Radial Mixing in Galactic Discs

Abstract

We show that spiral waves in galaxy discs churn the stars and gas in a manner that largely preserves the overall angular momentum distribution and leads to little increase in random motion. Changes in the angular momenta of individual stars are typically as large as ~50% over the lifetime of the disk. The changes are concentrated around the corotation radius for an individual spiral wave, but since transient waves with a wide range of pattern speeds develop in rapid succession, the entire disk is affected. This behaviour has profound consequences for the metallicity gradients with radius in both stars and gas. The ISM is also stirred by the same mechanism. We find observational support for stirring, propose a simple model for the distribution of stars over metallicity and age, and discuss other possible consequences.

Accepted to appear in MNRAS, 13 pages, 16 figures, LaTeX uses mn2e.cls Minor additions to text and one extra figure

References in corpus (2)

• Cuspy Dark-Matter Haloes and the Galaxy
• Density waves in the shearing sheet III. Disc heating

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• How do different spiral arm models impact the ISM and GMC population?
• APOGEE chemical tagging constraint on the maximum star cluster mass in the $\alpha$-enhanced Galactic disk
• Timing the Evolution of the Galactic Disk with NGC 6791: An Open Cluster with Peculiar High-$\alpha$ Chemistry as seen by APOGEE
• Dynamics and Morphology of the Milky Way Spiral Arms from the Metallicity Distribution and Radial Mixing
• Using Commensurabilities and Orbit Structure to Understand Barred Galaxy Evolution
• Timing the Milky Way bar formation and the accompanying radial migration episode
• Dynamical Friction, Buoyancy and Core-Stalling -- I. A Non-perturbative Orbit-based Analysis
• Observational hints for radial migration in disc galaxies from CALIFA
• A Dynamical Model for Clustered Star Formation in the Galactic Disk
• VINTERGATAN-GM: The cosmological imprints of early mergers on Milky-Way-mass galaxies
• How cosmological merger histories shape the diversity of stellar haloes
• Study of the stellar population properties in the discs of ten spiral galaxies
• Local stellar formation history from the 40 pc white dwarf sample
• Combined APOGEE-GALAH stellar catalogues using the Cannon
• SDSS-IV MaNGA: Excavating the fossil record of stellar populations in spiral galaxies
• A dynamical view on stellar metallicity gradient diversity across the Hubble sequence with CALIFA
• Migration and kinematics in growing disc galaxies with thin and thick discs
• On the varied origins of up-bending breaks in galaxy disks
• Ariel stellar characterisation: I -- homogeneous stellar parameters of 187 FGK planet host stars Description and validation of the method
• Origin of chemical and dynamical properties of the Galactic thick disk
• Radial Star Formation Histories in Fifteen Nearby Galaxies
• Metallicity distributions of mono-age stellar populations of the Galactic disc from the LAMOST Galactic spectroscopic surveys
• The imprint of radial migration on the vertical structure of galaxy disks
• Long-Lived Spiral Structure for Galaxies with Intermediate Size Bulges
• Spiral-like features in the disc revealed by Gaia DR3 radial actions
• The Galactic Stellar Disc
• OSSOS XV: Probing the Distant Solar System with Observed Scattering TNOs
• Testing Density Wave Theory with Resolved Stellar Populations around Spiral Arms in M81
• The dragonfly nearby galaxies survey. Iv. A giant stellar disk in ngc 2841
• Resonant thickening of self-gravitating discs: imposed or self-induced orbital diffusion in the tightly wound limit
• Empirical Constraints on the Nucleosynthesis of Nitrogen
• The Rotation-Metallicity Relation for the Galactic Disk as Measured in the Gaia DR1 TGAS and APOGEE Data
• Asymmetric mass models of disk galaxies - I. Messier 99
• The imprint of satellite accretion on the chemical and dynamical properties of disc galaxies
• How to bend galaxy disc profiles II: stars surfing the bar in Type-III discs
• Evidence of Early Enrichment of the Galactic Disk by Large-Scale Winds
• The thick disk rotation-metallicity correlation as a fossil of an "inverse chemical gradient" in the early Galaxy
• Investigating the Origins of Spiral Structure in Disk Galaxies through a Multiwavelength Study
• The GALAH Survey: Temporal Chemical Enrichment of the Galactic Disk
• Characterizing the radial oxygen abundance distribution in disk galaxies
• SDSS IV MaNGA: Bar pattern speed in Milky Way Analogue galaxies
• A first estimate of the Milky Way dark matter halo spin
• Strong spiral arms drive secular growth of pseudo bulges in disk galaxies
• An Observational Estimate for the Mean Secular Evolution Rate in Spiral Galaxies
• Probabilities for Solar Siblings
• Chemical Properties of the Local Galactic Disk and Halo. I. Fundamental Properties of 1,544 Nearby, High Proper-Motion M dwarfs and subdwarfs
• Young stars as tracers of a barred-spiral Milky Way
• Impact of distance determinations on Galactic structure. I. Young and intermediate-age tracers
• Extragalactic archeology with the GHOSTS Survey I. - Age-resolved disk structure of nearby low-mass galaxies
• From birth associations to field stars: mapping the small-scale orbit distribution in the Galactic disc
• Constraining the Milky Way assembly history with Galactic Archaeology. Ludwig Biermann Award Lecture 2015
• Galactic disc profiles and a universal angular momentum distribution from statistical physics
• The selection function of the LAMOST Spectroscopic Survey of the Galactic Anticentre
• Exponential Disks from Stellar Scattering: III. Stochastic Models
• The global and radial stellar mass assembly of Milky Way-sized galaxies
• The Contribution of Spiral Arms to the Thick Disk along the Hubble Sequence
• NGC 6705 a young $\alpha$-enhanced Open Cluster from OCCASO data
• Star formation bursts in isolated spiral galaxies
• Self-gravity, resonances and orbital diffusion in stellar discs
• Age dissection of the vertical breathing motions in Gaia DR2: evidence for spiral driving
• Asymmetric Drift in the Andromeda Galaxy (M31) as a Function of Stellar Age
• Chemodynamical signatures of bar resonances in the Galactic disk: current data and future prospects
• The Role of Stellar Radial Motions in Shaping Galaxy Surface Brightness Profiles
• Observational Constraints of Radial Migration in the Galactic Disc Driven by the Slowing Bar
• Non-circular Motions in the Outer Perseus Spiral Arm
• An Intermediate-age Alpha-rich Galactic Population in K2
• The AMBRE Project: Solar neighbourhood chemodynamical constraints on Galactic disc evolution
• The APO-K2 Catalog. II. Accurate Stellar Ages for Red Giant Branch Stars across the Milky Way
• Exploring stellar and ionized gas non--circular motions in barred galaxies with MUSE
• The mystery in Gaia DR3 triples: occurrence rates, orientations, and eccentricities of wide tertiaries around close binaries
• Kinematics of symmetric Galactic longitudes to probe the spiral arms of the Milky Way with Gaia
• Mass Distribution and Bar Formation in Growing Disk Galaxy Models
• The Milky Way and Andromeda galaxies in a constrained hydrodynamical simulation: morphological evolution
• The Influence of 10 Unique Chemical Elements in Shaping the Distribution of Kepler Planets
• Metallicity Distribution of Disk Stars and the Formation History of the Milky Way
• Spiral instabilities: Mode saturation and decay
• The Triangulum Extended (TREX) Survey: The Stellar Disk Dynamics of M33 as a Function of Stellar Age
• Was Proxima captured by alpha Centauri A and B?
• Galactic perturbations on the population of wide binary stars with exoplanets
• New insights in the origin and evolution of the old, metal-rich open cluster NGC 6791
• A Galactic Ring of Minimum Stellar Density Near the Solar Orbit Radius
• Exponential profiles from stellar scattering off interstellar clumps and holes in dwarf galaxy discs
• Instabilities in disc galaxies: from noise to grooves to spirals
• The history of stellar metallicity in a simulated disc galaxy
• Quest for finding the lost siblings of the Sun
• Secular resonant dressed orbital diffusion I : method and WKB limit for tepid discs
• Linking the formation and fate of exo-Kuiper belts within solar system analogues
• Radial migration and vertical action in N-body simulations
• The local standard of rest and the well in the velocity distribution
• Revealing the spiral arms through radial migration and the shape of the Metallicity Distribution Function
• Deep ALTAIR + NIRI Imaging of the Disk and Bulge of M31
• Destruction of star clusters due to the radial migration in spiral galaxies
• Stellar Populations in the Outer Disk and Halo of the Spiral Galaxy M101
• The Effect of Environment on Galaxy Spiral Arms, Bars, Concentration, and Quenching
• Testing abundance-age relations beyond solar analogues with Kepler LEGACY stars
• ISM metallicity variations across spiral arms in disk galaxies: the impact of local enrichment and gas migration in the presence of radial metallicity gradient
• Smoothing Rotation Curves and Mass Profiles
• Age-metallicity dependent stellar kinematics of the Milky Way disc from LAMOST and Gaia
• The role of radial migration in open cluster and field star populations with Gaia dr3
• The changing GMC population in galaxy interactions
• Analytic solution of Chemical Evolution Models with Type Ia SNe
• The Prevalence of Type III Disc Breaks in HI-rich and Low-spin Galaxies
• Can ultralight dark matter explain the age-velocity dispersion relation of the Milky Way disc: A revised and improved treatment
• Radial migration in numerical simulations of Milky Way-sized galaxies
• Star Formation in Two Luminous Spiral Galaxies
• A Spectroscopic Study of the H-alpha Surface Brightness Profiles in the Outer Disks of Galaxies
• Secular resonant dressed orbital diffusion II : application to an isolated self similar tepid galactic disc
• Searching for Possible Siblings of the Sun from a Common Cluster based on Stellar Space Velocities
• Galactic Kinematics from OB3 Stars with Distances determined from Interstellar Ca II Lines
• Radial Star Formation Histories in 32 Nearby Galaxies
• On the Chemical and Structural Evolution of the Galactic Disk
• Evolution of Massive Galaxy Structural Properties and Sizes via Star Formation In the GOODS NICMOS Survey
• When Cold Radial Migration is Hot: Constraints from Resonant Overlap
• Time-dependent Corotation Resonance in Barred Galaxies
• Disc dichotomy signature in the vertical distribution of [Mg/Fe] and the delayed gas infall scenario
• Cardinal kinematics: I. Rotation fields of the APOGEE Survey
• Metallicities in the Outer Regions of Spiral Galaxies
• The Impact of Stellar Migration on Disk Outskirts
• Correlations between age, kinematics, and chemistry as seen by the RAVE survey
• The Galactic Interstellar Object Population: A Framework for Prediction and Inference
• Genesis of morpho-kinematic lopsidedness in minor merger of galaxies
• Identification of Absorption Lines of Heavy Metals in the Wavelength Range 0.97--1.32 Micron
• Actions are weak stellar age indicators in the Milky Way disk
• The Milky Way, Coming into Focus: Precision Astrometry Probes its Evolution, and its Dark Matter
• Local Stellar Kinematics from RAVE data - VI. Metallicity Gradients Based on the F-G Main-sequence Stars
• Stellar scattering and the formation of exponential discs in self-gravitating systems
• Quantifying the fine structures of disk galaxies with deep learning:Segmentation of spiral arms in different Hubble types
• Star-Forming Environments Throughout the M101 Group
• The Origin of Stars in the Inner 500 Parsecs in TNG50 Galaxies
• Eta-Earth Revisited II: Deriving a Maximum Number of Earth-like Habitats in the Galactic Disk
• A Mechanism for the Oxygen and Iron Bimodal Radial Distribution Formation in the Disc of our Galaxy
• Spiral instabilities: Linear and nonlinear effects
• Habitability properties of circumbinary planets
• Testable predictions of outside-in age gradients in dwarf galaxies of all types
• Remarkable migration of the solar system from the innermost Galactic disk; a wander, a wobble, and a climate catastrophe on the Earth
• Mild evolution of the stellar metallicity gradients of disc galaxies
• The Gaia-ESO Survey: Old super-metal-rich visitors from the inner Galaxy
• Metallicity Gradient of the Thick Disc Progenitor at High Redshift
• Chemo-Dynamical Clustering applied to APOGEE data: Re-Discovering Globular Clusters
• The Young Outer Disk of M83
• Kinematics of the Galactic disk from LAMOST Dwarf sample
• Sedna and the cloud of comets surrounding the Solar System in Milgromian dynamics
• Predicting Interstellar Object Chemodynamics with Gaia
• Towards a fully consistent Milky Way disk model -- IV. The impact of Gaia DR2 and APOGEE
• Deep Narrowband Photometry of the M101 Group: Strong-Line Abundances of 720 HII Regions
• A Test for Radial Mixing Using Local Star Samples
• Manifold spirals, disc-halo interactions and the secular evolution in N-body models of barred galaxies
• Stellar encounters with giant molecular clouds
• Tracing birth properties of stars with abundance clustering
• The Influence of Radial Stellar Migration on the Chemical Evolution of the Milky Way
• JWST reveals a high fraction of disk breaks at $1\le z\le 3$
• Stellar migration in the Auriga simulations
• How the bar properties affect the induced spiral structure
• Disk mass and disk heating in the spiral galaxy NGC 3223
• The vertical metallicity gradients of mono-age stellar populations in the Milky Way with the RAVE and Gaia data
• A possible signature of the influence of tidal perturbations in dwarf galaxy scaling relations
• Empirical derivation of the metallicity evolution with time and radius using TNG50 Milky Way/Andromeda analogues
• Time evolution of Ce as traced by APOGEE using giant stars observed with the Kepler, TESS and K2 missions
• Stellar escapers from M67 can reach solar-like Galactic orbits
• The Stellar Disk of M81
• Structure and Evolution of the Milky Way
• Asymmetric metallicity patterns in the stellar velocity space with RAVE
• Sun-like stars unlike the Sun: Clues for chemical anomalies of cool stars
• Radial velocities in the outermost disk toward the anticenter
• Beyond the Local Volume. II. Population Scaleheights and Ages of Ultracool Dwarfs in Deep HST/WFC3 Parallel Fields
• The Stellar Archeology of the M33 Disk: Recent Star-Forming History and Constraints on the Timing of an Interaction with M31
• Evolution of the radial ISM metallicity gradient in the Milky Way disk since redshift $\approx 3$
• Insights into the Formation and Evolution History of the Galactic Disk System
• The quenched mass portion of star-forming galaxies and the origin of the star formation sequence slope
• Old open clusters and the Galactic metallicity gradient: Berkeley 20, Berkeley 66, and Tombaugh 2
• The kinematics of young and old stellar populations in nuclear rings of MUSE TIMER galaxies
• From Galactic Chemical Evolution to Cosmic Supernova Rates Synchronized with Core-Collapse Supernovae Limited to the Narrow Progenitor Mass Range
• Using heritability of stellar chemistry to reveal the history of the Milky Way
• A Spectroscopic Survey of Field Red Horizontal-Branch Stars
• Efficient radial migration by giant molecular clouds in the first several hundred Myr after the stellar birth
• New Constraints on the Origin of Surface Brightness Profile Breaks of Disk Galaxies from MaNGA
• Wide binaries from the H3 survey: the thick disk and halo have similar wide binary fractions
• Galactic r-process abundance feature shaped by radial migration
• The chemical enrichment of the Milky Way disk evaluated using conditional abundances
• Evolution of the spiral structure of galaxies from the HST COSMOS field
• Double Red Giant Branch and Red Clump features of Galactic disc stellar populations with Gaia GSPspec
• Imprints of Zero-Age Velocity Dispersions and Dynamical Heating on the Age-Velocity dispersion Relation
• Solar System Migration Points to a Renewed Concept: Galactic Habitable Orbits
• Quantifying Chaos in Models of the Solar Neighbourhood
• The effects of metallicity on the Galactic disk population of white dwarfs
• Neon, sulphur and argon abundances of planetary nebulae in the sub-solar metallicity Galactic anti-centre
• Bar-driven dispersal of Galactic substructure
• Could very low-metallicity stars with rotation-dominated orbits have been shepherded by the bar?
• Exploring the impact of a rapidly decelerating bar on transforming bulge orbits into disc-like orbits
• RemoveYoung: A tool for the removal of the young stellar component in galaxies within an adjustable age cutoff
• Milky Way-like galaxies: stellar population properties of dynamically defined disks, bulges and stellar halos
• Near-exponential surface densities as hydrostatic, nonequilibrium profiles in galaxy discs
• The Chemical Abundance Structure of the Inner Milky Way: A Signature of "Upside-Down" Disk Formation?
• The origin of type-I profiles in cluster lenticulars: An interplay between ram pressure stripping and tidally-induced spiral migration
• Zoom-in cosmological hydrodynamical simulation of a star-forming barred, spiral galaxy at redshift z=2
• Recent star formation episodes in the Galaxy: impact on its chemical properties and the evolution of its abundance gradient
• Very metal-poor stars in the solar vicinity: age determination
• Galactic disc heating by density granulation in fuzzy dark matter simulations
• Outskirts of Nearby Disk Galaxies: Star Formation and Stellar Populations
• Power-law Sersic profiles in hydrostatic stellar galaxy discs
• Renewal of Transient Spiral Modes in Disk Galaxies
• Cold Exponential Disks From Interstellar Fountains
• SpectroTranslator: a deep-neural network algorithm to homogenize spectroscopic parameters
• A Monte Carlo based simulation of the galactic chemical evolution of the Milky Way galaxy
• Radial stellar populations of AGN-host dwarf galaxies in SDSS-IV MaNGA survey
• Element abundance analysis of the metal-rich stellar halo and high-velocitythick disk in the galaxy
• Quantifying the influence of bars on action-based dynamical modelling of disc galaxies
• Probing the strength of radial migration via churning by using metal-rich red giant stars from APOGEE
• An observational testbed for cosmological zoom-in simulations: constraining stellar migration in the solar cylinder using asteroseismology
• A Multi-Wavelength Study of Star Formation in 15 Local Star-Forming Galaxies
• Spiral stellar density waves and the flattening of abundance gradients in the warm gas component of spiral galaxies
• The Magellanic Puzzle: origin of the periphery
• Simulating Sinking Satellites with SUPERBOX-10
• Limitations and rotation of the two-armed phase spiral in the Milky Way stellar disc
• Rediscovering the Milky Way with orbit superposition approach and APOGEE data II. Chrono-chemo-kinematics of the disc
• High-Resolution Chemical Abundances of the Nyx Stream
• Chemodynamic evolution of Sun-like stars in nearby moving groups
• Exploring the dependence of chemical traits on metallicity: chemical trends for red giant stars with asteroseismic ages
• Asymmetric Drift of Andromeda Analogs in the IllustrisTNG Simulation
• Turn-off of Deuterium Astration in the Recent Star Formation of the Galaxy Disk
• Euclid: Early Release Observations -- The surface brightness and colour profiles of the far outskirts of galaxies in the Perseus cluster
• A kinematically constrained kick distribution for isolated neutron stars
• Bar-spiral interaction produces radial migration and star formation bursts
• Effects of secular growth and mergers on the evolution of metallicity gradients and azimuthal variations in a Milky Way-like galaxy
• The Radial Distribution of Mono-Metallicity Populations in the Galactic Disk as Evidence for Two-Phase Disk Formation
• On the Migration Origin of the Hercules Moving Group with GAIA, LAMOST, APOGEE, and GALAH Surveys
• Color profiles of disk galaxies at $z=1$-$3$ observed with JWST: Implications for outer-disk formation histories
• Understanding Fomalhaut as a Cooper pair
• Spiral Instabilities in N-body Simulations: Emergence from noise II
• A pilot study using deep infrared imaging to constrain the star formation history of the XUV stellar populations in NGC 4625
• The Lives of Stars: Insights From the TGAS-RAVE-LAMOST Dataset
• Entropy and Mass Distribution in Disc Galaxies
• Dynamical models and Galaxy surveys
• Origin of Non-axisymmetric Features of Virgo Cluster Early-type Dwarf Galaxies. II. Tidal Effects on Disk Features and Stability
• The role of radial migration on tracing lithium evolution in the Galactic disk
• Dynamical Origin for the Collinder 132-Gulliver 21 Stream: A Mixture of three Co-Moving Populations with an Age Difference of 250 Myr
• Potential Impact of the Sagittarius Dwarf Galaxy on the Formation of Young O-rich Stars
• Gas Inflow and Outflow Histories in Disk Galaxies as Revealed from Observations of Distant Star-Forming Galaxies
• Galaxy Dynamics: Secular Evolution and Accretion
• New Observational Constraints to Milky Way Chemodynamical models
• How stars formed in warps settle into (and contaminate) thick discs
• Systematic motions in the Galactic plane found in the Hipparcos Catalogue using Herschel's Method
• Effects of environment on stellar metallicity profiles of late-type galaxies in the CALIFA survey
• Triangulum-Andromeda overdensity: a region with a complex stellar population
• Resonance coupling in spiral arms: Patterns for flat rotation curve
• Stellar Migration and Chemical Enrichment in the Milky Way Disc: A Hybrid Model
• CEMPlifying reionization
• Unstable Disk Galaxies. II. the Origin of Growing and Stationary Modes
• N-Body Simulations of Collective Effects in Spiral and Barred Galaxies
• Probing the origins. I. Generalised Additive Model inference of birth radii for Milky Way stars in the solar vicinity
• Chemodynamical Ages of Small-Scale Kinematic Structures of the Galactic Disc in the Solar Neighborhood from ~250,000 K and M Dwarfs
• Bimodal Distribution of Galactic Disk Stars on the [alpha/Fe]-[Fe/H] Plane as a Possible Evidence of Discontinuous Radial Migration History
• The Milky Way in context: The formation of galactic discs and chemical sequences from a cosmological perspective
• Diffusion of radial action in a galactic disc
• Galactic Effects on Habitability
• Kinematic origin of white dwarfs in the solar neighborhood
• Fundamental limits to orbit reconstruction due to non-conservation of stellar actions in a Milky Way-like simulation
• Orbits and action changes during star-clump encounters responsible for the origin of exponential discs in dwarf galaxies
• Tracking Cluster Debris (TraCD)- I. Dissolution of clusters and searching the solar cradle
• Transforming galaxies with EASE: widespread structural changes enabled by short-lived spirals
• A path towards constraining the evolution of the interstellar medium and outflows in the Milky Way using APOGEE
• A large, long-lived, slowly-expanding superbubble across the Perseus Arm
• A Statistical Relation between Mass, Age and Velocity Dispersion in the Solar Neighborhood
• Chemodynamics of the Milky Way and disc formation history: insight from the RAVE and Gaia-ESO surveys
• Vertical kinematics of the thick disc at 4.5 < R < 9.5 kpc
• Stellar Ages: A Code to Infer Properties of Stellar Populations
• The Impact of Bars, Spirals and Bulge-Size on Gas-Phase Metallicity Gradients in MaNGA Galaxies
• Improved SED-Fitting Assumptions Result in Inside-Out Quenching at $z\sim 0.5$ and Quenching at All Radii Simultaneously at $z\sim 1$
• Investigating the vertical distribution of the disk as a function of radial action
• Gaia DR1 completeness within 250 pc and star formation history of the Solar neighbourhood
• Where in the Milky Way Do Exoplanets Preferentially Form?
• On the origin of the Hercules group: I. chemical signatures indicating the outer bar origin
• The role of environment on the evolution of disc galaxies density profiles New insights from simulations and comparison to Euclid data
• Implications of a spatially resolved main sequence for the size evolution of star forming galaxies
• Outer Regions of the Milky Way
• Milky Way's Metal-Poor Stars display Chemical Transition near the Solar Radius
• Resonant Effects of a Bar on the Galactic Disk Kinematics Perpendicular to Its Plane
• Tidally-induced radial migration waves in LMC-like galaxies
• Metallicity and kinematical clues to the formation of the Local Group
• Radial Mixing due to Spiral-Bar Resonance Overlap: Implications to the Milky Way
• On the chemical evolution of the Milky Way
• On the long-term evolution of razor-thin galactic discs: Balescu-Lenard prediction and perspectives
• Signatures of simulated spiral arms on radial actions
• Solar twins in Gaia DR3 GSP-Spec II. Age distribution and its implications for the Sun's migration
• Radial Migration in Spiral Galaxies
• The Mitchell Spectrograph: Studying Nearby Galaxies with the VIRUS Prototype
• Optimal Emergency Frequency Control Based on Coordinated Droop in Multi-Infeed Hybrid AC-DC System
• The odd bunch: chrono-chemo-dynamics of sixteen unusual stars from Kepler
• Exponential galaxy discs as the quasi-stationary distribution in a Markov chain model simulating stellar scattering
• Comparing radial migration in dark matter and MOND regimes
• Dark-matter-induced transients over cosmic time: The role of star formation history profiles
• Evolution and star formation history of NGC300 from a chemical evolution model with radial gas inflows
• Revisiting the Radial Metallicity Gradient-Age Relation in the Milky Way's Thin and Thick Disks
• First large scale spatial and velocity patterns of local metal-rich stars in the Milky Way
• Stirring Things Up: Bar-induced substructures in the stellar halo of a cosmological Milky Way analogue
• Mapping the Milky Way with Gaia Bp/Rp spectra-IV: the broken and asymmetric density profile of the stellar disk traced by a large sample of red clumps
• Rethinking Habitability using Biogenic Precursors: Formaldehyde in Millimeter Molecular Clouds of the Inner Galaxy
• Stellar population modelling of neutron stars and black holes: spatially-resolved graveyards in MaNGA/SDSS-IV galaxies
• Moving Groups in the Solar Neighborhood with Gaia, APOGEE, GALAH, and LAMOST: Dynamical Effects Gather Gas and the Ensuing Star Formation Plays an Important Role in Shaping the Stellar Velocity Distributions
• Probing the spatial and velocity anisotropies in stellar halos from the Aquarius simulations
• Wrinkles in Time. II. Stellar Age Trends in Kinematic Signatures from Transient Spiral Structure
• Evolution of action-space coherence in a Milky Way-like simulation
• Two Sites of r-Process Production Assessed on the Basis of the Age-tagged Abundances of Solar Twins
• The young stellar clusters in M51 and the impact of GMC encounters
• Turning Points in the Age-Metallicity Relations -- Created by Late Satellite Infall and Enhanced by Radial Migration
• Oxygen abundance in local disk and bulge: chemical evolution with a strictly universal IMF
• Signatures of Galactic Expansion in Gaia DR3: Implications for the JWST Early-Galaxy Puzzle
• Rapid early gas accretion for the inner Galactic disc
• How galaxies form: Mass assembly from chemical abundances in the era of large surveys
• The chemodynamical memory of a major merger in a NIHAO-UHD Milky Way analogue -- I. A golden thread through time and space
• Dark Matter Density in Disk Galaxies
• High and low Sérsic index bulges in Milky Way- and M31-like galaxies: origin and connection to the bar with TNG50
• Dynamical interplay of disc thickness and the interstellar gas: implication for the longevity of spiral density waves
• The kinematics of very low mass dwarfs: splinter session summary
• Understanding the Galaxy
• Dynamical orbital evolution scenarios of the wide-orbit eccentric planet HR 5183b
• Deep chemical tagging -- Identifying open clusters and moving groups in chemical space with graph attention networks
• The impact of radial migration on disk galaxy star formation histories: II. Role of bar strength, disk thickness, and merger history
• Functional Data Analysis for Extracting the Intrinsic Dimensionality of Spectra: Application to Chemical Homogeneity in the Open Cluster M67
• The stellar remnants of high redshift nuclear starburst discs: a potential origin for nuclear star clusters?
• A Dynamic Galaxy: Stellar Age Patterns Across the Disk of M101
• Galactic Surveys in the Gaia Era
• 3D elemental abundances of stars at formation across the histories of Milky Way-mass galaxies in the FIRE simulations
• Formation of spiral structure from the violent relaxation of self-gravitating disks
• Galactic tides in the Solar System within a non-axisymmetric Milky Way model adjusted to Gaia data
• Bar Properties and Star-by-Star Bar Membership via Action Conservation
• Superbubbles as the source of dynamical friction: gas migration, stellar and dark matter contributions
• Impacts of Radial Mixing on the Galactic Thick and Thin Disks