PMO OpenIR  > 分子云与恒星形成研究团组
LAMOST Experiment for Galactic Understanding and Exploration (LEGUE) - The survey's science plan
Deng, Li-Cai1; Newberg, Heidi Jo2; Liu, Chao1; Carlin, Jeffrey L.2; Beers, Timothy C.3; Chen, Li4; Chen, Yu-Qin1; Christlieb, Norbert5; Grillmair, Carl J.6; Guhathakurta, Puragra7; Han, Zhan-Wen8; Hou, Jin-Liang4; Lee, Hsu-Tai9; Lepine, Sebastien10; Li, Jing1,11; Liu, Xiao-Wei12,13; Pan, Kai-Ke14; Sellwood, J. A.15; Wang, Bo8; Wang, Hong-Chi16; Yang, Fan1; Yanny, Brian17; Zhang, Hao-Tong1; Zhang, Yue-Yang1; Zheng, Zheng18; Zhu, Zi19
2012-07-01
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN1674-4527
Volume12Issue:7Pages:735-754
AbstractWe describe the current plans for a spectroscopic survey of millions of stars in the Milky Way galaxy using the Guo Shou Jing Telescope (GSJT, formerly called the Large sky Area Multi-Object fiber Spectroscopic Telescope - LAMOST). The survey will obtain spectra for 2.5 million stars brighter than r < 19 during dark/grey time, and 5 million stars brighter than r < 17 or J < 16 on nights that are moonlit or have low transparency. The survey will begin in the fall of 2012, and will run for at least four years. The telescope's design constrains the optimal declination range for observations to 10 degrees < delta < 50 degrees, and site conditions lead to an emphasis on stars in the direction of the Galactic anticenter. The survey is divided into three parts with different target selection strategies: disk, anticenter, and spheroid. The resulting dataset will be used to study the merger history of the Milky Way, the substructure and evolution of the disks, the nature of the first generation of stars through identification of the lowest metallicity stars, and star formation through study of open clusters and OB associations. Detailed design of the LAMOST Experiment for Galactic Understanding and Exploration (LEGUE) survey will be completed in summer 2012, after a review of the results of the pilot survey.
KeywordTechniques: Spectroscopic Galaxy: Structure Galaxy: Evolution Galaxy: Kinematics And Dynamics Galaxy: Disk Galaxy: Halo Spectroscopy
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordDIGITAL SKY SURVEY ; TRACING GALAXY FORMATION ; MAIN-SEQUENCE STARS ; COLD STELLAR STREAM ; LOW METAL ABUNDANCE ; LOW-MASS STARS ; HYPERVELOCITY STARS ; MILKY-WAY ; CANIS-MAJOR ; THICK DISK
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000306892600003
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/8010
Collection分子云与恒星形成研究团组
Affiliation1.Chinese Acad Sci, Key Lab Opt Astron, Natl Astron Observ, Beijing 100012, Peoples R China
2.Rensselaer Polytech Inst, Dept Phys Appl Phys & Astron, Troy, NY 12180 USA
3.Natl Opt Astron Observ, Tucson, AZ 85719 USA
4.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
5.Heidelberg Univ, Landessternwarte, D-69117 Heidelberg, Germany
6.Spitzer Sci Ctr, Pasadena, CA 91125 USA
7.Univ Calif Santa Cruz, Dept Astron & Astrophys, Santa Cruz, CA 95064 USA
8.Chinese Acad Sci, Yunnan Astron Observ, Kunming 650011, Peoples R China
9.Acad Sinica, Inst Astron & Astrophys, Taipei 106, Taiwan
10.Amer Museum Nat Hist, New York, NY 10024 USA
11.China W Normal Univ, Sch Phys & Elect Informat, Nanchong 637000, Peoples R China
12.Peking Univ, Dept Astron, Beijing 100871, Peoples R China
13.Peking Univ, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China
14.Apache Point Observ, Sunspot, NM 88349 USA
15.Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USA
16.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
17.Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
18.Univ Utah, Dept Phys & Astron, Salt Lake City, UT 84112 USA
19.Nanjing Univ, Sch Astron & Space Sci, Nanjing 210008, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Deng, Li-Cai,Newberg, Heidi Jo,Liu, Chao,et al. LAMOST Experiment for Galactic Understanding and Exploration (LEGUE) - The survey's science plan[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2012,12(7):735-754.
APA Deng, Li-Cai.,Newberg, Heidi Jo.,Liu, Chao.,Carlin, Jeffrey L..,Beers, Timothy C..,...&Zhu, Zi.(2012).LAMOST Experiment for Galactic Understanding and Exploration (LEGUE) - The survey's science plan.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,12(7),735-754.
MLA Deng, Li-Cai,et al."LAMOST Experiment for Galactic Understanding and Exploration (LEGUE) - The survey's science plan".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 12.7(2012):735-754.
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