Here’s the list of papers discussed during the journal club of Prof. Victor Debattista’s Galaxy Dynamics Group.
May 26th 2026:
- Dave: Age bimodality in pseudo-bulges of barred spiral galaxies: bar-driven evolution across cosmic time
May 5th 2026:
April 28th 2026:
April 21st 2026:
April 14th 2026:
March 17th 2026:
March 10th 2026:
March 3rd 2026:
- Dave: Bar formation in disc galaxies: internal kinematics and environmental influence in MaNGA galaxies
February 24th 2026:
February 10th 2026:
February 3rd 2026:
January 27th 2026:
January 20th 2026:
December 16th 2025:
November 7th 2025:
October 31st 2025:
- Xiaojie: Orbit-based structural decomposition and stellar population recovery for edge-on barred galaxies
October 24th 2025:
- Ivan: [Ansae in barred galaxies]
October 17th 2025:
October 9th 2025:
October 3rd 2025:
September 26th 2025:
August 22nd 2025:
- Shashank Dattathri: [New developments on modeling bars and boxy/peanut bulges]
August 15th 2025:
- Xiaowei Ou: [Talk: The pitfalls of the Milky Way rotational curve]
August 8th 2025:
August 1st 2025:
July 11th 2025:
June 27th 2025:
June 6th 2025:
May 30th 2025:
May 23rd 2025:
May 16th 2025:
May 2nd 2025:
April 11th 2025:
April 4th 2025:
March 28th 2025:
March 21st 2025:
March 14th 2025:
February 17th 2025:
January 27th 2025:
- Joao: ffect of gas accretion on 𝛼-element bimodality in Milky Way-massgalaxies in the FIRE-2 simulations
January 20th 2025:
January 13th 2025:
December 16th 2024:
December 10th 2024:
December 3d 2024:
April 23rd 2024:
April 16th 2024:
April 2nd 2024:
March 12th 2024:
February 27th 2024:
February 20th 2024:
February 13th 2024:
February 6th 2024:
- Steven: The rise and fall of bars in disc galaxies from z=1 to z=0. The role of the environment
- Joao: Insight into the Galactic Bulge Chemodynamical Properties
November 14th 2023:
November 7th 2023:
October 13th 2023:
- Dr Zdeněk Prudil, of ESO
August 29th 2023:
July 5th 2023:
June 20th 2023:
June 13th 2023:
June 6th 2023:
May 30th 2023:
- Virginia: How to Flip a Bar
May 16th 2023:
April 18th 2023:
March 28th 2023:
March 14th 2023:
- Leandro: Stellar Dynamical Modeling – Counting Conserved Quantities
- Joao: The metal-weak Milky Way stellar disk hidden in the Gaia-Sausage-Enceladus debris: the APOGEEDR17 view
March 07th 2023:
- Stuart: 𝙴𝚂𝙲𝙰𝚁𝙶𝙾𝚃: Mapping Vertical Phase Spiral Characteristics Throughout the Real and Simulated Milky Way
February 28th 2023:
February 21st 2023:
February 14th 2023:
- Stuart: The phase spiral in Gaia DR3
February 7th 2023:
January 31st 2023:
- Stuart: The origin and fate of the Gaia phase-space snail
- Joao: Chemodynamical Analysis of Metal-rich High-eccentricity Stars in the Milky Way’s Disk
January 24th 2023:
January 17th 2023:
November 29th 2022:
November 22nd 2022:
November 15th 2022:
November 8th 2022:
October 25th 2022:
October 4th 2022:
September 27th 2022:
September 20th 2022:
September 13th 2022:
- Tigran: Tracing the Milky Way warp and spiral arms with classical Cepheids
- Leandro: Stellar Bars in Isolated Gas-Rich Spiral Galaxies Do Not Slow Down
September 06th 2022:
August 23rd 2022:
August 16th 2022:
July 26th 2022:
July 5th 2022:
June 28th 2022:
June, 21st 2022:
- Leandro: Constraining the length and pattern speed of the Milky Way bar from direct orbit integration of APOGEE and Gaia data
- Chiara: Ωbar in NGC 5597 from VLA HI 21 cm Observations
June, 14th 2022:
- Stuart: The stellar mass distribution of the Milky Way’s bar: an analytic mode
- Stuart: Age-morphology dependence of the Milky Way boxy/peanut bulge seen in Mira variables
- Stuart: Reliability and limitations of inferring birth radii in the Milky Way disk
June, 7th 2022:
May, 31st 2022:
May, 3rd 2022:
April, 5th 2022:
March, 29th 2022:
March, 22nd 2022:
- Leandro: Radial oxygen and argon abundance gradients of the thin and thicker disc of Andromeda from planetary nebulae
- Steven: Local variations of the Stellar Velocity Ellipsoid-II: the effect of the bar in the inner regions of Auriga galaxies
March, 15th 2022:
- Virginia: B/PS bulges in DESI Legacy edge-on galaxies I: Sample building
- Leandro: From dawn till disk: Milky Way’s turbulent youth revealed by the APOGEE+Gaia data
March, 8th 2022:
- Luismi
March, 1st 2022:
- Joao: A Tilt in the Dark Matter Halo of the Galaxy
- Leandro: Quantifying radial migration in the Milky Way: Inefficient over short timescales but essential to the very outer disc beyond ~15 kpc
February, 22nd 2022:
- Tigran: Bending Waves in Velocity Space: a First Look at the THINGS sample
- Chiara: The Triangulum Extended (TREX) Survey: The Stellar Disk Dynamics of M33 as a Function of Stellar Age
February, 15th 2022:
- Kate Daniel (Bryn Mawr College)
February, 8th 2022:
February, 1st 2022:
November, 16th 2021:
- Joao: Age Determination of Galaxy Merger Remnant Stars using Asteroseismology
- Francesca: Using the EAGLE simulations to elucidate the origin of disc surface brightness profile breaks as a function of mass and environment
November, 9th 2021:
- Behzad Tahmasebzadeh (SHAO)
November, 2nd 2021:
- Peter Erwin (MPE)
October, 26th 2021:
- Stuart: Lopsided galactic bars
- Stuart: What is Important? Morphological Asymmetries are Useful Predictors of Star Formation Rates of Star-forming Galaxies in SDSS Stripe 82
October, 12th 2021:
- Laurent Eyer (Geneva University)
October, 5th 2021:
September, 28th 2021:
September, 21st 2021:
- Joao: The GALAH Survey: Chemical tagging and chrono-chemodynamics of accreted halo stars with GALAH+ DR3 and Gaia eDR3
- Chiara: GASP and MaNGA surveys shed light on the enigma of the gas metallicity gradients in disk galaxies
September, 7th 2021:
August, 10th 2021:
August, 3rd 2021:
- Joao: Resolving local and global kinematic signatures of satellite mergers with billion particle simulations
- Steven: The small boxy/peanut structure of the Milky Way traced by old stars
July, 27th 2021:
July, 6th 2021:
June, 29th 2021:
- Joao: The Kinematic Properties of Milky Way Stellar Halo Populations
- Virginia: Spiral Structure Boosts Star Formation in Disk Galaxies
June, 22nd 2021:
- Leandro: An Empirical Proxy for the Second Integral of Motion in Rotating Barred or Tri-axial Potentials
- Karl: Influence of the Galactic bar on the kinematics of the disc stars with Gaia EDR3 data
June, 15h 2021:
June, 8th 2021:
- Leandro: Substructures, Resonances and debris streams
- Leandro: An [α/Fe]-enhanced thick disk in a Milky Way Analogue
June, 1st 2021:
- Chiara: Spectral Observations of Superthin Galaxies
- Victor: Age distribution of stars in boxy/peanut/X-shaped bulges formed without bar buckling
May, 25th 2021:
- Virginia: Multiple pattern speeds in a long peanut-shaped bar in a simulated galaxy
- Leandro: Mapping the Galactic Disk with the LAMOST and Gaia Red Clump Sample VII: the Stellar Disk Structure Revealed by the Mono-abundance Populations
May, 18th 2021:
- Tigran: A Case against a Significant Detection of Precession in the Galactic Warp
- Karl: Chemodynamical signatures of bar resonances in the Galactic disk: current data and future prospects
May, 11th 2021:
- Joao: Element abundance analysis of the metal-rich stellar halo and high-velocity thick disk in the galaxy
May, 4th 2021:
April, 27th 2021:
April, 20th 2021:
April, 13th 2021:
April, 6th 2021:
- Luis: Transverse kinematics of the Galactic bar-bulge from VVV and Gaia
- Joao: Evidence For Multiple Accretion Events in the $Gaia$-Sausage/Enceladus Structures
March, 30th 2021:
- Steven: Gas Dynamics in the Galaxy: Total Mass Distribution and the Bar Pattern Speed
- Leandro: Machine Learning the 6th Dimension: Stellar Radial Velocities from 5D Phase-Space Correlations
March, 23rd 2021:
- Joao: Reconstructing the Last Major Merger of the Milky Way with the H3 Survey
- Chiara: The role of bars on the dynamical-friction driven inspiral of massive perturbers
March, 16th 2021:
- Stuart: Resonance sweeping by a decelerating bar (Part 2)
- Virginia: First direct identification of the barlens vertical structure in galaxy models
March, 9th 2021:
March, 2nd 2021:
February, 23th 2021:
February, 16th 2021:
- Leandro: Radial structure and formation of the Milky Way disc
- Karl: How the bar properties affect the induced spiral structure
February, 9th 2021:
- Luis: Mapping the tilt of the Milky Way bulge velocity ellipsoids with ARGOS and Gaia DR2
- Chiara: Blue extreme disk-runaway stars with Gaia EDR3
February, 2nd 2021:
- Joao: Gaia Early Data Release 3: The Galactic anticentre
- Leandro: The distribution of [α/Fe] in the Milky Way disc
January, 26th 2021:
- Joao: Ancient Very Metal-Poor Stars Associated With the Galactic Disk in the H3 Survey
- Steven: Blanco DECam Bulge Survey (BDBS) III: A new view of the double red clump in the Milky Way bulge through luminosity and color distribution
January, 19th 2021:
- Leandro: A prediction on the age of thick discs as a function of the stellar mass of the host galaxy
December, 22nd 2020:
- Stuart: Galactic Bar Resonances Inferred from Kinematically Hot Stars in Gaia EDR3
- Tigran: Measuring the vertical response of the Galactic disc to an infalling satellite
December, 15th 2020:
- Stuart: Identifying resonances of the Galactic bar in Gaia DR2: II. Clues from angle space (Sec 4-6)
December, 8th 2020:
- Stuart: Identifying resonances of the Galactic bar in Gaia DR2: II. Clues from angle space (Sec 4-6)
- Leandro: The role of gas fraction and feedback in the stability and evolution of galactic discs: implications for cosmological galaxy formation models
- Steven: Fast-spinning bars in the ΛCDM cosmological paradigm
November, 24th 2020:
- Joao: The GALAH Survey: Accreted stars also inhabit the Spite Plateau
- Stuart: Identifying resonances of the Galactic bar in Gaia DR2: II. Clues from angle space (Sec 1-3)
November, 10th 2020:
- Joao: Investigating Clumpy Galaxies in SDSS Stripe82 using Galaxy Zoo
- Stuart Envisioning the next decade of Galactic Center science: a laboratory for the study of the physics and astrophysics of supermassive black holes
November, 3rd 2020:
October, 27th 2020:
- Leandro: Detection of a universal core-halo transition in dwarf galaxies as predicted by Bose-Einstein dark matter
- Joao: Runaway stars masquerading as star formation in galactic outskirts
October, 20th 2020:
- Joao: Frequencies, chaos and resonances: a study of orbital parameters of nearby thick disc and halo stars
- Steven: The effects of turbulence on galactic nuclear gas rings
Ocbtober, 13rd 2020:
- Stuart: Stellar migration in galaxy discs using the Chirikov diffusion rate
- Tigran: Did Sgr cause the vertical waves in the solar neighbourhood?
October, 6th 2020
- Leandro: Exploring the origin of thick disks using the NewHorizon and Galactica simulations
- Virginia: An interesting case of the formation and evolution of a barred galaxy in the cosmological context
September, 29th 2020
September, 22nd 2020
- Stuart: Kinematic signatures of nuclear discs and bar-driven secular evolution in nearby galaxies of the MUSE TIMER project
- Steven: The inside-out formation of nuclear discs and the absence of old central spheroids in barred galaxies of the TIMER survey
September, 15th 2020
- Leandro: Stellar scattering and the formation of exponential discs in self-gravitating systems
- Tigran: Galactic seismology: the evolving “phase spiral” after the Sagittarius dwarf impact
September, 8th 2020
- Stuart: Blanco DECam Bulge Survey (BDBS) II: Project Performance, Data Analysis, and Early Science Results
- Virginia: Tidal forces from the wake of dynamical friction: warps, lopsidedness and kinematic misalignment
September, 1st 2020
- Steven: Kinematics of RR Lyrae stars in the Galactic bulge with OGLE-IV and Gaia DR2
- Joao: Mapping the Galactic disk with the LAMOST and Gaia Red clump sample: V: On the origin of the “young” [α/Fe]-enhanced stars
August, 25th 2020
- Steven: The chemical properties of the Milky Way’s on-bar and off-bar regions: evidence for inhomogeneous star formation history in the bulge
- Tigran: On the Period–Luminosity–Metallicity relation of Classical Cepheids
August, 18th 2020
- Joao: The Milky Way’s bar and bulge revealed by APOGEE DR16 and Gaia DR2
- Victor: How Many Components? Quantifying the Complexity of the Metallicity Distribution in the Milky Way Bulge with APOGEE
- Stuart: Fate of stellar bars in minor merger of galaxies
August, 11th 2020
- Leandro: Chemo-kinematics of the Gaia RR Lyrae: the halo and the disc
- Karl Fluorine in the solar neighborhood: modelling the Galactic thick and thin discs
August, 4th 2020
- Stuart: Face-on structure of barlenses and boxy bars: an insight from spectral dynamics
- Virginia: Fluctuations in galactic bar parameters due to bar-spiral interaction
- Tigran: The Abundance Pattern of alpha elements in the Triangulum-Andromeda Overdensity
July, 28th 2020
- Steven: Bar Classification based on the Potential Map
- Leandro: Evidence from APOGEE for the presence of a major building block of the halo buried in the inner Galaxy
July, 21st 2020
- Victor: Properties of the Milky Way’s Old Populations Based on Photometric Metallicities of the OGLE RR Lyrae Stars
- Joao: The heavy-elements heritage of the falling sky
- Tigran: Mapping the Galactic disk with the LAMOST and Gaia red clump sample: IV: the kinematic signature of the Galactic warp
July, 14th 2020
- Leandro: The age-chemical abundance structure of the Galactic disc II: α-dichotomy and thick disc formation
- Stuart: Modeling the Milky Way as a Dry Galaxy
- Joao: Evidence from the H3 Survey that the Stellar Halo is Entirely Comprised of Substructure
July, 7th 2020
- Karl: Bimodality of [α/Fe]-[Fe/H] distributions in Milky Way-type galaxies with thick and thin discs
- Joao: A massive mess: When a large dwarf and a Milky Way-like galaxy merge
June, 30th 2020
- Steven: The imprint of arms and bars on rotation curves: in-plane and off-plane
- Tigran: The Pristine Inner Galaxy Survey (PIGS) II: Uncovering the most metal-poor populations in the inner Milky Way
- Joao: Stellar Masses of Giant Clumps in CANDELS and Simulated Galaxies Using Machine Learning
June, 23rd 2020
- Leandro: VINTERGATAN I: The origins of chemically, kinematically and structurally distinct discs in a simulated Milky Way-mass galaxy
- Victor: VINTERGATAN II: the history of the Milky Way told by its mergers
- Joao: VINTERGATAN III: how to reset the metallicity of the Milky Way
January, 22nd 2020
- Joao: The Chemical Compositions of Accreted and in situ Galactic Globular Clusters According to SDSS/APOGEE
- Leandro: Sausage & Mash: the dual origin of the Galactic thick disc and halo from the gas-rich Gaia-Enceladus-Sausage merger
- Steven: The effect of warm gas on the buckling instability in galactic bars
January, 15th 2020
- Joao: Explaining the chemical trajectories of accreted and in-situ halo stars of the Milky Way
- Victor and Vera: A Galactic-scale gas wave in the solar neighborhood
- Leandro: Evidence for Galactic disc RR~Lyrae stars in the Solar neighbourhood
- Steven: Violent Buckling Benefits Galactic Bars
- Tigran: Evidence of a dynamically evolving Galactic warp
December, 11th 2019
- Victor: Age Demographics of the Milky Way Disk and Bulge
- Joao: On the origin of the asymmetric dwarf galaxy distribution around Andromeda
- Steven: Star formation at the Galactic Centre: coevolution of multiple young stellar discs
December, 4th 2019
- Joao: The Metallicity Gradient and Complex Formation History of the Outermost Halo of the Milky Way
- Victor: Escapees from the bar resonances. On the presence of low-eccentricity, metal-rich stars at the Solar vicinity
- Victor: Imprints of Radial Migration on the Milky Way’s Metallicity Distribution Functions
- Leandro: The Gaia-ESO Survey: Carbon abundance in the Galactic thin and thick disks
- Virginia: A study of stellar orbit fractions: simulated IllustrisTNG galaxies compared to CALIFA observations
- Steven: VVV Survey Microlensing: the Galactic Latitude Dependence
November, 27th 2019
- Tigran: The GALAH Survey: Temporal Chemical Enrichment of the Galactic Disk
- Victor: The Pristine survey X: a large population of low-metallicity stars permeates the Galactic disk
- Joao: The volumetric star formation law in the Milky Way
- Virginia: Modelling the chemical evolution of Zr, La, Ce and Eu in the Galactic discs and bulge
November, 20th 2019
- Victor: Maximum Entropy Estimation of the Galactic Bulge Morphology via the VVV Red Clump
- Victor: Further evidence that the Milky Way bar has undergone a buckling phase
- Joao: The Milky Way total mass profile as inferred from Gaia DR2
- Virginia: Origin of Non-axisymmetric Features of Virgo Cluster Early-type Dwarf Galaxies. II. Tidal Effects on Disk Features and Stability
November, 13rd 2019
- Joao: Phase-space correlation in stellar streams of the Milky Way halo: The clash of Kshir and GD-1
- Victor: Young stars as tracers of a barred-spiral Milky Way
- Tigran: The GALAH Survey: Chemically tagging the Fimbulthul stream to the globular cluster ω Centauri
November, 6th 2019
- Joao: Reviving old controversies: is the early Galaxy flat or round? Investigations into the early phases of the Milky Way formation through stellar kinematics and chemical abundances
- Victor: Tracing Hercules in Galactic azimuth with Gaia DR2
- Steven: Using machine learning to study the kinematics of cold gas in galaxies
October, 30th 2019
- Joao: Triangulum-Andromeda overdensity: a region with a complex stellar population
- Victor: A MUSE study of the inner bulge globular cluster Terzan 9: a fossil record in the Galaxy
- Steven: The Nuclear Filaments inside the Circumnuclear Disk in the Central 0.5 pc of the Galactic center
- Tigran: More than just a wrinkle: A wave-like pattern in radial velocity vs. angular momentum from Gaia Data
October, 23rd 2019
- Joao: Searching for Solar Siblings in APOGEE and Gaia DR2 with N-body Simulations
- Steven: Life in the fast lane: a direct view of the dynamics, formation, and evolution of the Milky Way’s bar
- Leandro: Formation of N-rich field stars in the high-density building blocks of the Galactic bulge
- Karl: Hic sunt dracones: Cartography of the Milky Way spiral arms and bar resonances with Gaia Data Release 2
- Tigran: The echo of the bar buckling: phase-space spirals in Gaia DR2
October, 16th 2019
- Steven: The Chemistry of Stars in the Milky Way’s Bar
- Joao: Constraints on the Galactic Inner Halo Assembly History from the Age Gradient of Blue Horizontal-branch Stars
- Leandro: Weighing the stellar constituents of the Galactic halo with APOGEE red giant stars
- Tigran: Kinematics of the Palomar 5 stellar stream from RR Lyrae stars
October, 9th 2019
- Leandro: On the origin of the chemical bimodality of disk stars: A tale of merger and migration
- Victor: Variations in alpha-element ratios trace the chemical evolution of the disk
- Joao: Multiple retrograde substructures in the Galactic halo: A shattered view of Galactic history
- Steven: Age Dating the Galactic Bar with the Nuclear Stellar Disc
- Tigran: Dissecting the Phase Space Snail Shell