Astrophysics at The University of Hull
赫尔大学天体物理学
基本信息
- 批准号:ST/R000840/1
- 负责人:
- 金额:$ 87.11万
- 依托单位:
- 依托单位国家:英国
- 项目类别:Research Grant
- 财政年份:2018
- 资助国家:英国
- 起止时间:2018 至 无数据
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The recently founded E.A. Milne Centre for Astrophysics at the University of Hull spans research areas from solar physics to the physics of stars, supermassive black holes, galaxies, clusters of galaxies, and the Universe as a whole. We study the growth and evolution of these cosmic structures as well as the production of chemical elements inside stars and the redistribution of these elements throughout galaxies and their environments. To this end, we use numerical simulations on local, national, and international supercomputers as well as astrophysical observations across the electromagnetic spectrum. Recently, we joined the 4MOST Consortium, building on our Builder Status within RAVE, and are key collaborators in the new TAIPAN survey. Our results from simulations and observations are combined through in-house synergies as well as intense collaboration with international colleagues around the world.Our proposed projects broadly focus on the evolution of galaxies, one of the key challenges named in the STFC Science Roadmap. We study a variety of aspects of the internal physics of galaxies. These include the nucleosynthesis, i.e., production mechanisms of chemical elements, via the i-process in stars of different masses. We will employ computational chemistry to build a flexible and accurate theoretical framework to determine the vibrational signature of carbon-containing molecules adsorbed on surfaces (e.g., interstellar dust) from first principles. Our chemo-dynamical galaxy-scale simulations will show how chemical elements produced in the stars inside galaxies are redistributed and recycled in the next generation of stars. In an exciting venture, we will identify the locations within galaxies most likely to harbour complex biological life, addressing one of the fundamental questions facing humanity.The evolution of galaxies is tightly linked to their external environments which can range from isolated galaxies to galaxies in dense groups or in massive clusters of galaxies. Thus, we will simulate the impact of a group environment on the chemical evolution of galaxies as well as the evolution of galaxies over cosmological timescales. One particular interest is to determine the characteristics of the cosmological habitable zone. Our observational survey data will test our understanding of active galactic nuclei, black holes buried deeply inside galaxies, by quantifying the properties of the active galactic nuclei for galaxies in different environments. In the course of our survey work, we will publish the Southern equivalent of SDSS of a large legacy to the astronomical community. The gas component of galaxies directly links to their environment. Galaxies in galaxy clusters pose a particularly interesting case where the galaxies' molecular and atomic gas, i.e., cold and cool gas (10-10,000 degree), is embedded in the 30 million degree hot cluster atmosphere. The interaction between this cool galactic and hot cluster gas is crucial for, both, the evolution of cluster spiral galaxies and for growth and outbursts of supermassive black holes in the central cluster galaxies, and is a focus of our proposed research. Finally, our goals include developing new classes of solutions in scalar-field cosmology. Our insights into the nature of inflation and dynamical dark energy will inform future high-precision experiments, particularly those designed to detect primordial gravitational waves.Our research is decidedly cross-disciplinary in nature, with expertise drawn from astrophysics, mathematics, and chemistry. Our team combines world-leading experts in nucleosynthesis in stars and supernovae (Pignatari), computational astrochemistry (Benoit), galactic chemical evolution modelling (Gibson, Few), dynamics and gas physics in galaxy clusters (Roediger), extragalactic observations, surveys and galaxy evolution (Pimbblet), and cosmology and void statistics (Chongchitnan).
最近成立的EA米尔恩天体物理学中心在船体大学跨越研究领域从太阳物理学的恒星,超大质量黑洞,星系,星系团的物理学,和宇宙作为一个整体。我们研究这些宇宙结构的生长和演化,以及恒星内部化学元素的产生,以及这些元素在整个星系及其环境中的重新分布。为此,我们使用本地,国家和国际超级计算机上的数值模拟以及整个电磁频谱的天体物理观测。最近,我们加入了4 MOST联盟,在RAVE中建立了我们的Builder Status,并且是新TAIPAN调查的主要合作者。我们的模拟和观测结果通过内部协同以及与世界各地的国际同事的密切合作相结合。我们提出的项目广泛关注星系的演化,这是STFC科学路线图中提到的关键挑战之一。我们研究星系内部物理的各个方面。这些包括核合成,即,化学元素的产生机制,通过不同质量的恒星中的i过程。我们将采用计算化学来建立一个灵活而准确的理论框架,以确定吸附在表面上的含碳分子的振动特征(例如,星际尘埃)的第一原理。我们的化学动力学星系尺度模拟将展示星系内恒星中产生的化学元素如何在下一代恒星中重新分配和循环。在一个令人兴奋的冒险中,我们将确定星系内最有可能拥有复杂生物生命的位置,解决人类面临的一个基本问题。星系的演化与其外部环境密切相关,从孤立的星系到密集的星系群或大规模星系团。因此,我们将模拟一个集团的环境对星系的化学演化的影响,以及在宇宙学的时间尺度上星系的演化。一个特别的兴趣是确定宇宙学可居住带的特征。我们的观测调查数据将通过量化不同环境中星系的活动星系核的性质来测试我们对活动星系核(深埋在星系内部的黑洞)的理解。在我们的调查工作过程中,我们将出版相当于SDSS的南方天文台,这是天文学界的一大遗产。星系的气体成分与其环境直接相关。星系团中的星系团构成了一个特别有趣的情况,星系的分子和原子气体,即,冷的和冷的气体(10- 10,000度),嵌入在3000万度的热的星团大气中。这种冷星系和热星系团气体之间的相互作用对于星系团螺旋星系的演化以及星系团中心星系中超大质量黑洞的生长和爆发都至关重要,并且是我们拟议研究的重点。最后,我们的目标包括在标量场宇宙学中开发新的解决方案。我们对暴胀和暗能量动力学本质的洞察将为未来的高精度实验提供信息,特别是那些旨在探测原始引力波的实验。我们的研究本质上是跨学科的,具有天体物理学,数学和化学的专业知识。我们的团队结合了恒星和超新星核合成(Pignatari),计算天体化学(Benoit),星系化学演化建模(吉布森,Few),星系团动力学和气体物理学(Roediger),河外观测,调查和星系演化(Pimbblet)以及宇宙学和空洞统计学(Chongchitnan)的世界领先专家。
项目成果
期刊论文数量(10)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
The Nucleosynthetic Yields of Core-Collapse Supernovae, prospects for the Next Generation of Gamma-Ray Astronomy
核心塌缩超新星的核合成产量,下一代伽马射线天文学的前景
- DOI:10.48550/arxiv.1912.10542
- 发表时间:2019
- 期刊:
- 影响因子:0
- 作者:Andrews S
- 通讯作者:Andrews S
Galaxy And Mass Assembly (GAMA): The Merging Potential of Brightest Group Galaxies
- DOI:10.3847/1538-4357/ac1c0a
- 发表时间:2021-08
- 期刊:
- 影响因子:0
- 作者:K. Banks;S. Brough;B. Holwerda;A. Hopkins;Á. López-Sánchez;S. Phillipps;K. Pimbblet;A. Robotham
- 通讯作者:K. Banks;S. Brough;B. Holwerda;A. Hopkins;Á. López-Sánchez;S. Phillipps;K. Pimbblet;A. Robotham
The Gaia-ESO Survey: A new approach to chemically characterising young open clusters
盖亚-欧洲南方天文台巡天:一种对年轻疏散星团进行化学表征的新方法
- DOI:10.17863/cam.79422
- 发表时间:2021
- 期刊:
- 影响因子:0
- 作者:Baratella M
- 通讯作者:Baratella M
The Gaia -ESO Survey: a new approach to chemically characterising young open clusters II. Abundances of the neutron-capture elements Cu, Sr, Y, Zr, Ba, La, and Ce
盖亚 -ESO 巡天:一种对年轻疏散星团进行化学表征的新方法 II。
- DOI:10.1051/0004-6361/202141069
- 发表时间:2021
- 期刊:
- 影响因子:6.5
- 作者:Baratella M
- 通讯作者:Baratella M
UVES analysis of red giants in the bulge globular cluster NGC 6522
核球球状星团 NGC 6522 中红巨星的 UVES 分析
- DOI:10.1051/0004-6361/202140815
- 发表时间:2021
- 期刊:
- 影响因子:6.5
- 作者:Barbuy B
- 通讯作者:Barbuy B
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Bradley Gibson其他文献
Bradley Gibson的其他文献
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{{ truncateString('Bradley Gibson', 18)}}的其他基金
Visitors Programme - University of Central Lancashire, Centre for Astrophysics
访客计划 - 中央兰开夏大学天体物理中心
- 批准号:
ST/G003025/1 - 财政年份:2009
- 资助金额:
$ 87.11万 - 项目类别:
Research Grant
Galactic Archaeology: Unveiling the History of the Milky Way
银河考古学:揭开银河系的历史
- 批准号:
ST/F002432/1 - 财政年份:2008
- 资助金额:
$ 87.11万 - 项目类别:
Research Grant
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