Illuminating Galaxy Formation with the Atacama Cosmology Telescope
用阿塔卡马宇宙学望远镜照亮星系的形成
基本信息
- 批准号:2108536
- 负责人:
- 金额:$ 48.35万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2021
- 资助国家:美国
- 起止时间:2021-09-01 至 2024-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
A central goal of extragalactic astrophysics and cosmology is to find answers to questions like: How do galaxies affect their environments? What processes are responsible for shutting off star formation in galaxies? To answer these questions, this research will use a new technique to probe the ionized gas distribution in and around galaxies identified in the NSF-funded Advanced Atacama Cosmology Telescope survey and the Dark Energy Survey, resulting in an improvement of nearly two orders of magnitude over current knowledge. This will set the stage for a further significant increase in sensitivity to follow from the Simons Observatory and the NSF-funded Vera Rubin Observatory, both coming online in the early 2020s. As part of this investigation, the PI will mentor a student from the Columbia University Bridge Program, a two-year post-baccalaureate program that increases the participation of students from under-represented groups in STEM Ph.D. programs, and a summer undergraduate student through the Simons-NSBP Scholars Program, a partnership between the Simons Observatory and the National Society of Black Physicists.After several 3 to 4-sigma detections in the past decade, measurements of the kinematic Sunyaev-Zel’dovich (kSZ) signal are now set to dramatically improve in precision as a result of the NSF-funded Advanced Atacama Cosmology Telescope (ACT) survey and its overlap with large-scale galaxy surveys, particularly the Dark Energy Survey (DES). This project will develop the “projected-field” kSZ estimator, building on the PI’s recent first detection using this tool. Crucially, unlike other kSZ estimators, this approach does not require a spectroscopic redshift for each galaxy. Application of this estimator to data from ACT and DES to measure the projected-field kSZ-galaxy cross-correlation will result in ~60-sigma measurements of this quantity using data already in hand from these surveys.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
河外天体物理学和宇宙学的一个中心目标是找到问题的答案,如:星系如何影响它们的环境?是什么过程阻止了星系中星星的形成? 为了回答这些问题,这项研究将使用一种新技术来探测在NSF资助的高级阿塔卡马宇宙学望远镜调查和暗能量调查中确定的星系内部和周围的电离气体分布,从而比现有知识提高近两个数量级。这将为西蒙斯天文台和NSF资助的Vera Rubin天文台进一步显著提高灵敏度奠定基础,这两个天文台都将在21世纪20年代初上线。 作为这项调查的一部分,PI将指导一名来自哥伦比亚大学桥梁项目的学生,这是一个为期两年的学士后项目,旨在增加来自STEM博士学位代表性不足群体的学生的参与。西蒙斯天文台和美国黑人物理学家协会之间的合作项目西蒙斯-国家自然科学与自然科学研究计划的一名暑期本科生。在过去十年中,由于美国国家科学基金会资助的“先进阿塔卡马宇宙学望远镜”(ACT),对苏尼亚耶夫-泽尔多维奇(kSZ)运动学信号的测量精度现在将大大提高它与大规模星系巡天,特别是暗能量巡天(DES)的重叠。该项目将开发“投影场”kSZ估计器,建立在PI最近首次使用该工具进行检测的基础上。重要的是,与其他kSZ估算方法不同,这种方法不需要每个星系的光谱红移。应用此估算器从ACT和DES的数据来测量投影场kSZ-星系互相关将导致~60-sigma测量这个数量使用的数据已经在手从这些survey.This奖项反映了NSF的法定使命,并已被认为是值得通过使用基金会的智力价值和更广泛的影响审查标准进行评估的支持。
项目成果
期刊论文数量(7)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Cross-correlation of Dark Energy Survey Year 3 lensing data with ACT and Planck thermal Sunyaev-Zel’dovich effect observations. I. Measurements, systematics tests, and feedback model constraints
暗能量调查第 3 年透镜数据与 ACT 和普朗克热 Sunyaev-Zelâdovich 效应观测结果的互相关。
- DOI:10.1103/physrevd.105.123525
- 发表时间:2022
- 期刊:
- 影响因子:5
- 作者:Gatti, M.;Pandey, S.;Baxter, E.;Hill, J. C.;Moser, E.;Raveri, M.;Fang, X.;DeRose, J.;Giannini, G.;Doux, C.
- 通讯作者:Doux, C.
Constraining the galaxy-halo connection of infrared-selected unWISE galaxies with galaxy clustering and galaxy-CMB lensing power spectra
- DOI:10.1103/physrevd.106.123517
- 发表时间:2022-03
- 期刊:
- 影响因子:5
- 作者:A. Kusiak;B. Bolliet;A. Krolewski;J. Hill
- 通讯作者:A. Kusiak;B. Bolliet;A. Krolewski;J. Hill
The SZ flux-mass ( Y – M ) relation at low-halo masses: improvements with symbolic regression and strong constraints on baryonic feedback
低晕质量下的 SZ 通量-质量 ( Y – M ) 关系:符号回归的改进和重子反馈的强约束
- DOI:10.1093/mnras/stad1128
- 发表时间:2023
- 期刊:
- 影响因子:4.8
- 作者:Wadekar, Digvijay;Thiele, Leander;Hill, J. Colin;Pandey, Shivam;Villaescusa-Navarro, Francisco;Spergel, David N.;Cranmer, Miles;Nagai, Daisuke;Anglés-Alcázar, Daniel;Ho, Shirley
- 通讯作者:Ho, Shirley
Constraining the baryon abundance with the kinematic Sunyaev-Zel’dovich effect: Projected-field detection using Planck , WMAP , and unWISE
- DOI:10.1103/physrevd.104.043518
- 发表时间:2021-02
- 期刊:
- 影响因子:5
- 作者:A. Kusiak;B. Bolliet;S. Ferraro;J. Hill;A. Krolewski
- 通讯作者:A. Kusiak;B. Bolliet;S. Ferraro;J. Hill;A. Krolewski
Cross-correlation of Dark Energy Survey Year 3 lensing data with ACT and Planck thermal Sunyaev-Zel’dovich effect observations. II. Modeling and constraints on halo pressure profiles
暗能量调查第 3 年透镜数据与 ACT 和普朗克热 Sunyaev-Zelâdovich 效应观测结果的互相关。
- DOI:10.1103/physrevd.105.123526
- 发表时间:2022
- 期刊:
- 影响因子:5
- 作者:Pandey, S.;Gatti, M.;Baxter, E.;Hill, J. C.;Fang, X.;Doux, C.;Giannini, G.;Raveri, M.;DeRose, J.;Huang, H.
- 通讯作者:Huang, H.
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James Hill其他文献
Two Attempts to Bring Philosophical Thinking into Japanese Classrooms: From Practices Inspired by the British and Hawaiian Styles
将哲学思维带入日本课堂的两次尝试:来自英国和夏威夷风格的实践启发
- DOI:
- 发表时间:
2022 - 期刊:
- 影响因子:0
- 作者:
古賀裕也;James Hill - 通讯作者:
James Hill
Nutrition Education, Hands-on Cooking and Financial Incentives to Change Purchasing Behaviors in a Low Socioeconomic Status Population: A Community-Based Study Protocol
- DOI:
10.1093/cdn/nzab057_004 - 发表时间:
2021-06-01 - 期刊:
- 影响因子:
- 作者:
Katherine Ellison;James Hill;Mona Fouad;Judy Vann;R. Drew Sayer - 通讯作者:
R. Drew Sayer
Bernard Shaw and the doctors: The art and science of medicine inThe Doctor's Dilemma
- DOI:
10.1007/bf02276863 - 发表时间:
1994-06-01 - 期刊:
- 影响因子:0.900
- 作者:
James Hill - 通讯作者:
James Hill
「本物の体験」を創り出す教師となるために~私の中ある「北極星」を探し求めて~
成为一名创造“真实体验”的老师——寻找我内心的“北极星”——
- DOI:
- 发表时间:
2022 - 期刊:
- 影响因子:0
- 作者:
古賀裕也;James Hill;木戸尚治;西野 功泰 - 通讯作者:
西野 功泰
How Hume Became ‘The New Hume’: A Developmental Approach
休谟如何成为“新休谟”:一种发展方法
- DOI:
- 发表时间:
2012 - 期刊:
- 影响因子:0
- 作者:
James Hill - 通讯作者:
James Hill
James Hill的其他文献
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{{ truncateString('James Hill', 18)}}的其他基金
Engineering Approaches to Energy Balance and Obesity (Conference Travel Support)
能量平衡和肥胖的工程方法(会议旅行支持)
- 批准号:
0650542 - 财政年份:2006
- 资助金额:
$ 48.35万 - 项目类别:
Standard Grant
Ethnographic Research Training in Sociocultural Anthropology
社会文化人类学民族志研究培训
- 批准号:
9320432 - 财政年份:1994
- 资助金额:
$ 48.35万 - 项目类别:
Standard Grant
University Outreach Center's Summer Science Camps
大学外展中心的夏季科学营
- 批准号:
9255110 - 财政年份:1992
- 资助金额:
$ 48.35万 - 项目类别:
Continuing Grant
Improving Learning and Teaching of Science and Mathematics Research to Practice
改善科学和数学研究的学与教实践
- 批准号:
9255747 - 财政年份:1992
- 资助金额:
$ 48.35万 - 项目类别:
Standard Grant
Full-Scale Testing and Modeling of Seismic Response of Unreinforced Masonry Infill Panels
无筋砌体填充板地震响应的全面测试和建模
- 批准号:
9120032 - 财政年份:1991
- 资助金额:
$ 48.35万 - 项目类别:
Standard Grant
Supercomputer Initiation: Computation of Transport in Turbulent Flow
超级计算机启动:湍流传递计算
- 批准号:
8515047 - 财政年份:1985
- 资助金额:
$ 48.35万 - 项目类别:
Standard Grant
Enhancement of the Computer Graphics and Design Laboratory
加强计算机图形与设计实验室
- 批准号:
8303540 - 财政年份:1983
- 资助金额:
$ 48.35万 - 项目类别:
Standard Grant
Prehistoric Responses to Food Stress
史前对食物压力的反应
- 批准号:
7808118 - 财政年份:1978
- 资助金额:
$ 48.35万 - 项目类别:
Continuing Grant
Development of Methods of Evaluation and Test Procedures For Solar Collectors and Storage Devices
太阳能集热器和存储设备的评估和测试程序方法的开发
- 批准号:
7400895 - 财政年份:1973
- 资助金额:
$ 48.35万 - 项目类别:
Interagency Agreement
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