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The Southern Hemisphere Narrow-Line Seyfert 1 Infrared Survey
Mark Durré, Jeremy Mould
We present a near-infrared spectroscopic survey of narrow-line Seyfert 1 galaxies in the southern hemisphere (using the SOFI instrument on the ESO-NTT telescope), sampled from opti…
A Photometric and Kinematic Analysis of UDG1137+16 (dw1137+16): Probing Ultra-Diffuse Galaxy Formation in a Group Environment
Jonah S. Gannon, Bililign T. Dullo, Duncan A. Forbes +6
The dominant physical formation mechanism(s) for ultra-diffuse galaxies (UDGs) is still poorly understood. Here, we combine new, deep imaging from the Jeanne Rich Telescope with de…
The tidal remnant of an unusually metal-poor globular cluster
Zhen Wan, Geraint F. Lewis, Ting S. Li +18
Globular clusters are some of the oldest bound stellar structures observed in the Universe. They are ubiquitous in large galaxies and are believed to trace intense star formation e…
Understanding the Fundamental Plane and the Tully Fisher Relation
Jeremy Mould
The relation between early type galaxy size, surface brightness and velocity dispersion, "the fundamental plane", has long been understood as resulting from equilibrium in their la…
The Southern Stellar Stream Spectroscopic Survey (): Overview, Target Selection, Data Reduction, Validation, and Early Science
T. S. Li, S. E. Koposov, D. B. Zucker +29
We introduce the Southern Stellar Stream Spectroscopy Survey (), an on-going program to map the kinematics and chemistry of stellar streams in the Southern Hemisphere. The i…
The intermediate age population of the Galactic halo
Jeremy Mould
We have learned recently that the inner halo of the Milky Way contains a kinematically coherent component (Gaia-Enceladus) from a significant merger 10 Gyrs ago. By contrast the in…