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155 papers · 1 filter
The Fate of Globular Cluster Substructure: A Kinematic Response to Galaxy Assembly
Finn A. Pal, Sarah L. Martell, Elizabeth J. Iles
Globular clusters (GCs) are powerful tracers of galaxy assembly, frequently used to identify accreted substructure and reconstruct hierarchical merger histories. With advances in G…
Bar Properties and Star-by-Star Bar Membership via Action Conservation
Elizabeth J. Iles, Finn A. Pal, Joss Bland-Hawthorn +1
A bar-like central feature is commonly observed in both nearby and distant spiral-type galaxies, including the Milky Way. While many methods exist to categorise this morphology, no…
Most Strong Lensing Deflectors in the AGEL Survey Are in Group and Cluster Environments
William J. Gottemoller, Nandini Sahu, Rodrigo Cordova-Rosado +11
The environments of deflectors in strong lensing systems affect our ability to test cosmological models and constrain evolutionary properties of galaxies. Here we measure the defle…
Epicyclic Density Variations in the Indus Stellar Stream
Yong Yang, Geraint F. Lewis, Ting S. Li +12
Longitudinal density fluctuations observed in stellar streams can result from gravitational interactions with massive perturbers in the Milky Way, such as dark matter subhalos. Ana…
Measuring the evolution of stellar bars with the host galaxy's spin
Robin Joshi, Scott M. Croom, Stefania Barsanti +3
We examine to what extent the galaxy spin parameter proxy () is affected by bar formation and how it is related to the strong and weak classifications of stellar bars. By crea…
The MAGPI Survey: forward modelled gas-phase metallicity gradients in galaxies at
Yifan Mai, Scott M. Croom, Emily Wisnioski +19
We measure the seeing-deconvolved gas-phase metallicity gradients of 70 star-forming galaxies at from the MAGPI survey and investigate their relationship with galaxy pr…