The Future of Stellar Populations Studies in the Milky Way and the Local Group

Details The Future of Stellar Populations Studies in the Milky Way and the Local Group The Future of Stellar Populations Studies in the Milky Way and the Local Group

2010-02-19

arxiv.org/abs/1002.3787v1

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

12 pages, 0 figures, IAU Symposium No. 262, Stellar Populations - Planning for the Next Decade

Scientific paper

The last decade has seen enormous progress in understanding the structure of the Milky Way and neighboring galaxies via the production of large-scale digital surveys of the sky like 2MASS and SDSS, as well as specialized, counterpart imaging surveys of other Local Group systems. Apart from providing snaphots of galaxy structure, these "cartographic" surveys lend insights into the formation and evolution of galaxies when supplemented with additional data (e.g., spectroscopy, astrometry) and when referenced to theoretical models and simulations of galaxy evolution. These increasingly sophisticated simulations are making ever more specific predictions about the detailed chemistry and dynamics of stellar populations in galaxies. To fully exploit, test and constrain these theoretical ventures demands similar commitments of observational effort as has been plied into the previous imaging surveys to fill out other dimensions of parameter space with statistically significant intensity. Fortunately the future of large-scale stellar population studies is bright with a number of grand projects on the horizon that collectively will contribute a breathtaking volume of information on individual stars in Local Group galaxies.

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