Collaborative Research: A Panchromatic View of Normal Galaxies in the Early Universe
合作研究:早期宇宙中正常星系的全色视图
基本信息
- 批准号:2107990
- 负责人:
- 金额:$ 19.68万
- 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 tool to identify “normal” galaxies at high redshifts (large distances), not biased by their brightness, is the presence of Damped Lyman-alpha systems (DLAs) in spectra of background light sources. Studying DLAs is essential to further our understanding of galaxy evolution in the early Universe, but little is known about the galaxies associated with DLAs and the relation between them and those identified by other methods. This project will use the Atacama Large Millimeter Array (ALMA) to directly image DLA galaxies and aims to answer fundamental questions of galaxy formation. The project will also include a “Bridge” program (post-bachelors degree/pre-graduate school) to attract and retain talented students from traditionally underrepresented groups, with a goal of increasing their participation in STEM fields. The team has leveraged the power of ALMA to directly image HI-selected galaxies identified by DLAs. This project aims to answer fundamental questions of galaxy formation including: What are the luminosities, star formation rates, gas masses, and stellar masses of normal galaxies at high redshifts? What is the incidence of rotating disks and mergers? Do absorption-selection and emission-selection yield the same population of galaxies? The project also leverages the JVLA, NOEMA, VLT, GTC, and Keck observatories to dissect the galaxy population from the far-UV to radio wavelengths, accessing ionized gas, neutral gas, stellar, and dust diagnostics. The Maria Mitchell Observatory (MMO) Bridge program will provide students the opportunity to improve their hands-on research skills, gain first-hand knowledge of graduate-level research, and prepare for entrance into STEM graduate programs. The postdoctoral researcher at Johns Hopkins University will work directly with the MMO Bridge students, gaining valuable mentoring experience.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.
一个工具,以确定“正常”星系在高红移(大距离),而不是偏见,由他们的亮度,是存在的阻尼莱曼α系统(DLAs)在光谱的背景光源。研究DLAs对于我们进一步了解早期宇宙中的星系演化至关重要,但对与DLAs相关的星系以及它们与其他方法识别的星系之间的关系知之甚少。该项目将使用阿塔卡马大型毫米阵列(阿尔马)直接成像DLA星系,旨在回答星系形成的基本问题。该项目还将包括一个“桥梁”计划(学士学位后/研究生院),以吸引和留住传统上代表性不足的群体中的优秀学生,目标是增加他们在STEM领域的参与。该团队利用阿尔马的力量直接对由DLA识别的HI选择星系进行成像。该项目旨在回答星系形成的基本问题,包括:什么是光度,星星形成率,气体质量,和恒星质量的正常星系在高红移?旋转盘和合并的发生率是多少?吸收选择和发射选择产生相同的星系群吗?该项目还利用JVLA,NOEMA,VLT,GTC和Keck天文台从远紫外线到无线电波长解剖星系群,访问电离气体,中性气体,恒星和尘埃诊断。玛丽亚·米切尔天文台(MMO)桥梁计划将为学生提供机会,提高他们的动手研究技能,获得研究生水平研究的第一手知识,并为进入STEM研究生课程做好准备。约翰霍普金斯大学的博士后研究员将直接与MMO Bridge学生合作,获得宝贵的指导经验。该奖项反映了NSF的法定使命,并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,被认为值得支持。
项目成果
期刊论文数量(2)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
A Massive, Dusty, Hi Absorption–Selected Galaxy at z ≈ 2.46 Identified in a CO Emission Survey
CO 排放调查中发现的一个巨大、布满灰尘、高吸收率的星系,位于 z ≤ 2.46
- DOI:10.3847/1538-4357/ac7b2c
- 发表时间:2022
- 期刊:
- 影响因子:0
- 作者:Kaur, B.;Kanekar, N.;Revalski, M.;Rafelski, M.;Neeleman, M.;Prochaska, J. X.;Walter, F.
- 通讯作者:Walter, F.
Jansky Very Large Array Detections of CO(1–0) Emission in H i-absorption-selected Galaxies at z ≳ 2
Jansky 甚大阵列对 z ≤ 2 处 H i 吸收选择星系中 CO(1-0) 发射的探测
- DOI:10.3847/2041-8213/ac7bdd
- 发表时间:2022
- 期刊:
- 影响因子:0
- 作者:Kaur, B.;Kanekar, N.;Rafelski, M.;Neeleman, M.;Prochaska, J. X.;Revalski, M.
- 通讯作者:Revalski, M.
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Regina Jorgenson其他文献
Regina Jorgenson的其他文献
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{{ truncateString('Regina Jorgenson', 18)}}的其他基金
REU Site: Research Experiences in Astronomy for Undergraduate Students at the Maria Mitchell Observatory
REU 网站:玛丽亚·米切尔天文台本科生的天文学研究经验
- 批准号:
2149985 - 财政年份:2022
- 资助金额:
$ 19.68万 - 项目类别:
Continuing Grant
Collaborative Research: The Definitive Follow-up Campaign for Fast Radio Bursts
合作研究:快速射电爆发的最终后续行动
- 批准号:
2206492 - 财政年份:2022
- 资助金额:
$ 19.68万 - 项目类别:
Standard Grant
Collaborative Research: Disentangling the Cosmic Web with Fast Radio Bursts
合作研究:用快速射电爆发解开宇宙网
- 批准号:
1910471 - 财政年份:2019
- 资助金额:
$ 19.68万 - 项目类别:
Standard Grant
REU Site: Research Experiences in Astronomy for Undergraduate Students at the Maria Mitchell Observatory
REU 网站:玛丽亚·米切尔天文台本科生的天文学研究经验
- 批准号:
1757321 - 财政年份:2018
- 资助金额:
$ 19.68万 - 项目类别:
Standard Grant
The Maria Mitchell Women in Science Symposium: Celebrating the 200th Birthday of America's First Woman Astronomer
玛丽亚·米切尔女性科学研讨会:庆祝美国第一位女天文学家 200 岁生日
- 批准号:
1839236 - 财政年份:2018
- 资助金额:
$ 19.68万 - 项目类别:
Standard Grant
REU Site: Research Experiences in Astronomy for Undergraduate Students at the Maria Mitchell Observatory
REU 网站:玛丽亚·米切尔天文台本科生的天文学研究经验
- 批准号:
1358980 - 财政年份:2014
- 资助金额:
$ 19.68万 - 项目类别:
Continuing Grant
Probing the Gas that Fuels Star Formation in Typical High Redshift Galaxies
探测典型高红移星系中恒星形成的气体
- 批准号:
1102683 - 财政年份:2011
- 资助金额:
$ 19.68万 - 项目类别:
Fellowship Award
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