Sounding the Stars---the Birmingham and Queen Mary Seismology Programme

探星——伯明翰和玛丽皇后地震学计划

• 批准号: ST/J001163/1
• 负责人: Yvonne Elsworth
• 金额: $ 118.75万
• 依托单位: University of Birmingham
• 依托单位国家: 英国
• 项目类别: Research Grant
• 财政年份: 2012
• 资助国家: 英国
• 起止时间: 2012 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=ST%2FJ001163%2F1
• 关键词: Sounding; Stars; Birmingham; Queen; Mary

We are entering a golden era for studies of the Sun and stars, thanksin particular to new satellite observations of unprecedented qualityand scope. These data are making it possible to investigate largenumbers of stars using asteroseismology, the study of stars byobservation and analysis of their intrinsic oscillations.Significant uncertainties in our understanding of stars (including theSun) have a direct impact on wider areas of astronomy, e.g.,calibration of distances on extra-galactic scales, fixing the ages ofthe oldest stellar populations (which place tight constraints oncosmologies), and tracing the chemical evolution ofgalaxies. State-of-the-art studies of stars are also crucial to acomplete understanding of the formation and evolution of exoplanetarysystems, and inferences made on stars from asteroseismology allowdirect constraints to be placed on exoplanet properties (e.g., sizes,locations in habitable zones, ages etc.). Asteroseismic studies ofmagnetic activity, and variability, provide information on how starsinteract with their local environments (with obvious implications forexoplanet habitability). Stars are the visible building-blocks of theUniverse and the nearest star to us, the Sun, is vital to life onEarth. The internal mechanisms responsible for solar activity, and itsvariability, lie at one end of the chain stretching from the Sun tothe Earth. Variability of the Sun remains poorly understood. The Sunalso plays the role of a fundamental calibrator, and reference, fordifferent areas of stellar structure and stellar evolutiontheory. Hence, elucidating the details of its structure and dynamicsis key, not only in the context of understanding the Sun, but alsoother stars.This programme of research is a joint bid between the seismologygroups at the University of Birmingham (UoB) and Queen Mary,University of London (QMUL). It brings together world-leadingexpertise from UoB and QMUL in asteroseismology and helioseismology,with projects on observation, data analysis and modelling of the Sunand solar-type stars, red giants, and massive main-sequence stars.The programme will make use of state-of-the-art asteroseismicobservations by the NASA Kepler Mission and the French-led CoRoTsatellite, of solar-type stars, red giants and massive main-sequencestars. In studies of the Sun, UoB will continue to run the BirminghamSolar-Oscillations Network (BiSON), collecting world-leading data onmodes that penetrate the solar core.Our programme of research will develop and apply new methods for estimatingaccurate and precise stellar properties, and for mapping the internalstructures and dynamics of the stars. We shall also provide thecleanest picture yet of the core of our own star, the Sun; andestablish whether the recent, unusual activity behaviour of the Sunhas left any significant, long-standing changes, or "scars", beneathits visible surface.

我们正在进入一个研究太阳和恒星的黄金时代，特别要感谢前所未有的质量和范围的新卫星观测。这些数据使得使用星震学研究大量恒星成为可能，星震学是通过观察和分析恒星的内在振荡来研究恒星的。我们对恒星（包括太阳）的理解的重大不确定性对更广泛的天文学领域产生了直接影响，例如，校准银河系外尺度的距离，确定最古老恒星群的年龄（这对宇宙学有严格的限制），并追踪星系的化学演化。最先进的恒星研究对于完全理解系外行星系统的形成和演化也至关重要，从星震学对恒星进行的推断可以直接限制系外行星的性质（例如，大小、在可居住区域中的位置、年龄等）。对磁活动和磁变的天文地震研究提供了恒星如何与其周围环境相互作用的信息（对行星的可居住性有明显的影响）。恒星是宇宙可见的组成部分，而离我们最近的星星，太阳，对地球上的生命至关重要。负责太阳活动及其变化的内部机制位于从太阳到地球的链条的一端。太阳的变化仍然知之甚少。太阳还扮演着基本的校准器和参考的角色，用于恒星结构和恒星演化理论的不同领域。因此，阐明其结构和动力学的细节是关键，不仅在了解太阳的背景下，但也其他恒星。这项研究计划是伯明翰大学（UoB）和伦敦大学（QMUL）的玛丽女王大学（QMUL）之间的地震组的联合投标。该方案汇集了不列颠哥伦比亚大学和昆士兰大学在星震学和日震学方面的世界领先的专门知识，开展了对太阳和太阳型恒星、红巨星和大质量主序星进行观测、数据分析和建模的项目，该方案将利用美国航天局开普勒使命任务和法国领导的CoRoT卫星对太阳型恒星、红巨星和大质量主序星进行的最先进的星震观测。在对太阳的研究中，UoB将继续运行伯明翰太阳振荡网络（野牛），收集世界领先的关于穿透太阳核心的模式的数据。我们的研究计划将开发和应用新的方法来估计准确和精确的恒星属性，并绘制恒星的内部结构和动力学。我们还将提供我们自己的星星--太阳--的核心的最清晰的图像，并确定太阳最近不寻常的活动行为是否在其可见表面下留下了任何重大的、长期的变化或“伤疤”。

项目成果

Fundamental stellar properties from asteroseismology

星震学的恒星基本特性

• DOI: 10.1017/s1743921313006583
• 发表时间: 2014
• 期刊: Proceedings of the International Astronomical Union
• 作者: Aguirre V

Oscillation mode frequencies of 61 main-sequence and subgiant stars observed by Kepler

• DOI: 10.1051/0004-6361/201218948
• 发表时间: 2012-04
• 期刊: Astronomy and Astrophysics
• 影响因子: 6.5
• 作者: T. Appourchaux;W. Chaplin;R. García;M. Gruberbauer;G. Verner;H. M. Antia;O. Benomar;T. Campante;G. Davies;S. Deheuvels;R. Handberg;S. Hekker;R. Howe;C. R'egulo;D. Salabert;T. Bedding;T. White;J. Ballot;S. Mathur;V. S. Aguirre;Y. Elsworth;S. Basu;R. Gilliland;J. Christensen-Dalsgaard;H. Kjeldsen;K. Uddin;Martin C. Stumpe;T. Barclay

Erratum: A sub-Mercury-sized exoplanet

勘误表：一颗亚水星大小的系外行星

• DOI: 10.1038/nature12067
• 发表时间: 2013
• 期刊: Nature
• 影响因子: 64.8
• 作者: Barclay T

Narrow-band search of continuous gravitational-wave signals from Crab and Vela pulsars in Virgo VSR4 data

• DOI: 10.1103/physrevd.91.022004
• 发表时间: 2015-01-21
• 期刊: PHYSICAL REVIEW D
• 影响因子: 5
• 作者: Aasi, J.;Abbott, B. P.;Zweizig, J.
• 通讯作者: Zweizig, J.

Developing a well-received pre-matriculation program: the evolution of MedFIT.

制定广受好评的预科课程：MedFIT 的演变。

• DOI: 10.1007/978-3-319-11970-0_12
• 发表时间: 2022
• 期刊: Discover education
• 作者: Allen A