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Orbital Clustering Identifies the Origins of Galactic Stellar Streams
Ana Bonaca, Rohan P. Naidu, Charlie Conroy +9
The origins of most stellar streams in the Milky Way are unknown. With improved proper motions provided by Gaia EDR3, we show that the orbits of 23 Galactic stellar streams are hig…
Ancient Very Metal-Poor Stars Associated With the Galactic Disk in the H3 Survey
Courtney Carter, Charlie Conroy, Dennis Zaritsky +8
Ancient, very metal-poor stars offer a window into the earliest epochs of galaxy formation and assembly. We combine data from the H3 Spectroscopic Survey and Gaia to measure metall…
The Second Data Release of the Survey of the MAgellanic Stellar History (SMASH)
David L. Nidever, Knut Olsen, Yumi Choi +32
The Large and Small Magellanic Clouds (LMC and SMC) are the largest satellite galaxies of the Milky Way and close enough to allow for a detailed exploration of their structure and…
Discovery of Magellanic Stellar Debris in the H3 Survey
Dennis Zaritsky, Charlie Conroy, Rohan P. Naidu +9
We report the discovery of 15 stars in the H3 survey that lie, in projection, near the tip of the trailing gaseous Magellanic Stream (MS). The stars have Galactocentric velocities…
The intrinsic reddening of the Magellanic Clouds as traced by background galaxies -- II. The Small Magellanic Cloud
Cameron P. M. Bell, Maria-Rosa L. Cioni, A. H. Wright +23
We present a map of the total intrinsic reddening across ~34 deg of the Small Magellanic Cloud (SMC) derived using optical () and near-infrared (IR; …
The GOGREEN survey: Post-infall environmental quenching fails to predict the observed age difference between quiescent field and cluster galaxies at z>1
Kristi Webb, Michael L. Balogh, Joel Leja +29
We study the star formation histories (SFHs) and mass-weighted ages of 331 UVJ-selected quiescent galaxies in 11 galaxy clusters and in the field at 1<z<1.5 from the Gemini Observa…