alpha-, r-, and s-process element trends in the Galactic thin and thick disks

Abstract

From a detailed elemental abundance analysis of 102 F and G dwarf stars we present abundance trends in the Galactic thin and thick disks for 14 elements (O, Na, Mg, Al, Si, Ca, Ti, Cr, Fe, Ni, Zn, Y, Ba, and Eu). Stellar parameters and elemental abundances (except for Y, Ba and Eu) for 66 of the 102 stars were presented in our previous studies (Bensby et al. 2003, 2004a). The 36 stars that are new in this study extend and confirm our previous results and allow us to draw further conclusions regarding abundance trends. The s-process elements Y and Ba, and the r-element Eu have also been considered here for the whole sample for the first time. With this new larger sample we now have the following results: 1) Smooth and distinct trends that for the thin and thick disks are clearly separated; 2) The alpha-element trends for the thick disk show typical signatures from the enrichment of SNIa; 3) The thick disk stellar sample is in the mean older than the thin disk stellar sample; 4) The thick disk abundance trends are invariant with galactocentric radii (R_m); 5) The thick disk abundance trends appear to be invariant with vertical distance (Z_max) from the Galactic plane. Adding further evidence from the literaure we argue that a merger/interacting scenario with a companion galaxy to produce a kinematical heating of the stars (that make up today's thick disk) in a pre-existing old thin disk is the most likely formation scenario for the Galactic thick disk.

Accepted for publication in A&A, 20 pages

References in corpus (28)

• Evolutionary tracks and isochrones for low- and intermediate-mass stars: from 0.15 to 7 M_sun, and from Z=0.0004 to 0.03
• The 'Forbidden' Abundance of Oxygen in the Sun
• Neutron capture in low mass Asymptotic Giant Branch stars: cross sections and abundance signatures
• Towards Better Age Estimates for Stellar Populations: The Y^2 Isochrones for Solar Mixture
• The Chemical Compositions of Galactic Disk F and G Dwarfs
• Line formation in solar granulation: IV. [O I], OI and OH lines and the photospheric O abundance
• Galactic Evolution of Sr, Y, Zr: A Multiplicity of Nucleosynthetic Processes
• Simulations of Galaxy Formation in a Lambda CDM Universe II: The Fine Structure of Simulated Galactic Disks
• Neutron-Capture Elements in the Early Galaxy: Insights from a Large Sample of Metal-Poor Giants
• Nucleosynthesis and mixing on the Asymptotic Giant Branch. III. Predicted and observed s-process abundances
• The Galactic Thick Disk Stellar Abundances
• The YY Isochrones for alpha-element Enhanced Mixtures
• Stellar Iron Abundances: non-LTE Effects
• Chemical composition of 90 F and G disk dwarfs
• The Y^2 Stellar Evolutionary Tracks
• Galactic chemical evolution of heavy elements: from Barium to Europium
• Vertical distribution of Galactic disk stars I - Kinematics and metallicity
• Oxygen trends in the Galactic thin and thick disks
• A Structural and Dynamical Study of Late-Type, Edge-On Galaxies: II. Vertical Color Gradients and the Detection of Ubiquitous Thick Disks
• s-Process Nucleosynthesis in Carbon Stars
• Experimental f-value and isotopic structure for the Ni I line blended with [OI] at 6300A
• The solar neighbourhood age-metallicity relation - does it exist?
• A Determination of the Thick Disk Chemical Abundance Distribution: Implications for Galaxy Evolution
• Signatures of SN Ia in the galactic thick disk
• Mg, Ba and Eu abundances in thick disk and halo stars
• A possible age-metallicity relation in the Galactic thick disk?
• Europium abundances in F and G disk dwarfs
• Chemical composition of red horizontal branch stars in the thick disk of the Galaxy

Cited by in corpus (410)

• The chemical composition of the Sun
• A grid of MARCS model atmospheres for late-type stars I. Methods and general properties
• First results from the IllustrisTNG simulations: A tale of two elements -- chemical evolution of magnesium and europium
• Exploring the Milky Way stellar disk. A detailed elemental abundance study of 714 F and G dwarf stars in the Solar neighbourhood
• The r-process of stellar nucleosynthesis: Astrophysics and nuclear physics achievements and mysteries
• Elemental Abundance Survey of The Galactic Thick Disk
• New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s). Improved astrophysical parameters for the Geneva-Copenhagen Survey
• Chemical evolution with radial mixing
• Star Clusters Across Cosmic Time
• Chemical Cartography with APOGEE: Metallicity Distribution Functions and the Chemical Structure of the Milky Way Disk
• Chemical abundances of 1111 FGK stars from the HARPS GTO planet search program.Galactic stellar populations and planets
• Abundances of the elements in the solar system
• Chemical evolution of the Galactic bulge as traced by microlensed dwarf and subgiant stars. V. Evidence for a wide age distribution and a complex MDF
• The spatial structure of mono-abundance sub-populations of the Milky Way disk
• Quantifying the uncertainties of chemical evolution studies. II. Stellar yields
• Secular Evolution in Disk Galaxies
• Origin and structure of the Galactic disc(s)
• Chemical Abundances for 855 Giants in the Globular Cluster Omega Centauri (NGC 5139)
• Structural Parameters of Thin and Thick Disks in Edge-On Disk Galaxies
• Evolution of interstellar dust and stardust in the solar neighbourhood
• Cold Dark Matter Substructure and Galactic Disks I: Morphological Signatures of Hierarchical Satellite Accretion
• Galaxia: a code to generate a synthetic survey of the Milky Way
• Stellar Abundances in the Solar Neighborhood: The Hypatia Catalog
• Abundances of Baade's Window Giants from Keck/HIRES Spectra: II. The Alpha- and Light Odd Elements
• The Milky Way has no thick disk
• Inside Out and Upside Down: Tracing the Assembly of a Simulated Disk Galaxy Using Mono-Age Stellar Populations
• The rotation and Galactic kinematics of mid M dwarfs in the Solar Neighborhood
• The Genesis of the Milky Way's Thick Disk via Stellar Migration
• Oxygen Abundances in Nearby FGK Stars and the Galactic Chemical Evolution of the Local Disk and Halo
• The Milky Way's Stellar Disk
• The metallicity distribution of bulge clump giants in Baade's Window
• Radial mixing and the transition between the thick and thin Galactic discs
• The Gaia-ESO Survey: the Galactic Thick to Thin Disc transition
• The stellar population structure of the Galactic disk
• Oxygen, Sodium, Magnesium and Aluminium as tracers of the Galactic Bulge Formation
• NLTE abundances of Mn in a sample of metal-poor stars
• A First Constraint on the Thick Disk Scale Length: Differential Radial Abundances in K Giants at Galactocentric Radii 4, 8, and 12 kpc
• Dynamical heating across the Milky Way disc using APOGEE and $Gaia$
• Formation and Evolution of the Disk System of the Milky Way: [alpha/Fe] Ratios and Kinematics of the SEGUE G-Dwarf Sample
• Thin disc, Thick Disc and Halo in a Simulated Galaxy
• Using chemical tagging to redefine the interface of the Galactic disk and halo
• Chemodynamical history of the Galactic Bulge
• Properties of planets in binary systems. The role of binary separation
• Tracing chemical evolution over the extent of the Milky Way's Disk with APOGEE Red Clump Stars
• Normal and Outlying Populations of the Milky Way Stellar Halo at [Fe/H] < -2
• Oxygen Abundances in Nearby Stars. Clues to the formation and evolution of the Galactic disk
• Chemical evolution of the Galactic bulge as traced by microlensed dwarf and subgiant stars. IV. Two bulge populations
• Alpha element abundances and gradients in the Milky Way bulge from FLAMES-GIRAFFE spectra of 650 K giants
• The age-metallicity structure of the Milky Way disk
• A new alpha-enhanced super-solar metallicity population
• Distribution functions for the Milky Way
• Chemistry of the Sagittarius Dwarf Galaxy: a Top-Light IMF, Outflows and the R-Process
• Two distinct halo populations in the solar neighborhood. II. Evidence from stellar abundances of Mn, Cu, Zn, Y, and Ba
• Europium production: neutron star mergers versus core-collapse supernovae
• XO-2b: Transiting Hot Jupiter in a Metal-rich Common Proper Motion Binary
• Spectral models for solar-scaled and alpha-enhanced stellar populations
• Chemical abundances of 451 stars from the HARPS GTO planet search program: Thin disc, thick disc, and planets
• Chemical abundances of the Milky Way thick disk and stellar halo II.: sodium, iron-peak and neutron-capture elements
• Inflow, Outflow, Yields, and Stellar Population Mixing in Chemical Evolution Models
• Carbon, nitrogen and $\alpha$-element abundances determine the formation sequence of the Galactic thick and thin disks
• Systematic non-LTE study of the $-2.6\le$ [Fe/H] $\le 0.2$ F and G dwarfs in the solar neighbourhood. II. Abundance patterns from Li to Eu
• Gaia FGK benchmark stars: abundances of alpha and iron-peak elements
• Cosmological Galaxy Formation Simulations Using SPH
• Kinematics and chemical properties of the Galactic stellar populations. The HARPS FGK dwarfs sample
• Tracing the Galactic thick disk to Solar metallicities
• Abundances of refractory elements in the atmospheres of stars with extrasolar planets
• Elemental abundance differences in the 16 Cygni binary system: a signature of gas giant planet formation?
• Cold Dark Matter Substructure and Galactic Disks II: Dynamical Effects of Hierarchical Satellite Accretion
• The origin and evolution of r- and s-process elements in the Milky Way stellar disk
• The SEGUE Stellar Parameter Pipeline. V. Estimation of Alpha-Element Abundance Ratios From Low-Resolution SDSS/SEGUE Stellar Spectra
• Chemical Cartography with APOGEE: Multi-element abundance ratios
• Light, Alpha, and Fe-Peak Element Abundances in the Galactic Bulge
• The origin and chemical evolution of carbon in the Galactic thin and thick disks
• Chemical abundances in LMC stellar populations. II. The bar sample
• Carbon and oxygen abundances in stellar populations
• Searching for the signatures of terrestial planets in solar analogs
• Local Stellar Kinematics from RAVE Data: I. Local Standard of Rest
• Disentangling the Hercules stream
• Kinematic modelling of the Milky Way using the RAVE and GCS stellar surveys
• A Chemical Abundance Study of 10 Open Clusters Based on WIYN-Hydra Spectroscopy
• The origin and evolution of the odd-Z iron-peak elements Sc, V, Mn, and Co in the Milky Way stellar disk
• The Gaia-ESO Survey: the chemical structure of the Galactic discs from the first internal data release
• Constraining planet structure from stellar chemistry: the cases of CoRoT-7, Kepler-10, and Kepler-93
• Searching for the signatures of terrestrial planets in F-, G-type main-sequence stars
• MaGICC Thick Disk I: Comparing a Simulated Disk Formed with Stellar Feedback to the Milky Way
• The Chemical Abundances of Tycho G in Supernova Remnant 1572
• High-precision abundances of elements in solar-type stars. Evidence of two distinct sequences in abundance-age relations
• Enhanced production of barium in low-mass stars: evidence from open clusters
• The Gaia-ESO Survey: radial distribution of abundances in the Galactic disc from open clusters and young field stars
• Overabundance of alpha-elements in exoplanet host stars
• VLT/FLAMES high-resolution chemical abundances in Sculptor: a textbook dwarf spheroidal galaxy
• Observational Constraints on the Physical Properties of Interstellar Dust in the Post-Planck Era
• The Emergence of the Thick Disk in a CDM Universe II: Colors and Abundance Patterns
• Radial Migration in Galactic Thick Discs
• A Study of Edge-On Galaxies with the Hubble Space Telescope's Advanced Camera for Surveys. II. Vertical distribution of the resolved stellar population
• 18 Sco: a solar twin rich in refractory and neutron-capture elements. Implications for chemical tagging
• The Solar Twin Planet Search III. The [Y/Mg] clock: estimating stellar ages of solar-type stars
• High-precision stellar abundances of the elements - methods and applications
• The imprint of clump formation at high redshift. I. A disc alpha-abundance dichotomy
• The CARMENES search for exoplanets around M dwarfs. Stellar atmospheric parameters of target stars with SteParSyn
• Open clusters as key tracers of Galactic chemical evolution. III. Element abundances in Berkeley 20, Berkeley 29, Collinder 261, and Melotte 66
• Abundances of neutron-capture elements in stars of the galactic disk substructures
• Accurate and homogeneous abundance patterns in solar-type stars of the solar neighbourhood: a chemo-chronological analysis
• The origin of diverse $\alpha$-element abundances in galaxy discs
• Breaks in thin and thick discs of edge-on galaxies imaged in the Spitzer Survey of Stellar Structure in Galaxies (S4G)
• Correcting the spectroscopic surface gravity using transits and asteroseismology. No significant effect on temperatures or metallicities with ARES+MOOG in LTE
• A near-infrared interferometric survey of debris-disc stars. IV. An unbiased sample of 92 southern stars observed in H-band with VLTI/PIONIER
• Recovering the star formation rate in the solar neighborhood
• VLT/FLAMES spectroscopy of red giant branch stars in the Fornax dwarf spheroidal galaxy
• A new abundance scale for the globular cluster 47 Tuc
• Constraining planet structure and composition from stellar chemistry: trends in different stellar populations
• Stellar Abundances for Galactic Archaeology Database IV - Compilation of Stars in Dwarf Galaxies
• Constraints on the Formation of the Galactic Bulge from Na, Al, and Heavy Element Abundances in Plaut's Field
• The Hyades open cluster is chemically inhomogeneous
• Two Disk Components from a Gas Rich Disk-Disk Merger
• Alpha Enhancement and the Metallicity Distribution Function of Plaut's Window
• The metallicity of the old open cluster NGC 6791
• A possible signature of terrestrial planet formation in the chemical composition of solar analogs
• Na-O Anticorrelation and Horizontal Branches. V. The Na-O anticorrelation in NGC 6441 from Giraffe spectra
• Principal Component Analysis on Chemical Abundances Spaces
• The Y-Type Brown Dwarfs: Estimates of Mass and Age from New Astrometry, Homogenized Photometry and Near-Infrared Spectroscopy
• Chemical evolution of the Galactic bulge as traced by microlensed dwarf and subgiant stars. II. Ages, metallicities, detailed elemental abundances, and connections to the Galactic thick disc
• New insights on Ba over-abundance in open clusters. Evidence for the intermediate neutron-capture process at play?
• The Gaia-ESO survey: the non-universality of the age-chemical-clocks-metallicity relations in the Galactic disc
• Differential stellar population models: how to reliably measure [Fe/H] and [alpha/Fe] in galaxies
• Carbon and Oxygen in Nearby Stars: Keys to Protoplanetary Disk Chemistry
• The metallicity signature of evolved stars with planets
• The chemical compositions of solar twins in the open cluster M67
• M31 Globular Cluster Abundances from High-Resolution, Integrated-Light Spectroscopy
• Chemical Composition of Faint (I~21 mag) Microlensed Bulge Dwarf OGLE-2007-BLG-514S
• The Metallicity Distribution Functions of SEGUE G and K dwarfs: Constraints for Disk Chemical Evolution and Formation
• The Stellar Abundances for Galactic Archaeology (SAGA) Database III - Analysis of Enrichment Histories for Elements and Two Modes of Star Formation during the Early Evolution of Milky Way
• Comprehensive abundance analysis of red giants in the open clusters NGC 752, NGC 1817, NGC 2360 and NGC 2506
• Revisiting two local constraints of the Galactic chemical evolution
• In the thick of it: metal-poor disc stars in RAVE
• SP_Ace: a new code to derive stellar parameters and elemental abundances
• On the correlation between metallicity and the presence of giant planets
• The Kinematics of Thick Disks in Nine External Galaxies
• A high precision chemical abundance analysis of the HAT-P-1 stellar binary: constraints on planet formation
• Determination of the Local Standard of Rest using the LSS-GAC DR1
• VINTERGATAN II: the history of the Milky Way told by its mergers
• The RAVE catalogue of stellar elemental abundances: first data release
• A Comparison of Stellar Elemental Abundance Techniques and Measurements
• The Kinematics of Thick Disks in External Galaxies
• Further Evidence for a Merger Origin for the Thick Disk: Galactic Stars Along Lines-of-sight to Dwarf Spheroidal Galaxies
• Lick Indices in the Thin and Thick Disks of Edge-On Disk Galaxies
• The Gaia-ESO Survey: Characterisation of the [alpha/Fe] sequences in the Milky Way discs
• HADES RV Programme with HARPS-N at TNG XII. The abundance signature of M dwarf stars with planets
• The most metal-poor damped Lyman alpha systems: An insight into dwarf galaxies at high redshift
• Modeling the Anomalous Microwave Emission with Spinning Nanoparticles: No PAHs Required
• A High-Resolution Spectroscopic Search for the Remaining Donor for Tycho's Supernova
• The Alpha Centauri Binary System: Atmospheric Parameters and Element Abundances
• Metallicity Distribution Functions, Radial Velocities, and Alpha Element Abundances in Three Off-Axis Bulge Fields
• Calibrating the metallicity of M dwarfs in wide physical binaries with F-, G-, and K- primaries - I: High-resolution spectroscopy with HERMES: stellar parameters, abundances, and kinematics
• Search for Associations Containing Young stars (SACY): Chemical tagging IC 2391 & the Argus association
• Chemical abundances in the nucleus of the Sagittarius dwarf spheroidal galaxy
• Beyond the Iron Peak: r- and s-process Elemental Abundances in Stars with Planets
• Phylogeny of the Milky Way's inner disk and bulge populations: Implications for gas accretion, (the lack of) inside-out thick disk formation, and quenching
• The bursty origin of the Milky Way thick disc
• A Tale of Two Disks: Mapping the Milky Way with the Final Data Release of APOGEE
• Neutron-capture element deficiency of the Hercules dwarf spheroidal galaxy
• Analysis of old very metal rich stars in the solar neighbourhood
• Dissecting simulated disc galaxies I: the structure of mono-age populations
• The evolution of the Milky Way: New insights from open clusters
• Testing the Accuracy of Synthetic Stellar Libraries
• Manganese trends in a sample of thin and thick disk stars. The origin of Mn
• Chemical (in)homogeneity and atomic diffusion in the open cluster M67
• Chemically tagging the Hyades stream: Does it partly originate from the Hyades cluster?
• The lithium abundances for a large sample of red giants
• The carbon-to-oxygen ratio in stars with planets
• A Comparison of the Chemical Evolutionary Histories of the Galactic Thin Disk and Thick Disk Stellar Populations
• A 20-Second Cadence View of Solar-Type Stars and Their Planets with TESS: Asteroseismology of Solar Analogs and a Re-characterization of pi Men c
• Unveiling the Distinct Formation Pathways of the Inner and Outer Discs of the Milky Way with Bayesian Machine Learning
• Carbon and Oxygen Abundances in Cool Metal-rich Exoplanet Hosts: A Case Study of the C/O Ratio of 55 Cancri
• Barium even-to-odd isotope abundance ratios in thick disk and thin disk stars
• The Evolution of Oxygen and Magnesium in the Bulge and Disk of the Milky Way
• Element abundances in the stars of the MILES spectral library: the Mg/Fe ratio
• A Large Sample Study of Red Giants in the Globular Cluster Omega Centauri (NGC 5139)
• The effect of stellar migration on Galactic chemical evolution: a heuristic approach
• Chemically tagging the Hyades Supercluster: A homogeneous sample of F6-K4 kinematically selected northern stars
• Manganese in dwarf spheroidal galaxies
• Globular Cluster Abundances from High-Resolution, Integrated-Light Spectroscopy. IV. The Large Magellanic Cloud: $\alpha$, Fe-peak, Light, and Heavy Elements
• Zirconium, Barium, Lanthanum and Europium Abundances in Open Clusters
• Searching for the metal-weak thick disc in the solar neighbourhood
• The relation between chemical abundances and kinematics of the Galactic disc with RAVE
• Abundance-age relations with red clump stars in open clusters
• A peculiarity of metal-poor stars with planets ?
• The Gaia-ESO Survey: Galactic evolution of sulphur and zinc
• Clues to the Metallicity Distribution in the Galactic Bulge: Abundances in OGLE-2007_BLG-349S
• Chemo-orbital evidence from SDSS/SEGUE G-type dwarf stars for a mixed origin of the Milky Way's thick disk
• Simulations of minor mergers. II. The phase-space structure of thick discs
• Germanium, Arsenic, and Selenium Abundances in Metal-Poor Stars
• The first chemical abundance analysis of K giants in the inner Galactic disc
• The Composition of Interstellar Grains Toward Zeta Ophiuchi: Constraining the Elemental Budget Near the Diffuse-Dense Cloud Transition
• Evidence of a thick disk rotation-metallicity correlation
• uvby-βphotometry of high-velocity and metal-poor stars XI. Ages of halo and old disk stars
• Quantitative chemical tagging, stellar ages and the chemo-dynamical evolution of the Galactic disc
• WASP-1: A lithium- and metal-rich star with an oversized planet
• Formation of galaxies in ΛCDM cosmologies. I. The fine structure of disc galaxies
• Stellar Disruption of Axion Miniclusters in the Milky Way
• On the origin of the Galactic thin and thick discs, their abundance gradients and the diagnostic potential of their abundance ratios
• RAMSES-CH: A New Chemodynamical Code for Cosmological Simulations
• The Chemical Compositions of the Type II Cepheids -- The BL Her and W Vir Variables
• The Atari Disk, a Metal-Poor Stellar Population in the Disk System of the Milky Way
• The Galactic Thick Disc density profile traced with RR Lyrae stars
• Element abundances in the metal rich open cluster NGC6253
• Chemical Abundances of the Secondary Star in the Black Hole X-ray Binary XTE J1118+480
• Chemodynamics of a Simulated Disc Galaxy: Initial Mass Functions and SNIa Progenitors
• Local stellar kinematics from RAVE data: II. Radial Metallicity Gradient
• When binaries keep track of recent nucleosynthesis: The Zr - Nb pair in extrinsic stars as an s-process diagnostic
• Thick disk kinematics from RAVE and the solar motion
• The TESS-Keck Survey II: An Ultra-Short Period Rocky Planet and its Siblings Transiting the Galactic Thick-Disk Star TOI-561
• The influence of bulk composition on long-term interior-atmosphere evolution of terrestrial exoplanets
• Diffuse gas properties and stellar metallicities in cosmological simulations of disc galaxy formation
• Local stellar kinematics from RAVE data: III. Radial and Vertical Metallicity Gradients based on Red Clump Stars
• Two-Component Galactic Bulge Probed with Renewed Galactic Chemical Evolution Model
• The Gaia-ESO Survey: Abundance ratios in the inner-disk open clusters Trumpler 20, NGC 4815, NGC 6705
• The ability of intermediate-band Stromgren photometry to correctly identify dwarf, subgiant, and giant stars and provide stellar metallicities and surface gravities
• The Chemical Evolution of the Milky Way: the Three Infall Model
• Structure, Kinematics, and Chemical Enrichment Patterns after Major Gas-Rich Disc-Disc Mergers
• A High-Resolution Spectrum of the Extremely Metal-Rich Bulge G-Dwarf OGLE-2006-BLG-265
• The Milky Way tomography with APOGEE: intrinsic density distribution and structure of mono-abundance populations
• The chemistry of the most metal-rich damped Lyman $\alpha$ systems at z$\sim 2$ II. Context with the Local Group
• Chemical separation of disc components using RAVE
• XTE J1118+480: A Metal-Rich Black Hole Binary in the Galactic Halo
• O, Na, Ba and Eu abundance patterns in open clusters
• Chemical and Kinematic Properties of the Galactic Disk from the LAMOST and Gaia Sample Stars
• The Gaia -ESO Survey: Lithium enrichment histories of the Galactic thick and thin disc
• Quantifying Chemical Tagging: Towards Robust Group Finding in the Galaxy
• Plausible constraints on the range of bulk terrestrial exoplanet compositions in the Solar neighbourhood
• A Hot Uranus Orbiting the Super Metal-rich Star HD77338 and the Metallicity - Mass Connection
• Elemental Abundances in M31: A Comparative Analysis of Iron and Alpha Element Abundances in the Outer Disk, Giant Stellar Stream, and Inner Halo of M31
• Comprehensive abundance analysis of red giants in the open clusters NGC 1342, 1662, 1912, 2354 and 2447
• Abundances in the Milky Way across five nucleosynthetic channels from 4 million LAMOST stars
• Surviving companions of Type Ia supernovae: theory and observations
• Through Thick and Thin: Kinematic and Chemical Components in the Solar Neighbourhood
• The NLTE Barium Abundance in Dwarf Stars in the Metallicity Range of -1 < [Fe/H] < +0.3
• Geometric properties of galactic discs with clumpy episodes
• Thin disk kinematics from RAVE and the solar motion
• Heavy elements Ba, La, Ce, Nd, and Eu in 56 Galactic bulge red giants
• Radial structure and formation of the Milky Way disc
• High resolution elemental abundance analysis of the Hyades Supercluster
• Chemo-kinematics of the Milky Way from the SDSS-III MARVELS Survey
• Chemical abundances of late-type pre-main sequence stars in the $\sigma$-Orionis cluster
• The fraction of first and second generation stars in globular clusters. I The case of NGC 6752
• The Vertical Metallicity Gradient of the Milky Way Disk: Transitions in [a/Fe] Populations
• FORS2/VLT survey of Milky Way globular clusters I. Description of the method for derivation of metal abundances in the optical and application to NGC 6528, NGC 6553, M 71, NGC 6558, NGC 6426 and Terzan 8
• A comprehensive comparison of the Sun to other stars: searching for self-selection effects
• LHS 1815b: The First Thick-Disk Planet Detected By TESS
• Abundances of disk and bulge giants from hi-res optical spectra: II. O, Mg, Ca, and Ti in the bulge sample
• Non-LTE Sodium Abundance in Galactic Thick- and Thin-Disk Red Giants
• Kinematics, ages and metallicities for F and G type stars in the solar neighbourhood
• APOGEE [C/N] Abundances Across the Galaxy: Migration and Infall from Red Giant Ages
• Insight Into the Formation of the Milky Way Through Cold Halo Substructure. II. The Elemental Abundances of ECHOS
• Chemical fingerprints of hot Jupiter planet formation
• Iron-peak elements Sc, V, Mn, Cu and Zn in Galactic bulge globular clusters
• A High-Resolution Spectrum of the Highly Magnified Bulge G-Dwarf MOA-2006-BLG-099S
• The K2 Galactic Caps Project -- Going Beyond the \textit{Kepler} Field and Ageing the Galactic Disc
• Non-LTE abundances of zinc in different spectral type stars and the Galactic [Zn/Fe] trend based on quantum-mechanical data on inelastic processes in zinc-hydrogen collisions
• The innate origin of radial and vertical gradients in a simulated galaxy disc
• Deciphering the evolution of the Milky Way discs: Gaia APOGEE Kepler giant stars and the Besançon Galaxy Model
• Metallicity gradients of disc stars for a cosmologically simulated galaxy
• Stellar abundances and ages for metal-rich Milky Way globular clusters - Stellar parameters and elemental abundances for 9 HB stars in NGC6352
• Searching for chemical signatures of brown dwarf formation
• Chemical Composition of the Planet-Harboring Star TrES-1
• The case for high precision in elemental abundances of stars in the era of large spectroscopic surveys
• Chemical evolution of the Galactic bulge as traced by microlensed dwarf and subgiant stars. Detailed abundance analysis of OGLE-2008-BLG-209S
• Chemical evolution of the Large Magellanic Cloud
• Clues to the Metallicity Distribution in the Galactic Bulge: Abundances in MOA-2008-BLG310 and MOA-2008-BLG311
• The chemical DNA of the Magellanic Clouds -- I. The chemical composition of 206 Small Magellanic Cloud red giant stars
• Revised age for CM Draconis and WD 1633+572: Toward a resolution of model-observation radius discrepancies
• Through thick and thin: Structure of the Galactic thick disc from extragalactic surveys
• NGC 5694: another foster son of the Galactic Halo
• Thermodynamics and Charging of Interstellar Iron Nanoparticles
• The Disk and Extraplanar Regions of NGC 2403
• Old open clusters in the Sagittarius dSph tidal stream -- kith or kin?
• Local associations and the barium puzzle
• Origin of chemical and dynamical properties of the Galactic thick disk
• On the varied origins of up-bending breaks in galaxy disks
• Chemical tagging of the Ursa Major moving group: A northern selection of FGK stars
• Modelling the chemical evolution of the Galaxy halo
• The old open cluster NGC 2112: updated estimates of fundamental parameters based on a membership analysis
• Evidence of Early Enrichment of the Galactic Disk by Large-Scale Winds
• A homogeneous comparison between the chemical composition of the Large Magellanic Cloud and the Sagittarius dwarf galaxy
• Chemical Signature Indicating A Lack of Massive Stars in Dwarf Galaxies
• Tests of model predictions for the response of stellar spectra and absorption line indices to element abundance variations
• Characterisation of the Galactic thin disc with Corot targets
• Observing multiple populations in globular clusters with the ESO archive: NGC 6388 reloaded
• Chemical abundances of two extragalactic young massive clusters
• The AMBRE Project: Solar neighbourhood chemodynamical constraints on Galactic disc evolution
• The detailed chemical composition of the terrestrial planet host Kepler-10
• Evolution of Disc Thickness in Simulated High-Redshift Galaxies
• Volume limited dependent Galactic model parameters
• Chemical abundance analysis of symbiotic giants - III. Metallicity and CNO abundance patterns in 24 southern systems
• The structure of the Milky Way based on unWISE 3.4$\mu$m integrated photometry
• On the Flaring of Thick Disc of Galaxies: Insights from Simulations
• Chemical Composition Of Bright Stars In The Northern Hemisphere: Star-Planet Connection
• The Disk and Extraplanar Regions of NGC 55
• The Arcturus Moving Group: Its Place in the Galaxy
• The Globular Cluster Origin of the Milky Way Outer Bulge: Evidence from Sodium Bimodality
• High- and Low-$\alpha$ Disk Stars Separate Dynamically at all Ages
• Early chemical evolution of Zn driven by magnetorotational supernovae and the pathway to the solar Zn composition
• Chemical Composition of Bright Stars in the Continuous Viewing Zone of the TESS Space Mission
• Chemical evolution of the metal poor Globular Cluster NGC 6809
• Analysis of Peculiarities of the Stellar Velocity Field in the Solar Neighborhood
• Numerical Simulation of a possible origin of the positive radial metallicity gradient of the thick disk
• Chemical compositions and kinematics of the Hercules stream
• Metallicities of Young Open Clusters I: NGC 7160 and NGC 2232
• Abundances of alpha-Process Elements in Thin-Disk, Thick-Disk, and Halo Stars of the Galaxy: Non-LTE Analysis
• The chemical composition of the stellar cluster Gaia1: no surprise behind Sirius
• Mapping the Galactic disk with the LAMOST and Gaia red clump sample: IV: the kinematic signature of the Galactic warp
• Velocity and abundance precisions for future high-resolution spectroscopic surveys: a study for 4MOST
• So close, so different: characterization of the K2-36 planetary system with HARPS-N
• OGLE-2009-BLG-076S - The most metal-poor dwarf star in the Galactic bulge
• Actions are weak stellar age indicators in the Milky Way disk
• Galactic structure in the outer disk: the field in the line of sight to the intermediate-age open cluster Tombaugh 1
• The uvbyHbeta Metallicity Calibration for G and K Dwarfs
• The [Y/Mg] chemical clock in the Galactic Disk: The influence of metallicity and Galactic population in the solar neighbourhood
• On the Chemical and Structural Evolution of the Galactic Disk
• Constructing the Milky Way Stellar Halo in the Galactic Center by Direct Orbit Integration
• The GAPS Programme with HARPS-N at TNG XVIII. Two new giant planets around the metal-poor stars HD 220197 and HD 233832
• Asteroseismic analysis of two alpha-enhanced stars KIC 7976303 and KIC 8694723
• Fossil Imprints of Outflow from the Galactic Bulge in Elemental Abundances of Metal-Rich Disk Stars
• Exploring the chemodynamics of metal-poor stellar populations
• Chemical Abundances of Globular Clusters in NGC 5128 (Centaurus A)
• Using autoencoders and deep transfer learning to determine the stellar parameters of 286 CARMENES M dwarfs
• Searching for a kinematic signature of the moderately metal-poor stars in the Milky Way bulge using N-body simulations
• Planetary mass-radius relations across the galaxy
• Impact of AGB stars on the chemical evolution of neutron-capture elements
• Stellar substructures in the solar neighbourhood. I. Kinematic group 3 in the Geneva-Copenhagen survey
• GalCEM I -- An Open-Source Detailed Isotopic Chemical Evolution Code
• The Galactic Kinematics of Cataclysmic Variables
• On the Origin of Metal-poor Stars in the Solar Neighborhood
• The Galactic thick and thin disks: differences in evolution
• Characterising abundance-age relations of GALAH stars using oxygen-enhanced stellar models
• High Resolution HDS/SUBARU chemical abundances of the young stellar cluster Palomar 1
• Chemical evolution of the Galactic bulge as traced by microlensed dwarf and subgiant stars. VIII. Carbon and oxygen
• A Differential Abundance Analysis of Very Metal-Poor Stars
• Clustering in the Stellar Abundances Space
• Role of galactic gaseous halos in recycling enriched winds from bulges to disks: A new bulge-disk chemical connection
• The GAPS Programme at TNG -- XXIV. An eccentric Neptune-mass planet near the inner edge of the BD-11 4672 habitable zone
• On the abundances of GRO J1655-40
• The in situ origin of the globular cluster NGC 6388 from abundances of Sc, V, and Zn of a large sample of stars
• Properties of the open cluster Tombaugh 1 from high resolution spectroscopy and uvbyCaH$\beta$ photometry
• Chemical evolution of the Galactic bulge as traced by microlensed dwarf and subgiant stars. III. Detection of lithium in the metal-poor bulge dwarf MOA-2010-BLG-285S
• More pieces of the puzzle: Chemistry and substructures in the Galactic thick disk
• Stellar substructures in the solar neighbourhood. III. Kinematic group 2 in the Geneva-Copenhagen survey
• A chemical and kinematical analysis of the intermediate-age open cluster IC 166 from APOGEE and Gaia DR2
• Chemical abundance analysis of symbiotic giants - II. AE Ara, BX Mon, KX TrA, and CL Sco
• Heavy elements in old very metal-rich stars
• Wide companions to M and L subdwarfs with Gaia and the Virtual Observatory
• Stellar substructures in the solar neighbourhood. II. Abundances of neutron-capture elements in the kinematic Group 3 of the Geneva-Copenhagen survey
• Enrichment of the Galactic disc with neutron-capture elements: Gd, Dy, and Th
• On the validity of the spectroscopic age indicators [Y/Mg], [Y/Al], [Y/Si], [Y/Ca], and [Y/Ti] for giant stars
• Diversity of Type Ia Supernovae Imprinted in Chemical Abundances
• Elemental abundances of intermediate age open cluster NGC 3680
• Rediscovering the Milky Way with orbit superposition approach and APOGEE data II. Chrono-chemo-kinematics of the disc
• Is the semi-regular variable RU Vulpeculae undergoing a helium-shell flash?
• Stellar substructures in the solar neighbourhood IV. Kinematic Group 1 in the Geneva-Copenhagen survey
• High-Resolution Chemical Abundances of the Nyx Stream
• On the radial metallicity gradient and radial migration effect of the Galactic disk
• Element abundance analysis of the metal-rich stellar halo and high-velocitythick disk in the galaxy
• Turn-off of Deuterium Astration in the Recent Star Formation of the Galaxy Disk
• The Galactic Disk-Halo transition - Evidence from Stellar Abundances
• The Lives of Stars: Insights From the TGAS-RAVE-LAMOST Dataset
• The Radial Distribution of Mono-Metallicity Populations in the Galactic Disk as Evidence for Two-Phase Disk Formation
• Population types of cataclysmic variables in the solar neighbourhood
• A catalogue of asteroseismically calibrated ages for APOGEE DR17. The predictions of a CatBoost machine learning model based on the [Mg/Ce] chemical clock and other stellar parameters
• Ariel stellar characterisation III. Fast rotators and new FGK stars in the Ariel Mission Candidate Sample
• New Lithium Measurements in Metal-Poor Stars
• First Evidence of Globular Cluster Formation from the Ejecta of Prompt Type Ia Supernovae
• s-process Enriched Evolved Binaries in the Galaxy and the Magellanic Clouds
• Using chemical evolution models of the Milky Way disk to constrain Type Ia supernova progenitors
• The age of the Galaxy's thick disk
• Sodium in the Atmospheres of Thick-Disk Red Giants
• A Galactic Self-Portrait: Density Structure and Integrated Properties of the Milky Way Disk
• s-process Enriched Post-AGB Star J003643.94-723722.1 in the SMC with an Extreme C/O Ratio and the First Precise Detection of Lead
• A reanalysis of the LHS 1140 b atmosphere observed with the Hubble Space Telescope
• HADES RV programme with HARPS-N at TNG XIV. A candidate super-Earth orbiting the M-dwarf GJ 9689 with a period close to half the stellar rotation period
• Magnesium isotope ratios in Milky Way and dwarf galaxy stars
• A white dwarf bound to the transiting planetary system WASP-98
• New Clues to the Evolution of Dwarf Carbon Stars From Their Variability and X-ray Emission
• High-resolution spectroscopic study of dwarf stars in the northern sky: Na to Zn abundances in two fields with radii of 20 degrees
• TOI-3568 b: a super-Neptune in the sub-Jovian desert
• A Search for Strongly Mg-enhanced Stars from the Sloan Digital Sky Survey
• Assessing stellar yields in Galaxy chemical evolution: observational stellar abundance patterns
• The Milky Way in context: The formation of galactic discs and chemical sequences from a cosmological perspective
• Chemical composition of the young massive cluster NGC 1569-B
• Orbital and stellar parameters for 2M06464003+0109157: a double-lined eclipsing binary of spotted, sub-solar twins
• A prediction on the age of thick discs as a function of the stellar mass of the host galaxy
• Chemical abundances of three new Ba stars from the Keck/HIRES spectra
• Calibrating the metallicity of M dwarfs in wide physical binaries with F-, G-, and K-primaries -- II: Carbon, oxygen, and odd-Z iron-peak abundances of the primary stars
• Chemical Composition of the Atmospheres of Red Giants with High Space Velocities
• Horizontal Branch Stars and the Ultraviolet Universe
• Searching for the nature of stars with debris disks and planets
• Towards Understanding the Milky Way's Typicality: Assessing the Chemodynamics of M31's Bulge & Bar, Thick & Thin Discs
• Distribution of Europium in The Milky Way Disk; Its Connection to Planetary Habitability and The Source of The R-Process
• Impact of the latest 22Ne+α reaction rates on nucleosynthesis in massive stars and galactic chemical evolution
• The Gaia Ultracool Dwarf Sample -- IV. GTC/OSIRIS optical spectra of Gaia late-M and L dwarfs
• Parametrization of the Galactic Structure by two exponentials
• Double-lined spectroscopic binaries in the APOGEE DR16 and DR17 data
• The age-metallicity structure of the Milky Way disc with APOGEE
• A self-consistent wave description of axion miniclusters and their survival in the galaxy
• 2M17091769+3127589: a mass-transfer binary with an extreme mass ratio
• The vertical structure of the stellar disk in NGC 551
• Spectroscopic comparative study of the red giant binary system gamma Leonis A and B
• Ages of Main-Sequence Turn-Off Stars from the GALAH Survey
• On the Galactic chemical evolution of sulphur. Sulphur abundances from the [S i] 1082 nm line in giants
• The Multiband Imaging Survey for High-Alpha PlanetS (MISHAPS) I: Preliminary Constraints on the Occurrence Rate of Hot Jupiters in 47 Tucanae
• Observational Comparison of Star Formation in Different Galaxy Types