Jianhui Lian

Here are the science topics that I'm interested in and have been working on. Collaborations are very welcome. If you're student and interested in doing a summer project on one of this topics, please don't hesitate to contact me for more details. 

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Galactic archeology

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     Quantifying the roles played by radial migration and local star formation history in shaping the Milky Way leveraging precise stellar age and multi-element abundances of stars across the Galaxy.

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      Chemical evolution modelling in external galaxies, including abundances of individual stars in nearby satellites and integrated stellar population of distant galaxies.

  

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Disk structure of the Milky Way

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     Mapping density distribution and structure of mono-abundance (-age) populations. 

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     The size of the Milky Way. 

 

     Archeology of stellar substructures and overdensities in the Milky Way. 

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How special our Milky Way is? 

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     Integrated stellar population properties, e.g., stellar age, metallicity, [alpha/Fe], and their spatial variation.  

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     Stellar population properties of thick disk in the Milky Way and external galaxies. 

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     Drawing an image of the Milky Way using data from large stellar surveys.  

     

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