Fashionably Late? Building Up The Milky Way's Inner Halo

Morrison, HeatherHelmi, AminaSun, JiayangLiu, PengGu, RongfangNorris, JohnHarding, PaulKinman, TKepley, AmandaFreeman, KennethWilliams, MaryVan Duyne, Jeffrey2015-12-070004-637Xhttp://hdl.handle.net/1885/27979Using a sample of 246 metal-poor stars (RR Lyraes, red giants, and red horizontal branch stars) which is remarkable for the accuracy of its six-dimensional kinematical data, we find, by examining the distribution of stellar orbital angular momenta, a newKeywords: Galaxy: evolution; Galaxy: formation; Galaxy: halo; Galaxy: kinematics and dynamics Online-only material: color figureFashionably Late? Building Up The Milky Way's Inner Halo200910.1088/0004-637X/694/1/1302016-02-24