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Halo Substructure in the SDSS-Gaia Catalogue : Streams and Clumps
G. C. Myeong, N. W. Evans, V. Belokurov +2
We use the SDSS-Gaia Catalogue to identify six new pieces of halo substructure. SDSS-Gaia is an astrometric catalogue that exploits SDSS data release 9 to provide first epoch photo…
To the Galactic Virial Radius with Hyper Suprime-Cam
Alis J. Deason, Vasily Belokurov, Sergey E. Koposov
We exploit the exquisite, deep Hyper Suprime-Cam (HSC) imaging data to probe the Galactic halo out to 200 kpc. Using the ~100 square degree, multi-band photometry of the first HSC…
Unmixing the Galactic Halo with RR Lyrae tagging
V. Belokurov, A. J. Deason, S. E. Koposov +4
We show that tagging RR Lyrae stars according to their location in the period-amplitude diagram can be used to shed light on the genesis of the Galactic stellar halo. The mixture o…
Discovery of a thin stellar stream in the SLAMS survey
P. Jethwa, G. Torrealba, C. Navarrete +8
We report the discovery of a thin stellar stream - which we name the Jet stream - crossing the constellations of Hydra and Pyxis. The discovery was made in data from the SLAMS surv…
The Geometry of Sagittarius Stream from Pan-STARRS1 3 RR Lyrae
Nina Hernitschek, Branimir Sesar, Hans-Walter Rix +11
We present a comprehensive and precise description of the Sagittarius (Sgr) stellar stream's 3D geometry as traced by its old stellar population. This analysis draws on the sample…
Cresting the wave: Proper motions of the Eastern Banded Structure
Alis J. Deason, Vasily Belokurov, Sergey E. Koposov
We study the kinematic properties of the Eastern Banded Structure (EBS) and Hydra I overdensity using exquisite proper motions derived from the Sloan Digital Sky Survey (SDSS) and…