Analysis of Atacama Cosmology Telescope data: cosmology beyond Planck

阿塔卡马宇宙学望远镜数据分析：超越普朗克的宇宙学

• 批准号: 1814971
• 负责人: Jo Dunkley
• 金额: $ 57.58万
• 依托单位: Princeton University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2018
• 资助国家: 美国
• 起止时间: 2018-08-15 至 2021-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1814971&HistoricalAwards=false
• 关键词: Analysis; Atacama; Cosmology; Telescope; data

This purpose of this work is to test the standard cosmological model that describes the origins and evolution of the universe. In this model the universe is dominated by as-yet unknown components: dark energy and dark matter, and its large cosmic structures have grown via gravity from initial features imprinted at the start of the universe. This model faces two current issues: the current expansion rate of the universe inferred from two different measurements is in disagreement, and the expected size of cosmic structures is also in some disagreement from different measurements. This work focuses on testing those issues by using new data to make an independent measurement of the expansion rate and the sizes of cosmic structures. The project will have an emphasis on the support and training of junior women in the field, as well as taking steps to recruit women into the field.This work will use new high resolution, high sensitivity measurements of the Cosmic Microwave Background radiation to make an independent measurement of the expansion rate of the universe, and a refined estimate of the sizes of cosmic structures. The project uses the Atacama Cosmology Telescope, a six-meter NSF-supported telescope in Chile, currently observing the millimeter-wave sky. This work will involve computing key statistical properties of maps of the microwave background radiation to infer the expansion rate of the universe, and combining these data with measurements of the distortions of galaxies from the optical Hyper-Suprime Cam survey, to infer the size of cosmic structures.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.

这项工作的目的是测试描述宇宙起源和演化的标准宇宙学模型。在这个模型中，宇宙由迄今未知的成分主导：暗能量和暗物质，其庞大的宇宙结构是通过引力从宇宙开始时留下的初始特征发展而来的。这个模型面临着两个当前的问题：从两个不同的测量得出的宇宙当前的膨胀率不一致，以及从不同的测量得出的宇宙结构的预期大小也存在一些不一致。这项工作的重点是通过使用新的数据对宇宙结构的膨胀速度和大小进行独立测量来检验这些问题。该项目将侧重于支持和培训该领域的年轻女性，并采取措施招募女性进入该领域。这项工作将使用新的高分辨率、高灵敏度的宇宙微波背景辐射测量来独立测量宇宙的膨胀率，并精确估计宇宙结构的大小。该项目使用了阿塔卡马宇宙学望远镜，这是一台位于智利的6米高的美国国家科学基金会支持的望远镜，目前正在观测毫米波天空。这项工作将包括计算微波背景辐射地图的关键统计性质，以推断宇宙的膨胀率，并将这些数据与光学超级摄像机测量的星系扭曲的测量结果相结合，以推断宇宙结构的大小。这一奖项反映了美国国家科学基金会的法定使命，并通过使用基金会的智力优势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

The Atacama Cosmology Telescope: a CMB lensing mass map over 2100 square degrees of sky and its cross-correlation with BOSS-CMASS galaxies

• DOI: 10.1093/mnras/staa3438
• 发表时间: 2020-04
• 期刊: Monthly Notices of the Royal Astronomical Society
• 影响因子: 4.8
• 作者: O. Darwish;M. Madhavacheril;B. Sherwin;S. Aiola;N. Battaglia;J. Beall;D. Becker;J. Bond;E. Calabrese;Steve K. Choi;M. Devlin;J. Dunkley;R. Dunner;A. Fox;P. Gallardo;Yilun Guan;M. Halpern;Dongwon Han;M. Hasselfield;J. Hill;G. Hilton;M. Hilton;A. Hincks;S. Ho;J. Hubmayr;J. Hughes;B. Koopman;A. Kosowsky;J. Lanen;T. Louis;M. Lungu;Amanda Macinnis;L. Maurin;J. McMahon;K. Moodley;S. Naess;T. Namikawa;L. Newburgh;J. Nibarger;M. Niemack;B. Partridge;F. J. Qu;N. Robertson;B. Schmitt;N. Sehgal;C. Sif'on;D. Spergel;S. Staggs;E. Storer;A. V. Engelen;Edward J. Wollack

The Atacama Cosmology Telescope: DR4 maps and cosmological parameters

• DOI: 10.1088/1475-7516/2020/12/047
• 发表时间: 2020-12-01
• 期刊: JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
• 影响因子: 6.4
• 作者: Aiola, Simone;Calabrese, Erminia;Zhu, Ningfeng
• 通讯作者: Zhu, Ningfeng

Atacama Cosmology Telescope: Component-separated maps of CMB temperature and the thermal Sunyaev-Zel’dovich effect

• DOI: 10.1103/physrevd.102.023534
• 发表时间: 2020-07
• 期刊: Physical Review D
• 影响因子: 5
• 作者: M. Madhavacheril;J. Hill;S. Naess;G. Addison;S. Aiola;T. Baildon;N. Battaglia;R. Bean;J. Bond;E. Calabrese;Victoria Calafut;Steve K. Choi;O. Darwish;M. Devlin;J. Dunkley;R. Dunner;S. Ferraro;P. Gallardo;M. Halpern;Dongwon Han;M. Hasselfield;M. Hilton;A. Hincks;R. Hlovzek;S. Ho;K. Huffenberger;J. Hughes;B. Koopman;A. Kosowsky;M. Lokken;T. Louis;M. Lungu;Amanda Macinnis;L. Maurin;J. McMahon;K. Moodley;F. Nati;M. Niemack;L. Page;B. Partridge;N. Robertson;N. Sehgal;E. Schaan;A. Schillaci;B. Sherwin;C. Sif'on;S. Simon;D. Spergel;S. Staggs;E. Storer;A. V. Engelen;E. Vavagiakis;Edward J. Wollack;Zhilei Xu

The cross correlation of the ABS and ACT maps

ABS 和 ACT 地图的互相关

• DOI: 10.1088/1475-7516/2020/09/010
• 发表时间: 2020
• 期刊: Journal of Cosmology and Astroparticle Physics
• 影响因子: 6.4
• 作者: Li, Zack;Naess, Sigurd;Aiola, Simone;Alonso, David;Appel, John W.;Bond, J. Richard;Calabrese, Erminia;Choi, Steve K.;Crowley, Kevin T.;Essinger-Hileman, Thomas
• 通讯作者: Essinger-Hileman, Thomas

The Atacama Cosmology Telescope: arcminute-resolution maps of 18 000 square degrees of the microwave sky from ACT 2008–2018 data combined with Planck

• DOI: 10.1088/1475-7516/2020/12/046
• 发表时间: 2020-07
• 期刊: Journal of Cosmology and Astroparticle Physics
• 影响因子: 6.4
• 作者: S. Naess;S. Aiola;J. Austermann;N. Battaglia;J. Beall;D. Becker;R. Bond;E. Calabrese;Steve K. Choi;N. Cothard;K. Crowley;O. Darwish;R. Datta;E. Denison;M. Devlin;C. Duell;S. Duff;A. Duivenvoorden;J. Dunkley;R. Dunner;A. Fox;P. Gallardo;M. Halpern;Dongwon Han;M. Hasselfield;J. Hill;G. Hilton;M. Hilton;A. Hincks;R. Hlovzek;S. Ho;J. Hubmayr;K. Huffenberger;J. Hughes;A. Kosowsky;T. Louis;M. Madhavacheril;J. McMahon;K. Moodley;F. Nati;J. Nibarger;M. Niemack;L. Page;B. Partridge;M. Salatino;E. Schaan;A. Schillaci;B. Schmitt;B. Sherwin;N. Sehgal;C. Sif'on;D. Spergel;S. Staggs;J. Stevens;E. Storer;J. Ullom;L. Vale;A. V. Engelen;J. Lanen;E. Vavagiakis;Edward J. Wollack;Zhilei Xu