The Milky Way Halo in Action Space

28 Mar 2018 Myeong G. C. IoA, Cambridge Evans N. W. IoA, Cambridge Belokurov V. IoA, Cambridge Sanders J. L. IoA, Cambridge Koposov S. IoA, Cambridge CMU, Pittsburgh

We analyse the structure of the local stellar halo of the Milky Way using $\sim$ 60000 stars with full phase space coordinates extracted from the SDSS--{\it Gaia} catalogue. We display stars in action space as a function of metallicity in a realistic axisymmetric potential for the Milky Way Galaxy... (read more)

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