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LIU Chao, DENG Li-Cai. The LAMOST stellar spectroscopic survey and the Galactic halo[J]. PHYSICS, 2015, 44(04): 228-236. DOI: 10.7693/wl20150403
Citation: LIU Chao, DENG Li-Cai. The LAMOST stellar spectroscopic survey and the Galactic halo[J]. PHYSICS, 2015, 44(04): 228-236. DOI: 10.7693/wl20150403
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The LAMOST stellar spectroscopic survey and the Galactic halo

  • The National Astronomical Observatories,Chinese Academy of Sciences,Beijing 100012,China

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  • Received Date: December 29, 2014
  • Published Date: April 11, 2015
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    • Abstract
  • The formation and evolution of galaxies is an extremely important and fundamental question in modern astrophysics. Among the galaxies, the Milky Way is a very special sample not only because we live in it, but also because it is the only one in which we can carefully and individually observe its member stars. It has been confirmed that the Galactic halo, including both the stellar spheroid and the dark matter halo, contains fairly complicated structures, from which the overall shape, formation, and evolutionary history of our Galaxy can be unveiled.Moreover, some very rare and special stars in the Milky Way can be used as tracers to indirectly detect the core region of the Galaxy around the central super-massive black hole, which is also a hot topic of astrophysics. The LAMOST survey of the Milky Way will collect millions of stellar spectra at low wavelength resolution, making it the largest of such projects throughout the world.Its data base is very suitable for the study of the structure and evolution of the Milky Way. In this article, we report our on-going studies on the Galactic halo with LAMOST data, and present some early scientific results.
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