Broken into pieces: ATLAS and Aliqa Uma as one single stream

Ting S. Li^*, Sergey E. Koposov, Denis Erkal, Alexander P. Ji, Nora Shipp, Tariq Hilmi, Kyler Kuehn, Andrew B. Pace, Geraint F. Lewis, Dougal Mackey, Jeffrey D. Simpson, Zhen Wan, Daniel B. Zucker, Joss Bland-Hawthorn, Lara R. Cullinane, Gary S. da Costa, Alex Drlica-Wagner, Kohei Hattori, Sarah L. Martell, Sanjib Sharma