Collaborative Research: Accretion Dynamics of Black Hole Mergers
合作研究:黑洞合并的吸积动力学
基本信息
- 批准号:1516150
- 负责人:
- 金额:$ 33.73万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2015
- 资助国家:美国
- 起止时间:2015-09-01 至 2019-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
It is estimated that somewhere in the universe a few pairs of supermassive black holes merge every single year, leaving behind a still more massive single black hole at the centers of the galaxies where this occurs. The energy released is enormous, and the effect on galactic evolution profound, but no such event has ever been identified because the overwhelming majority of the energy is released in gravitational waves, which are as yet undetectable. This project will characterize the visible light signals that should be given off by nearby gas under the influence of the event, using complex numerical simulations. Training in these techniques will be of great value for the future activities of the junior researchers on the team.Although there should be sufficient gas close enough to the merger events to give off visible radiation, the character of any emitted signals is unknown. Particular questions include in which band most of the light will emerge, what is its spectrum, and how does the radiated power vary in time? This work will start to answer these questions. The extremely complex interaction between the surrounding gas and a pair of black holes bound to one another involves strongly nonlinear physics, including magnetohydrodynamic (MHD) turbulence, shocks, and dynamical spacetimes, which can only be tackled numerically. This requires carefully structured simulations using radiation transfer post-processing to predict key observable features, using the team's new infrastructure that supports consistent MHD calculations on separate grids and across qualitatively different spacetimes. Calculations with astrophysically plausible parameters should identify unique photon signals for observers to locate black holes on their way to merger.This computational system should also be useful to many other astrophysical simulations. The work will train a number of graduate students and post-doctoral fellows in the techniques of large-scale numerical simulation, skills that are valuable far beyond the confines of astrophysical research. The team is active in outreach both to non-science students and to the general public, including work to engage deaf and hard-of-hearing students in the sciences.
据估计,在宇宙的某个地方,每年都会有几对超大质量黑洞合并,在发生这种情况的星系中心留下一个更大的黑洞。 释放的能量是巨大的,对银河系演化的影响是深远的,但从来没有发现过这样的事件,因为绝大多数能量是以引力波的形式释放的,而引力波目前还无法检测到。 该项目将使用复杂的数值模拟来描述受事件影响的附近气体应该发出的可见光信号。 这些技术方面的培训对小组中的初级研究人员今后的活动将有很大的价值。虽然在足够接近合并事件的地方应该有足够的气体发出可见辐射,但任何发出的信号的性质都是未知的。 特别的问题包括大部分光将出现在哪个波段,它的光谱是什么,以及辐射功率如何随时间变化。这项工作将开始回答这些问题。 周围气体和一对相互束缚的黑洞之间极其复杂的相互作用涉及强非线性物理,包括磁流体动力学(MHD)湍流,激波和动力学时空,这些只能通过数值来解决。 这需要使用辐射转移后处理进行仔细结构化的模拟,以预测关键的可观察特征,使用团队的新基础设施,支持在单独的网格上和在定性不同的时空中进行一致的MHD计算。 用天体物理学上合理的参数进行计算,可以为观测者确定黑洞合并过程中的位置提供独特的光子信号,这个计算系统对许多其他天体物理学模拟也是有用的。 这项工作将培训一些研究生和博士后研究员掌握大规模数值模拟技术,这些技能的价值远远超出了天体物理学研究的范围。 该小组积极向非理科学生和公众开展外联活动,包括努力让聋人和听力障碍学生参与理科。
项目成果
期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Circumbinary Disk Accretion into Spinning Black Hole Binaries
- DOI:10.3847/1538-4357/abf0af
- 发表时间:2021-01
- 期刊:
- 影响因子:0
- 作者:F. L. Lopez Armengol;L. Combi;M. Campanelli;S. Noble;J. Krolik;Dennis B. Bowen;M. Avara;V. Mewes;H. Nakano
- 通讯作者:F. L. Lopez Armengol;L. Combi;M. Campanelli;S. Noble;J. Krolik;Dennis B. Bowen;M. Avara;V. Mewes;H. Nakano
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Manuela Campanelli其他文献
突発的重力波カタログ2(GWTC-2)と重力波物理学
引力波目录 2 (GWTC-2) 和引力波物理学
- DOI:
- 发表时间:
2021 - 期刊:
- 影响因子:0
- 作者:
Hiroyuki Nakano;Brennan Ireland;Manuela Campanelli;Eric J. West;中野寛之 - 通讯作者:
中野寛之
Spinning, Precessing, Black Hole Binary Spacetime via Asymptotic Matching
通过渐近匹配的旋转、进动、黑洞二元时空
- DOI:
10.1088/0264-9381/33/24/247001 - 发表时间:
2016 - 期刊:
- 影响因子:0
- 作者:
Hiroyuki Nakano;Brennan Ireland;Manuela Campanelli;Eric J. West - 通讯作者:
Eric J. West
Multiband gravitational-wave astronomy: Observing binary inspirals
多波段引力波天文学:观测双星螺旋
- DOI:
- 发表时间:
2018 - 期刊:
- 影响因子:0
- 作者:
中野寛之;Brennan Ireland;Ofek Birnholtz;Eric West;Manuela Campanelli;中野 寛之 - 通讯作者:
中野 寛之
Inspiralling, nonprecessing, spinning black hole binary spacetimevia asymptotic matching
通过渐近匹配的吸气、非进动、旋转黑洞二元时空
- DOI:
10.1103/physrevd.93.104057 - 发表时间:
2016 - 期刊:
- 影响因子:0
- 作者:
Brennan Ireland;Bruno C. Mundim;Hiroyuki Nakano;Manuela Campanelli - 通讯作者:
Manuela Campanelli
Inspiraling black-hole binary spacetimes: Challenges in transitioning from analytical to numerical techniques
鼓舞人心的黑洞二元时空:从分析技术过渡到数值技术的挑战
- DOI:
10.1103/physrevd.93.124072 - 发表时间:
2016 - 期刊:
- 影响因子:0
- 作者:
Yosef Zlochower;Hiroyuki Nakano;Bruno C. Mundim;Manuela Campanelli;Scott Noble;Miguel Zilhao - 通讯作者:
Miguel Zilhao
Manuela Campanelli的其他文献
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{{ truncateString('Manuela Campanelli', 18)}}的其他基金
Collaborative Research: Deploying Curvilinear Coordinate and Multipatch Methods on Neutron Star Mergers
合作研究:在中子星合并中部署曲线坐标和多面体方法
- 批准号:
2110338 - 财政年份:2021
- 资助金额:
$ 33.73万 - 项目类别:
Standard Grant
MRI: Acquisition of a Computing System for Large Simulation Data Sets in Multimessenger Astrophysics
MRI:获取多信使天体物理学中大型模拟数据集的计算系统
- 批准号:
2018420 - 财政年份:2020
- 资助金额:
$ 33.73万 - 项目类别:
Standard Grant
WoU-MMA: Collaborative Research: Supermassive Binary Black Hole Mergers: Accretion Dynamics and Electromagnetic Output
WoU-MMA:合作研究:超大质量双黑洞合并:吸积动力学和电磁输出
- 批准号:
2009330 - 财政年份:2020
- 资助金额:
$ 33.73万 - 项目类别:
Standard Grant
Supermassive Black Holes Approaching Merger: Accretion Dynamics, Jets and Electromagnetic Signals
即将合并的超大质量黑洞:吸积动力学、喷流和电磁信号
- 批准号:
2031744 - 财政年份:2020
- 资助金额:
$ 33.73万 - 项目类别:
Standard Grant
Collaborative Research: Photons from Binary Black Hole Inspirals
合作研究:来自二元黑洞螺旋的光子
- 批准号:
1811228 - 财政年份:2018
- 资助金额:
$ 33.73万 - 项目类别:
Standard Grant
MRI: Acquisition of a Computing Cluster for Gravitational-Wave and Multimessenger Astrophysics in the Era of LIGO Detections
MRI:在 LIGO 探测时代获取用于引力波和多信使天体物理的计算集群
- 批准号:
1726215 - 财政年份:2017
- 资助金额:
$ 33.73万 - 项目类别:
Standard Grant
Collaborative Research: Curvilinear and Multipatch Methods for General Relativistic Astrophysics in the Gravitational Wave Era
合作研究:引力波时代广义相对论天体物理学的曲线和多面体方法
- 批准号:
1707946 - 财政年份:2017
- 资助金额:
$ 33.73万 - 项目类别:
Standard Grant
SI2-SSI: Collaborative Research: Einstein Toolkit Community Integration and Data Exploration
SI2-SSI:协作研究:Einstein Toolkit 社区集成和数据探索
- 批准号:
1550436 - 财政年份:2016
- 资助金额:
$ 33.73万 - 项目类别:
Continuing Grant
Collaborative Research: Predicting the Transient Signals from Galactic Centers: Circumbinary Disks and Tidal Disruptions around Black Holes
合作研究:预测来自银河系中心的瞬态信号:环形盘和黑洞周围的潮汐扰动
- 批准号:
1516125 - 财政年份:2015
- 资助金额:
$ 33.73万 - 项目类别:
Standard Grant
MRI: Acquisition of an Advanced Computing Cluster for General Relativistic Astrophysics
MRI:获取用于广义相对论天体物理学的高级计算集群
- 批准号:
1229173 - 财政年份:2012
- 资助金额:
$ 33.73万 - 项目类别:
Standard Grant
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