Stars in the halo of the Milky Way travel often in groups

Based on the article
"A box full of chocolates: The rich structure of the nearby stellar halo revealed by Gaia and RAVE",
by
Published in Astronomy & Astrophysics, 2016, 598, A58
Based on the article
"A box full of chocolates: The rich structure of the nearby stellar halo revealed by Gaia and RAVE",
by
Published in Astronomy & Astrophysics, 2016, 598, A58