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The Smallest Scale of Hierarchy Survey (SSH). I. Survey Description
F. Annibali, G. Beccari, M. Bellazzini +7
The Smallest Scale of Hierarchy (SSH) survey is an ongoing strategic large program at the Large Binocular Telescope, aimed at the detection of faint stellar streams and satellites…
Phase-space correlation in stellar streams of the Milky Way halo: The clash of Kshir and GD-1
Khyati Malhan, Rodrigo A. Ibata, Raymond G. Carlberg +3
We report the discovery of a 70-degree long stellar stream in the Milky Way halo, which criss-crosses the well known "GD-1" stream. We show that this new stellar structure ("Kshir"…
Young stars raining through the Galactic Halo: the nature and orbit of Price-Whelan 1
M. Bellazzini, R. A. Ibata, N. Martin +3
We present radial velocities for five member stars of the recently discovered young (age= 100-150 Myr) stellar system Price-Whelan 1 (PW 1), that is located far away in the Galacti…
Identification of the Long Stellar Stream of the Prototypical Massive Globular Cluster Centauri
Rodrigo Ibata, Michele Bellazzini, Khyati Malhan +2
Omega Centauri is the most massive globular cluster of the Milky Way, and possesses many peculiar properties. In particular, the cluster contains distinct multiple stellar populati…