ガイア・ソーセージ
Myeong, G.C.; Evans, N.W.; Belokurov, V.; Sanders, J.L.; Koposov, S.E. (April 2018). “The Milky Way halo in action space”. The Astrophysical Journal Letters 856 (2): L26. arXiv:1802.03351. Bibcode: 2018ApJ...856L..26M. doi:10.3847/2041-8213/aab613.
Myeong, G.C.; Evans, N.W.; Belokurov, V.; Sanders, J.L.; Koposov, S.E. (April 2018). "The Shards of ω Centauri". arXiv:1804.07050 [astro-ph.GA]。