Ancient History in the Local Group of Galaxies: The Milky Way's Faintest, Darkest, and Most Ancient Satellite Galaxies
本星系群的古代历史:银河系最暗、最暗、最古老的卫星星系
基本信息
- 批准号:1714873
- 负责人:
- 金额:$ 22.03万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2017
- 资助国家:美国
- 起止时间:2017-07-01 至 2021-06-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The outer region of our home galaxy, the Milky Way, contains a few dozen satellite galaxies. This is surprising because hundreds are predicted by the prevailing theory of galaxy formation. The smallest satellite galaxies are also the best places to study the mysterious dark matter. The team will use cutting-edge observations at optical wavelengths to examine the satellite galaxies. The observations will help us understand galaxy formation and dark matter. Senior team members will train junior team members. The research will be featured in modern exhibits at the historic Mount Wilson Observatory in California. The exhibits will target elementary and high-school students from underrepresented groups in low-income areas.The team will obtain spectra and imaging of the recently-enlarged population of candidate satellite galaxies of the Milky Way. Their goals are to investigate (1) how many satellites are dwarf galaxies, (2) their masses and metallicities, (3) the best targets for indirect detection of dark matter, (4) the differences between dwarf galaxies originating near the Magellanic Clouds versus those formed closer to the Milky Way, (5) their orbits around the Milky Way, and (6) their chemical abundance patterns.
我们的银河系的外围区域包含几十个卫星星系。 这是令人惊讶的,因为数百个是由流行的星系形成理论预测的。 最小的卫星星系也是研究神秘暗物质的最佳场所。 该团队将使用光学波长的尖端观测来检查卫星星系。 这些观测将帮助我们了解星系的形成和暗物质。 高级团队成员将培训初级团队成员。 这项研究将在加州历史悠久的威尔逊山天文台的现代展览中展出。 这些展览将以低收入地区代表性不足的中小学生为对象,该小组将获得最近增加的银河系候选卫星星系的光谱和图像。 他们的目标是研究(1)有多少卫星是矮星系,(2)它们的质量和金属丰度,(3)间接探测暗物质的最佳目标,(4)起源于麦哲伦云附近的矮星系与形成于银河系附近的矮星系之间的差异,(5)它们围绕银河系的轨道,以及(6)它们的化学丰度模式。
项目成果
期刊论文数量(19)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Chemical Analysis of the Ultrafaint Dwarf Galaxy Grus II. Signature of High-mass Stellar Nucleosynthesis
- DOI:10.3847/1538-4357/ab9643
- 发表时间:2020-05
- 期刊:
- 影响因子:0
- 作者:T. Hansen;J. Marshall;J. Simon;Tian Li;R. Bernstein;A. Pace;P. Ferguson;D. Nagasawa;K. Kuehn;D. Carollo;M. Geha;D. James;A. Walker;H. Diehl;M. Aguena;S. Allam;S. Ávila;E. Bertin;D. Brooks;E. Buckley-Geer;D. Burke;A. Rosell;M. Kind;J. Carretero;M. Costanzi;L. Costa;S. Desai;J. Vicente;P. Doel;K. Eckert;T. Eifler;S. Everett;I. Ferrero;J. Frieman;J. García-Bellido;E. Gaztañaga;D. Gerdes;D. Gruen;R. Gruendl;J. Gschwend;G. Gutiérrez;S. Hinton;D. Hollowood;K. Honscheid;N. Kuropatkin;M. Maia;M. March;R. Miquel;A. Palmese;F. Paz-Chinchón;A. Plazas;E. Sánchez;B. Santiago;V. Scarpine;S. Serrano;M. Smith;M. Soares-Santos;E. Suchyta;M. Swanson;G. Tarlé;T. Varga;R. Wilkinson
- 通讯作者:T. Hansen;J. Marshall;J. Simon;Tian Li;R. Bernstein;A. Pace;P. Ferguson;D. Nagasawa;K. Kuehn;D. Carollo;M. Geha;D. James;A. Walker;H. Diehl;M. Aguena;S. Allam;S. Ávila;E. Bertin;D. Brooks;E. Buckley-Geer;D. Burke;A. Rosell;M. Kind;J. Carretero;M. Costanzi;L. Costa;S. Desai;J. Vicente;P. Doel;K. Eckert;T. Eifler;S. Everett;I. Ferrero;J. Frieman;J. García-Bellido;E. Gaztañaga;D. Gerdes;D. Gruen;R. Gruendl;J. Gschwend;G. Gutiérrez;S. Hinton;D. Hollowood;K. Honscheid;N. Kuropatkin;M. Maia;M. March;R. Miquel;A. Palmese;F. Paz-Chinchón;A. Plazas;E. Sánchez;B. Santiago;V. Scarpine;S. Serrano;M. Smith;M. Soares-Santos;E. Suchyta;M. Swanson;G. Tarlé;T. Varga;R. Wilkinson
Birds of a Feather? Magellan/IMACS Spectroscopy of the Ultra-faint Satellites Grus II, Tucana IV, and Tucana V
- DOI:10.3847/1538-4357/ab7ccb
- 发表时间:2019-11
- 期刊:
- 影响因子:0
- 作者:J. Simon;T. Li;D. Erkal;A. Pace;A. Pace;A. Drlica-Wagner;A. Drlica-Wagner;D. James;J. Marsh
- 通讯作者:J. Simon;T. Li;D. Erkal;A. Pace;A. Pace;A. Drlica-Wagner;A. Drlica-Wagner;D. James;J. Marsh
Gaia Proper Motions and Orbits of the Ultra-faint Milky Way Satellites
- DOI:10.3847/1538-4357/aacdfb
- 发表时间:2018-04
- 期刊:
- 影响因子:0
- 作者:J. Simon
- 通讯作者:J. Simon
Detailed Abundances in the Ultra-faint Magellanic Satellites Carina II and III
- DOI:10.3847/1538-4357/ab6213
- 发表时间:2019-12
- 期刊:
- 影响因子:0
- 作者:A. Ji;Ting S. Li;J. Simon;J. Marshall;K. Vivas;A. Pace;K. Bechtol;A. Drlica-Wagner;Sergey E.
- 通讯作者:A. Ji;Ting S. Li;J. Simon;J. Marshall;K. Vivas;A. Pace;K. Bechtol;A. Drlica-Wagner;Sergey E.
The First Tidally Disrupted Ultra-faint Dwarf Galaxy?: A Spectroscopic Analysis of the Tucana III Stream
- DOI:10.3847/1538-4357/aadf91
- 发表时间:2018-04
- 期刊:
- 影响因子:0
- 作者:T. Li;J. Simon;K. Kuehn;A. Pace;D. Erkal;K. Bechtol;B. Yanny;A. Drlica-Wagner;J. Marshall;C. Lidman;E. Balbinot;D. Carollo;S. Jenkins;C. Martínez-Vázquez;N. Shipp;K. Stringer;A. K. Vivas;A. Walker;Risa Wechsler;F. Abdalla;S. Allam;J. Annis;S. Ávila;E. Bertin;D. Brooks;E. Buckley-Geer;D. Burke;A. Rosell;M. Kind;J. Carretero;C. Cunha;C. D'Andrea;L. Costa;C. Davis;J. Vicente;P. Doel;T. Eifler;A. Evrard;B. Flaugher;J. Frieman;J. García-Bellido;E. Gaztañaga;D. Gerdes;D. Gruen;R. Gruendl;J. Gschwend;G. Gutiérrez;W. Hartley;D. Hollowood;K. Honscheid;D. James;E. Krause;M. Maia;M. March;F. Menanteau;R. Miquel;A. Plazas;E. Sánchez;B. Santiago;V. Scarpine;R. Schindler;M. Schubnell;I. Sevilla-Noarbe;M. Smith;R. C. Smith;M. Soares-Santos;F. Sobreira;E. Suchyta;M. Swanson;G. Tarlé;D. Tucker
- 通讯作者:T. Li;J. Simon;K. Kuehn;A. Pace;D. Erkal;K. Bechtol;B. Yanny;A. Drlica-Wagner;J. Marshall;C. Lidman;E. Balbinot;D. Carollo;S. Jenkins;C. Martínez-Vázquez;N. Shipp;K. Stringer;A. K. Vivas;A. Walker;Risa Wechsler;F. Abdalla;S. Allam;J. Annis;S. Ávila;E. Bertin;D. Brooks;E. Buckley-Geer;D. Burke;A. Rosell;M. Kind;J. Carretero;C. Cunha;C. D'Andrea;L. Costa;C. Davis;J. Vicente;P. Doel;T. Eifler;A. Evrard;B. Flaugher;J. Frieman;J. García-Bellido;E. Gaztañaga;D. Gerdes;D. Gruen;R. Gruendl;J. Gschwend;G. Gutiérrez;W. Hartley;D. Hollowood;K. Honscheid;D. James;E. Krause;M. Maia;M. March;F. Menanteau;R. Miquel;A. Plazas;E. Sánchez;B. Santiago;V. Scarpine;R. Schindler;M. Schubnell;I. Sevilla-Noarbe;M. Smith;R. C. Smith;M. Soares-Santos;F. Sobreira;E. Suchyta;M. Swanson;G. Tarlé;D. Tucker
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Joshua Simon其他文献
Urometrocolpos Associated With Retroiliac Ureter
- DOI:
10.1016/s0022-5347(17)55410-5 - 发表时间:
1980-08-01 - 期刊:
- 影响因子:
- 作者:
Miguel Iuchtman;Jacob Assa;Ihesquel Blatnoi;Leon Ezagui;Joshua Simon - 通讯作者:
Joshua Simon
Moyamoya and Fanconi's anemia.
烟雾病和范科尼贫血。
- DOI:
10.1542/peds.65.4.804 - 发表时间:
1980 - 期刊:
- 影响因子:8
- 作者:
Nathan Cohen;M. Berant;Joshua Simon - 通讯作者:
Joshua Simon
Enhancing SLM Stainless Steel: Model-Based Parameter Optimization
增强 SLM 不锈钢:基于模型的参数优化
- DOI:
- 发表时间:
2023 - 期刊:
- 影响因子:0
- 作者:
Joshua Simon;Hakan Rasim Öztürk;Prof. Jens - 通讯作者:
Prof. Jens
Optimization of thermal conduction welding parameters in LPBFM for enhanced adhesion control
- DOI:
10.1007/s00170-024-14507-6 - 发表时间:
2025-02-19 - 期刊:
- 影响因子:3.100
- 作者:
Joshua Simon;Tobias Redlich;Jens-Peter Wulfsberg - 通讯作者:
Jens-Peter Wulfsberg
Joshua Simon的其他文献
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{{ truncateString('Joshua Simon', 18)}}的其他基金
Collaborative Research: An Archaeological Survey for Substructure in the Stellar Halos of the Nearest Massive Galaxies
合作研究:最近的大质量星系星晕下部结构的考古调查
- 批准号:
1412792 - 财政年份:2014
- 资助金额:
$ 22.03万 - 项目类别:
Standard Grant
Fossils of Reionization: The Search for the Most Metal-Poor Stars in the Local Group
再电离化石:寻找本星系群中最贫金属的恒星
- 批准号:
1108811 - 财政年份:2011
- 资助金额:
$ 22.03万 - 项目类别:
Standard Grant
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