Clusters, starbursts and feedback into the environments of galaxies

星团、星暴和对星系环境的反馈

基本信息

批准号：
ST/F00267X/1
负责人：
Michael Barlow
金额：
$ 63.19万
依托单位：
University College London
依托单位国家：
英国
项目类别：
Research Grant
财政年份：
2008
资助国家：
英国
起止时间：
2008 至无数据
项目状态：
已结题

来源：
https://gtr.ukri.org/projects?ref=ST%2FF00267X%2F1
关键词：
Clusters starbursts feedback into environments

项目摘要

Each new generation of stars in our own and other galaxies contributes to the enrichment of the interstellar medium (ISM) in heavy elements. Over time, these heavy elements, which may be injected as gas or dust particles, and the outflows that carry them, progressively modify the way that new stars and planets form, as well as the overall properties of the galaxies themselves. Gaining a greater understanding of star formation and the ISM evolution of galaxies, and their interplay, has provided the motivation for the construction of a large number international facilities, including ALMA and the planned JCMT surveys, the VLT and Gemini 8-m telescopes, the Spitzer Space Telescope, the Herschel Space Observatory and the James Webb Space Telescope. The co-applicants on the current proposal are heavily involved in research in this area and plan to use these facilities to tackle a number of outstanding problems. These include the role of young star clusters in driving outflows from starburst galaxies; the relative contributions of supernovae and evolved stars to the dust enrichment of galaxies; determining the structures of hot cores in star formation regions via chemical evolution models; investigating the cycling of gas and dust between diffuse clouds and dark clouds; investigating how star-forming regions at high redshifts can be studied via their molecular emission; developing a 3D radiative transfer code to self-consistently treat clumped photodissociation regions located around ionized nebulae, in order to interpret forthcoming observations by ESA's Herschel Space Observatory; and investigating molecular processes in a number of extreme astrophysical environments.

每个新一代的恒星和其他星系都在沉重的元素中促进了星际介质（ISM）的富集。随着时间的流逝，这些重型元素可能被注射为气体或灰尘颗粒，以及携带它们的流出，逐渐改变了新恒星和行星形成的方式，以及星系本身的整体特性。对星系的恒星形成和ISM的进化有了更深入的了解，以及它们的相互作用，为建造大量国际设施提供了动机，包括Alma和计划中的JCMT调查，VLT和Gemini 8-M TeleScopes，Spitzer Spitzer Space望远镜，Herschel Space observation，Herschel Space observatory和James web space telesscope。当前提案中的共同申请参与了该领域的研究，并计划使用这些设施来解决许多杰出问题。其中包括年轻明星簇在从星爆星系中流出的流出中的作用；超新星和恒星对星系浓缩的相对贡献；通过化学演化模型确定恒星形成区域中热核的结构；研究弥漫云与乌云之间的气体和灰尘循环；研究如何通过分子发射来研究高红移处的星形区域；为了解释ESA的Herschel空间天文台即将进行的观察，开发一个3D辐射转移代码以自耦合位于离子化星云周围的结块光解离区域。并研究许多极端天体物理环境中的分子过程。