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Reading the CARDs: the Imprint of Accretion History in the Chemical Abundances of the Milky Way's Stellar Halo
Emily C. Cunningham, Robyn E. Sanderson, Kathryn V. Johnston +7
In the era of large-scale spectroscopic surveys in the Local Group (LG), we can explore using chemical abundances of halo stars to study the star formation and chemical enrichment…
The Clustering of Orbital Poles Induced by the LMC: Hints for the Origin of Planes of Satellites
Nicolas Garavito-Camargo, Ekta Patel, Gurtina Besla +4
A significant fraction of Milky Way (MW) satellites exhibit phase-space properties consistent with a coherent orbital plane. Using tailored N--body simulations of a spherical MW ha…
Tracing birth properties of stars with abundance clustering
Bridget L. Ratcliffe, Melissa K. Ness, Tobias Buck +4
To understand the formation and evolution of the Milky Way disk, we must connect its current properties to its past. We explore hydrodynamical cosmological simulations to investiga…
Snails Across Scales: Local and Global Phase-Mixing Structures as Probes of the Past and Future Milky Way
Suroor S. Gandhi, Kathryn V. Johnston, Jason A. S. Hunt +3
Signatures of vertical disequilibrium have been observed across the Milky Way's disk. These signatures manifest locally as unmixed phase-spirals in -- space ("snails-in-pha…
Resolving local and global kinematic signatures of satellite mergers with billion particle simulations
Jason A. S. Hunt, Ioana A. Stelea, Kathryn V. Johnston +3
In this work we present two new particle self-consistent simulations of the merger of a Sagittarius-like dwarf galaxy with a Milky Way-like disc galaxy. One model is a v…
The Hough Stream Spotter: A New Method for Detecting Linear Structure in Resolved Stars and Application to the Stellar Halo of M31
Sarah Pearson, Susan E. Clark, Alexis J. Demirjian +5
Stellar streams from globular clusters (GCs) offer constraints on the nature of dark matter and have been used to explore the dark matter halo structure and substructure of our Gal…