astrophysics  - Instrumentation and Methods for Astrophysics  Abstract: Insight-HXMT, the first X-ray astronomical satellite in China, aims to reveal new sources in the Galaxy and to study fundamental physics of X-ray binaries from 1 to 250 keV. It has three collimated telescopes, the High Energy X-ray telescope (HE), the Medium Energy X-ray telescope (ME), and the Low Energy X-ray telescope (LE). Before the launch, in-orbit backgrounds of these three telescopes had been estimated through Geant4 simulation, in order to investigate the instrument performance and the achievement of scientific goals. In this work, these simulated backgrounds are compared with in-orbit observations. Good agreements are shown for all three telescopes. For HE, (1) the deviation of the simulated background rate after two years of operation in space is 5 % from the observation  (2) the total background spectrum and the relative abundance of the 67 keV line show long-term increases both in simulations and observations. For ME, (1) the deviation of simulated background rate is within 15 % from the observation, and (2) there are no obvious long-term increase features in the background spectra of simulations and observations. For LE, the background level given by simulations is also consistent with observations. The consistencies of these comparisons validate that the Insight-HXMT mass model, i.e., space environment components and models adopted, physics processes selected, and detector constructions built, is reasonable. However, the line features at 7.5 and 8.0 keV, which are obvious in the observed spectra of LE, are not evident in simulations. This might result from uncertainties in the LE constructions.   First M87 Event Horizon Telescope Results. II. Array and Instrumentation 期刊论文  OAI收割 ASTROPHYSICAL JOURNAL LETTERS, 2019, 卷号: 875, 期号: 1, 页码: 28 作者:  Akiyama, Kazunori;  Alberdi, Antxon;  Alef, Walter;  Asada, Keiichi;  Azulay, Rebecca   |  收藏  |  浏览/下载：212/0  |  提交时间：2019/05/20 black hole physics  galaxies: individual (M87)  Galaxy: center  gravitational lensing: strong  instrumentation: interferometers  techniques: high angular resolution   A Deep Chandra View of a Candidate Parsec-scale Jet from the Galactic Center Supermassive Black Hole 期刊论文  OAI收割 ASTROPHYSICAL JOURNAL, 2019, 卷号: 875, 期号: 1, 页码: 12 作者:  Zhu, Zhenlin;  Li, Zhiyuan;  Morris, Mark R.;  Zhang, Shuo;  Liu, Siming   |  收藏  |  浏览/下载：71/0  |  提交时间：2019/05/20 black hole physics  Galaxy: center  ISM: jets and outflows  radiation mechanisms: non-thermal  X-rays: individual (G359.944-0.052)