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Galactic Disk Structure and Metallicity from Mono-age Stellar Populations of LAMOST

Published online by Cambridge University Press:  07 March 2018

Maosheng Xiang ,
Xiaowei Liu ,
Jianrong Shi ,
Haibo Yuan ,
Yang Huang ,
Bingqiu Chen  and
Chun Wang
Maosheng Xiang
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciencemsxiang@nao.cas.cn LAMOST Fellow
Xiaowei Liu
Affiliation:
Department of Astronomy, Peking University, China
Jianrong Shi
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciencemsxiang@nao.cas.cn
Haibo Yuan
Affiliation:
Department of Astronomy, Beijing Normal University, China
Yang Huang
Affiliation:
Department of Astronomy, Peking University, China LAMOST Fellow
Bingqiu Chen
Affiliation:
Department of Astronomy, Peking University, China
Chun Wang
Affiliation:
Department of Astronomy, Peking University, China
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Abstract

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The LAMOST Galactic surveys provide robust stellar atmospheric parameters, abundances, masses and ages of millions of stars, allowing a unprecedented mapping of matter distribution, spatial structure, star formation rate, chemistry and kinematics of the Galaxy. In this proceeding we present structure and metallicity of the Galactic disk revealed by mono-age stellar populations within a few kilo-parsec of the solar neighborhood.

Keywords

Galaxy: generalGalaxy: diskGalaxy: structureGalaxy: abundances
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 12 , Symposium S330: Astrometry and Astrophysics in the Gaia sky , April 2017 , pp. 193 - 196
Copyright
Copyright © International Astronomical Union 2018 

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