Gaia Data Release 1. Summary of the astrometric, photometric, and survey properties

Abstract

At about 1000 days after the launch of Gaia we present the first Gaia data release, Gaia DR1, consisting of astrometry and photometry for over 1 billion sources brighter than magnitude 20.7. We summarize Gaia DR1 and provide illustrations of the scientific quality of the data, followed by a discussion of the limitations due to the preliminary nature of this release. Gaia DR1 consists of: a primary astrometric data set which contains the positions, parallaxes, and mean proper motions for about 2 million of the brightest stars in common with the Hipparcos and Tycho-2 catalogues and a secondary astrometric data set containing the positions for an additional 1.1 billion sources. The second component is the photometric data set,consisting of mean G-band magnitudes for all sources. The G-band light curves and the characteristics of ~3000 Cepheid and RR Lyrae stars, observed at high cadence around the south ecliptic pole, form the third component. For the primary astrometric data set the typical uncertainty is about 0.3 mas for the positions and parallaxes, and about 1 mas/yr for the proper motions. A systematic component of ~0.3 mas should be added to the parallax uncertainties. For the subset of ~94000 Hipparcos stars in the primary data set, the proper motions are much more precise at about 0.06 mas/yr. For the secondary astrometric data set, the typical uncertainty of the positions is ~10 mas. The median uncertainties on the mean G-band magnitudes range from the mmag level to ~0.03 mag over the magnitude range 5 to 20.7. Gaia DR1 represents a major advance in the mapping of the heavens and the availability of basic stellar data that underpin observational astrophysics. Nevertheless, the very preliminary nature of this first Gaia data release does lead to a number of important limitations to the data quality which should be carefully considered before drawing conclusions from the data.

23 pages, 13 figures. This paper has 591 co-authors. Accepted by A&A in the Gaia Special Feature. The Gaia data, documentation and access facilities can be found at http://archives.esac.esa.int/gaia/

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• Deciphering the Kinematic Structure of the Small Magellanic Cloud through its Red Giant Population
• Mapping young stellar populations towards Orion with Gaia DR1
• Results from a triple chord stellar occultation and far-infrared photometry of the trans-Neptunian object (229762) 2007 UK126
• Coherent radio emission from a population of RS Canum Venaticorum systems
• Current Challenges in Cepheid Distance Calibrations Using Gaia EDR3
• REXPACO: an algorithm for high contrast reconstruction of the circumstellar environment by angular differential imaging
• VINTERGATAN-GM: The cosmological imprints of early mergers on Milky-Way-mass galaxies
• Time sequence spectroscopy of AW UMa. The 518 nm Mg I triplet region analyzed with Broadening Functions
• The compact multiple system HIP 41431
• Carbon-Enhanced Metal-Poor star candidates from BP/RP Spectra in $Gaia$ DR3
• Snails Across Scales: Local and Global Phase-Mixing Structures as Probes of the Past and Future Milky Way
• The stellar halo in Local Group Hestia simulations I. The in-situ component and the effect of mergers
• Migration and kinematics in growing disc galaxies with thin and thick discs
• Another Shipment of Six Short-Period Giant Planets from TESS
• The population of tidal disruption events discovered with eROSITA
• Revised orbits of the two nearest Jupiters
• Dynamically Tagged Groups of Metal-Poor Stars II. The Radial Velocity Experiment Data Release 6
• Combining the CLAUDS & HSC-SSP surveys: U+grizy(+YJHKs) photometry and photometric redshifts for 18M galaxies in the 20 deg2 of the HSC-SSP Deep and ultraDeep fields
• Magnetic topologies of young suns: The weak-line T Tauri stars TWA 6 and TWA 8A
• Astrophysical properties of 15062 Gaia DR3 gravity-mode pulsators: pulsation amplitudes, rotation, and spectral line broadening
• A new identity card for the bulge globular cluster NGC 6440 from resolved star counts
• Ultra Short Period Planets in K2 with companions: a double transiting system for EPIC 220674823
• The New EXor Outburst of ESO-H-alpha~99 observed by Gaia ATLAS and TESS
• A transit timing variation observed for the long-period extremely low density exoplanet HIP 41378f
• Inner and Outer Orbits in 13 Resolved Hierarchical Stellar Systems
• SN 2017gci: a nearby Type I Superluminous Supernova with a bumpy tail
• Evidence of a vertical kinematic oscillation beyond the Radcliffe Wave
• A revised moving cluster distance to the Pleiades open cluster
• Spectroscopic orbits of subsystems in multiple stars. VI
• Atmospheric stellar parameters for large surveys using FASMA, a new spectral synthesis package
• Hubble Space Telescope analysis of stellar populations within the globular cluster G1 (Mayall II) in M31
• Individual, Model-Independent Masses of the Closest Known Brown Dwarf Binary to the Sun
• Targeting Bright Metal-poor Stars in the Disk and Halo Systems of the Galaxy
• Tidal tails of open star clusters as probes to early gas expulsion II: Predictions for Gaia
• Phase-space Properties and Chemistry of the Sagittarius Stellar Stream Down to the Extremely Metal-poor ($[Fe/H]\lesssim -3$) Regime
• Gaia Data Release 3: spectroscopic binary-star orbital solutions. The SB1 processing chain
• Modelling interstellar structures around Vela X-1
• The Surface Brightness--Color Relations Based on Eclipsing Binary Stars: Toward Precision Better than 1% in Angular Diameter Predictions
• Determining the mass of the planetary candidate HD 114762 b using Gaia
• Structured star formation in the Magellanic inter-Cloud region
• Looking at A 0535+26 at low luminosities with NuSTAR
• The stellar halo in Local Group Hestia simulations II. The accreted component
• Properties and nature of Be stars 30. Reliable physical properties of a semi-detached B9.5e+G8III binary BR CMi = HD 61273 compared to those of other well studied semi-detached emission-line binaries
• Periodic Eclipses of the Young Star PDS 110 Discovered with WASP and KELT Photometry
• Quasi-periodic behaviour in the $\gamma$-ray light curve of the blazar PKS 0405-385
• The Rotation-Metallicity Relation for the Galactic Disk as Measured in the Gaia DR1 TGAS and APOGEE Data
• HD 202206 : A Circumbinary Brown Dwarf System
• Testing Multiband (G, GBP, GRP, B, V and TESS) Standard Bolometric Corrections by Recovering Luminosity and Radii of 341 Host Stars
• The Ultraviolet Extinction Map and Dust Property at High Galactic Latitude
• Modeling the kinematics of globular cluster systems
• The velocity ellipsoid in the Galactic disc using Gaia DR1
• Occultation Portal: a web-based platform for data collection and analysis of stellar occultations
• Warm millimetre dust in protoplanetary discs near massive stars
• Searching for pulsars associated with polarised point sources using LOFAR: Initial discoveries from the TULIPP project
• Mapping radial abundance gradients with Gaia-ESO open clusters: Evidence of recent gas accretion in the Milky Way disk
• High-resolution extinction map in the direction of the strongly obscured bulge fossil fragment Liller 1
• Rapid Radio Flaring during an Anomalous Outburst of SS Cyg
• Astrometric Effects of Gravitational Wave Backgrounds with non-Luminal Propagation Speeds
• Masses of the components of SB2 binaries observed with Gaia. IV. Accurate SB2 orbits for 14 binaries, and masses of 3 binaries
• Search for lithium-rich giants in 32 open clusters with high-resolution spectroscopy
• Chronostar. II. Kinematic age and substructure of the Scorpius-Centaurus OB2 association
• Hubble Space Telescope astrometry of the closest brown dwarf binary system -- I. Overview and improved orbit
• WIYN Open Cluster Study: The Old Open Cluster, NGC 188, and a Re-evaluation of Lithium-Richness Among Red Giants
• An ablating super-Earth in an eccentric binary from the Dispersed Matter Planet Project
• Hot gas in the Wolf-Rayet nebula NGC3199
• Probing the Galactic halo with RR Lyrae stars $-$ III. The chemical and kinematic properties of the stellar halo
• Constraints on the Galactic Centre environment from Gaia hypervelocity stars
• The e-TidalGCs Project: Modeling the extra-tidal features generated by Galactic globular clusters
• Highly dynamically evolved intermediate-age open clusters
• A large topographic feature on the surface of the trans-Neptunian object (307261) 2002 MS${}_4$ measured from stellar occultations
• A common origin for dynamically associated near-Earth asteroid pairs
• Gaia Focused Product Release: Asteroid orbital solution. Properties and assessment
• Exploring the diversity and similarity of radially anisotropic Milky Way-like stellar haloes: implications for disrupted dwarf galaxy searches
• The impact of two massive early accretion events in a Milky Way-like galaxy: repercussions for the buildup of the stellar disc and halo
• Cresting the wave: Proper motions of the Eastern Banded Structure
• The Gaia spectrophotometric standard stars survey -- V. Preliminary flux tables for the calibration of Gaia DR2 and (E)DR3
• Fluctuations of the gravitational field generated by a random population of extended substructures
• Gaia Data Release 1: Validation of the photometry
• Rest-frame UV Properties of Luminous Strong Gravitationally Lensed Ly$\alpha$ Emitters from the BELLS GALLERY Survey
• The Multiplicity of M-Dwarfs in Young Moving Groups
• Extending empirical constraints on the SZ-mass scaling relation to higher redshifts via HST weak lensing measurements of nine clusters from the SPT-SZ survey at $z\gtrsim 1$
• Probing ISM Structure in Trumpler 14 & Carina I Using The Stratospheric Terahertz Observatory 2
• Clusterix 2.0. A Virtual Observatory tool to estimate cluster membership probability
• Detection of HC18O+ in a protoplanetary disk: exploring oxygen isotope fractionation of CO
• The fast transient sky with Gaia
• The spectroscopic indistinguishability of red giant branch and red clump stars
• The first retrieval of a substellar subdwarf: A cloud-free SDSS J125637.13-022452.4
• Clean catalogues of blue horizontal-branch stars using Gaia EDR3
• Simulated performance of the molecular mapping for young giant exoplanets with the Medium Resolution Spectrometer of JWST/MIRI
• Roche tomography of cataclysmic variables - VIII: The irradiated and spotted dwarf nova, SS Cygni
• The Oceanus Moving Group: A New 500 Myr-Old Host for the Nearest Brown Dwarf
• Detection of open cluster rotation fields from Gaia EDR3 proper motions
• The Late-Type Extension to MoVeRS (LaTE-MoVeRS): Proper motion verified low-mass stars and brown dwarfs from SDSS, 2MASS, and WISE
• Characterisation of 92 Southern TESS Candidate Planet Hosts and a New Photometric [Fe/H] Relation for Cool Dwarfs
• On the Orbital Inclination of Proxima Centauri b
• Very Low-Mass Stars and Brown Dwarfs in Upper Scorpius using Gaia DR1: Mass Function, Disks and Kinematics
• Proper Motion of the Sextans Dwarf Galaxy from Subaru Suprime-Cam Data
• Evidence for spatially-correlated $Gaia$ parallax errors in the $Kepler$ field
• Dusty disk winds at the sublimation rim of the highly inclined, low mass YSO SU Aurigae
• Pluto's ephemeris from ground-based stellar occultations (1988-2016)
• The Pulsation Properties of $\lambda$ Bootis Stars I. The Southern TESS Sample
• Hunting for intermediate-mass black holes in globular clusters: an astrometric study of NGC 6441
• Resolved Gaia Triples
• WEAVE-StePS. A stellar population survey using WEAVE at WHT
• Transit Timing Variations in the three-planet system: TOI-270
• The Great Wave: Evidence of a large-scale vertical corrugation propagating outwards in the Galactic disc
• MeerCRAB: MeerLICHT Classification of Real and Bogus Transients using Deep Learning
• Extending the Chemical Reach of the H3 Survey: Detailed Abundances of the Dwarf-galaxy Stellar Stream Wukong/LMS-1
• Empirical measurement of the dynamical ages of three globular clusters and some considerations on the use of the dynamical clock
• Precise CCD positions of Triton in 2014-2016 using the newest Gaia DR1 star catalogue
• Ultracool dwarfs in Gaia DR3
• The origin of the LMC stellar bar: clues from the SFH of the bar and inner disk
• Masses of the components of SB2 binaries observed with Gaia. V. Accurate SB2 orbits for 10 binaries and masses of the components of 5 binaries
• Orbiting a binary: SPHERE characterisation of the HD 284149 system
• Improved particle spray algorithm for modeling globular cluster streams
• Evidence of the $Gaia$--VLBI position differences being related to radio source structure
• The old moving groups in the field of Taurus
• oMEGACat II -- Photometry and proper motions for 1.4 million stars in Omega Centauri and its rotation in the plane of the sky
• Absolute Magnitude Calibration for W UMa-Type Systems Based on Gaia Data
• Can Gaia find planets around white dwarfs?
• An ALMA view of 11 Dusty Star Forming Galaxies at the peak of Cosmic Star Formation History
• Variability survey of brightest stars in selected OB associations
• A new resonance-like feature in the outer disc of the Milky Way
• Short timescale variables in the Gaia era: detection and characterization by structure function analysis
• The Effect of Magnetic Variability on Stellar Angular Momentum Loss II: The Sun, 61 Cygni A, $\epsilon$ Eridani, $\xi$ Bootis A and $\tau$ Bootis A
• Dynamical structure of the pulsating atmosphere of RR Lyr - I. A typical pulsation cycle
• What is the Milky Way outer halo made of? High resolution spectroscopy of distant red giants
• NGTS clusters survey -- II. White-light flares from the youngest stars in Orion
• 1D non-LTE corrections for chemical abundance analyses of very metal-poor stars
• On the possible triple central star system of PN SuWt 2: No ménage à trois at the heart of the Wedding Ring
• The chemical composition of the stellar cluster Gaia1: no surprise behind Sirius
• The Gaia-ESO Survey: The inner disc, intermediate-age open cluster Pismis 18
• Constraining the primordial curvature perturbation using dark matter substructure
• Super-resolution Imaging of the Protoplanetary Disk HD 142527 Using Sparse Modeling
• Bending waves excited by irregular gas inflow along warps
• Age-metallicity dependent stellar kinematics of the Milky Way disc from LAMOST and Gaia
• A fresh look at the RR Lyrae population in the Draco dwarf spheroidal galaxy with Gaia
• Presence of red giant population in the foreground stellar sub-structure of the Small Magellanic Cloud
• Intensity-Corrected Herschel Observations of Nearby Isolated Low-Mass Clouds
• The local spiral arm in the LAMOST-Gaia common stars?
• Multiple kinematical populations in Vela OB2 from Gaia DR1 data
• A combined HST and XMM-Newton campaign for the magnetic O9.7 V star HD 54879: towards constraining the weak-wind problem of massive stars
• AU-scale radio imaging of the wind collision region in the brightest and most luminous non-thermal colliding wind binary Apep
• The Gaia spectrophotometric standard stars survey -- IV. Results of the absolute photometry campaign
• Calibration of the photometric G passband for Gaia Data Release 1
• Unprecedented change in the position of four radio sources
• Beating stellar systematic error floors using transit-based densities
• Comparing hypervelocity star populations from the Large Magellanic Cloud and the Milky Way
• Catalogue of model star clusters in the Milky Way and M31 galaxies
• Constraints on the Galactic Centre environment from \textit{Gaia} hypervelocity stars III: Insights on a possible companion to Sgr A*
• Spectral analysis of basaltic asteroids observed by the Gaia space mission
• Spectroscopic confirmation and modelling of two lensed quadruple quasars in the Dark Energy Survey public footprint
• A kinematic excess in the annular gap and gas depleted cavity in the disc around HD 169142
• An Improved Model for the Spectra of Disks of Nova-like Variables
• Antisolar differential rotation with surface lithium enrichment on the single K-giant V1192 Orionis
• Constraints on the Galactic Centre environment from Gaia hypervelocity stars II: The evolved population
• HST astrometry in the Orion Nebula Cluster: census of low-mass runaways
• NEOExchange -- An online portal for NEO and Solar System science
• The orbital evolution of UFDs and GCs in an evolving Galactic potential
• An extended and refined grid of 3D STAGGER model atmospheres. Processed snapshots for stellar spectroscopy
• Ultracool dwarf benchmarks with \emph{Gaia} primaries
• The Milky Way, Coming into Focus: Precision Astrometry Probes its Evolution, and its Dark Matter
• APOGEE-2S view of the globular cluster Patchick 125 (Gran 3). New metallicity and elemental abundances from high-resolution spectroscopy
• Asteroseismology of KIC 7107778: a binary comprising almost identical subgiants
• The Escape Velocity Profile of the Milky Way from Gaia DR3
• WASP-131 b with ESPRESSO I: A bloated sub-Saturn on a polar orbit around a differentially rotating solar-type star
• Stars with fast Galactic rotation observed in Gaia TGAS: a signature driven by the Perseus arm?
• Constraining accretion signatures of exoplanets in the TW Hya transitional disk
• Statistical Fitting of Evolution Models to Rotation Rates of Sun-Like Stars
• A deep 1.4 GHz survey of the J1030 equatorial field: a new window on radio source populations across cosmic time
• Using HARPS-N to characterise the long-period planets in the PH-2 and Kepler-103 systems
• Mapping diffuse interstellar bands in the local ISM on small scales via MUSE 3D spectroscopy
• Discovery of a Metal-poor, Luminous Post-AGB Star that Failed the Third Dredge-up
• CANUCS: Constraining the MACS J0416.1-2403 Strong Lensing Model with JWST NIRISS, NIRSpec and NIRCam
• The EBLM project X. Benchmark masses, radii and temperatures for two fully convective M-dwarfs using K2
• Magnetic activity and radial velocity filtering of young Suns: The weak-line T Tauri stars Par 1379 and Par 2244
• The Hot Neptune WASP-166~b with ESPRESSO I: Refining the Planetary Architecture and Stellar Variability
• Gaia predicted brown dwarf detection rates around FGK stars in astrometry, radial velocity, and photometric transits
• TOPCAT: Desktop Exploration of Tabular Data for Astronomy and Beyond
• Towards a fully consistent Milky Way disk model -- IV. The impact of Gaia DR2 and APOGEE
• Even More Rapidly Rotating Pre-Main Sequence M Dwarfs with Highly Structured Light Curves: An Initial Survey in the Lower Centaurus-Crux and Upper Centaurus-Lupus Associations
• High-speed stars. II. An unbound star, young stars, bulge metal-poor stars, and Aurora candidates
• Qatar Exoplanet Survey: Qatar-6b -- a grazing transiting hot Jupiter
• Wide binary stars formed in the turbulent interstellar medium
• Asteroid astrometry by stellar occultations: Accuracy of the existing sample from orbital fitting
• High signal-to-noise spectral characterization of the planetary-mass object HD 106906 b
• The true nature of Swift J0746.3-1608: a possible Intermediate Polar showing accretion state changes
• Impacts of the image alignment over frequency for VLBI Global Observing System
• Search for Extremely Metal-Poor Stars with GEMINI-N/GRACES I. Chemical-Abundance Analysis
• Three new barium dwarfs with WD companions: BD+68 1027, RE J0702+129 and BD+80 670
• The $\text{Gaia}$ Ultra-Cool Dwarf Sample $-$ III: Seven new multiple systems containing at least one $\text{Gaia}$ DR2 ultra-cool dwarf
• Random Forest classification of Gaia DR3 white dwarf-main sequence spectra: a feasibility study
• Chemodynamical Analysis of Metal-rich High-eccentricity Stars in the Milky Way's Disk
• A search for runaway stars in twelve Galactic supernova remnants
• Torus Models of the Outer Disc of the Milky Way using LAMOST Survey Data
• The vertical metallicity gradients of mono-age stellar populations in the Milky Way with the RAVE and Gaia data
• The first detection of a low-frequency turnover in nonthermal emission from the jet of a young star
• Evidence For Multiple Accretion Events in the $Gaia$-Sausage/Enceladus Structures
• Characterizing the stellar population of NGC 1980
• The multichord stellar occultation on 2019 October 22 by the trans-Neptunian object (84922) 2003 VS${}_2$
• A systematic validation of hot Neptunes in TESS data
• A dense mini-Neptune orbiting the bright young star HD 18599
• Evidence of a non-conservative mass transfer for XTE J0929-314
• Spectroscopic orbits of subsystems in multiple stars. V
• Searching for Milky Way twins: Radial abundance distribution as a strict criterion
• Confirmation of the Long-Period Planet Orbiting Gliese 411 and the Detection of a New Planet Candidate
• A collage of small planets from the Lick Carnegie Exoplanet Survey : Exploring the super-Earth and sub-Neptune mass regime
• Multi-wavelength detection of an ongoing FUOr-type outburst on a low-mass YSO
• Probing the unidentified Fermi blazar-like population using optical polarization and machine learning
• Chemical Evolution of R-process Elements in Stars (CERES): IV. An observational run-up of the third r-process peak with Hf, Os, Ir, and Pt
• A Distance Estimate to the Cygnus Loop Based on the Distances to Two Stars Located Within the Remnant
• Modeling Asteroseismic Yields for the Roman Galactic Bulge Time-Domain Survey
• The Solar Neighborhood XLII. Parallax Results from the CTIOPI 0.9-m Program --- Identifying New Nearby Subdwarfs Using Tangential Velocities and Locations on the H-R Diagram
• Combining Hipparcos and Gaia data for the study of binaries: the BINARYS tool
• The future of stellar occultations by distant solar system bodies: perspectives from the Gaia astrometry and the deep sky surveys
• A Six-Planet System Around the Star HD 34445
• ALMA High-resolution Multiband Analysis for the Protoplanetary Disk around TW Hya
• Simulated Galactic methanol maser distribution to constrain Milky Way parameters
• A stellar occultation by the transneptunian object (50000) Quaoar observed by CHEOPS
• A new white dwarf companion to the $\Delta \mu$ star GJ 3346
• ALMA 26 arcmin${}^2$ survey of GOODS-S at one-millimeter (ASAGAO): millimeter properties of stellar mass selected galaxies
• Galactic Sources Detected in the NuSTAR Serendipitous Survey
• MeV to multi-TeV thermal WIMPs: most conservative limits
• Observations of the Ultraviolet-Bright Star Y453 in the Globular Cluster M4 (NGC 6121)
• Searching for Stars Closely Encountering with the Solar System Based on Data from the Gaia DR1 and RAVE5 Catalogues
• Binary-driven stellar rotation evolution at the main-sequence turn-off in star clusters
• Individual Dynamical Masses of DENIS J063001.4$-$184014AB Reveal A Likely Young Brown Dwarf Triple
• Milliarcsecond astrometry for the Galilean moons using stellar occultations
• The Gaia Data Release 1 parallaxes and the distance scale of Galactic planetary nebulae
• Coronal X-ray emission and planetary irradiation in HD 209458
• Vertical structure of Galactic disk kinematics from LAMOST K giants
• Optical and infrared study of the obscured B[e] supergiant high-mass X-ray binary IGR J16318-4848
• Confronting expansion distances of planetary nebulae with Gaia DR2 measurements
• A modified CoRoT detrend algorithm and the discovery of a new planetary companion
• Abundance analyses of the new R Coronae Borealis stars: ASAS-RCB-8 and ASAS-RCB-10
• NGTS 15b, 16b, 17b and 18b: four hot Jupiters from the Next Generation Transit Survey
• The SOUL view of IRAS20126+4104. Kinematics and variability of the H${}_2$ jet from a massive protostar
• On the Hunt for the Origins of the Orphan--Chenab Stream: Detailed Element Abundances with APOGEE and Gaia
• GRAVITY spectro-interferometric study of the massive multiple stellar system HD 93 206 A
• Subaru Hyper Suprime-Cam Survey of Cygnus OB2 Complex -- I: Introduction, Photometry and Source Catalog
• The VVV Open Cluster Project. Near-infrared sequences of NGC6067, NGC6259, NGC4815, Pismis18, Trumpler23, and Trumpler20
• X-Shooter Survey of Young Intermediate Mass Stars -- I. Stellar Characterization and Disc Evolution
• Non-Parametric Spherical Jeans Mass Estimation with B-splines
• Galaxy archaeology for wet mergers: Globular cluster age distributions in the Milky Way and nearby galaxies
• The Puzzling Story of Flare Inactive Ultra Fast Rotating M dwarfs. I. Exploring their Magnetic Fields
• Chasing extreme planetary architectures: I- HD196885Ab, a super-Jupiter dancing with two stars?
• A close-in puffy Neptune with hidden friends: The enigma of TOI 620
• First observational evidence of a relation between globular clusters' internal rotation and stellar masses
• Jeans that fit: weighing the mass of the Milky Way analogues in the $\Lambda \mathrm{CDM}$ universe
• The intricate Galaxy disk: velocity asymmetries in Gaia-TGAS
• A New Multi-Wavelength Census of Blazars
• Kinematics of the Milky Way from the Gaia EDR3 red giants and sub-giants
• Rapid Growth of Galactic Supermassive Black Holes through Accreting Giant Molecular Clouds during Major Mergers of their Host Galaxies
• BANYAN. X. Discovery of a wide, low-gravity L-type companion to a fast-rotating M3 dwarf
• Ground-based astrometry calibrated by Gaia DR1: new perspectives in asteroid orbit determination
• Spectroscopic Studies of 30 Short-period Cataclysmic Variable Stars, and Remarks on the Evolution and Population of Similar Objects
• Eclipsing Binary Populations across the Northern Galactic Plane from the KISOGP survey
• New binaries in the epsilon Cha association
• Searching for new young stars in the northern hemisphere: The Pisces Moving Group
• Three small transiting planets around the M dwarf host star LP 358-499
• A deep near-infrared spectroscopic survey of the Scutum-Crux arm for Wolf-Rayet stars
• Gaia Data Release 1: The archive visualisation service
• A Comparative L-dwarf Sample Exploring the Interplay Between Atmospheric Assumptions and Data Properties
• Galactic Kinematics Derived from Data in the RAVE5, UCAC4, PPMXL, and Gaia TGAS Catalogs
• The canonical Luminous Blue Variable AG Car and its neighbor Hen 3-519 are much closer than previously assumed
• Magnetic field geometry and chemical abundance distribution of the He-strong star CPD -57 3509
• Probing the shape of the Milky Way dark matter halo with hypervelocity stars: a new method
• Towards Realistic Modeling of the Astrometric Capabilities of MCAO Systems: Detecting an Intermediate Mass Black Hole with MAVIS
• A dearth of close-in planets around rapidly rotating stars or a dearth of data?
• Leveraging HST with MUSE: II. Na-abundance variations in intermediate age star clusters
• Ultralow-amplitude RR Lyrae Stars in M4
• Machine Learning based search for Cataclysmic Variables within Gaia Science Alerts
• The 2017 May 20${}^{\mathrm{th}}$ stellar occultation by the elongated centaur (95626) 2002 GZ${}_{32}$
• Collisions of Terrestrial Worlds: The Occurrence of Extreme Mid-Infrared Excesses around Low-Mass Field Stars
• Molecular Gas Properties in the Host Galaxy of GRB080207
• Precise distances from OGLE-IV member RR Lyrae stars in six bulge globular clusters
• Mapping the Milky Way with Gaia Bp/Rp spectra I: Systematic flux corrections and atmospheric parameters for 68 million stars
• VELOcities of CEpheids (VELOCE) II. Systematic Search for Spectroscopic Binary Cepheids
• Europium enrichment and hierarchical formation of the Galactic halo
• Reaching the boundary between stellar kinematic groups and very wide binaries. IV. The widest Washington double star systems with rho > 1000 arcsec in Gaia DR3
• Radio observations of four active galactic nuclei hosting intermediate-mass black hole candidates: studying the outflow activity and evolution
• Orbital variations and outbursts of the unusual variable star V1129 Centauri
• Exploring Thousands of Nearby Hierarchical Systems with Gaia and Speckle Interferometry
• The Synthetic ALMA Multiband Analysis of the Dust Properties of the TW Hya Protoplanetary Disk
• Revised surface abundances of R Coronae Borealis stars
• A distortion solution for the Bok telescope with four CCD chips
• The Orbit and Companion of PSR J1622-0315: Variable Asymmetry and a Massive Neutron Star
• Galactic and stellar perturbations of long period comet motion -- Practical considerations
• High-Resolution Chemical Abundances of the Nyx Stream
• Limitations and rotation of the two-armed phase spiral in the Milky Way stellar disc
• Variable stars in the field of intermediate-age open cluster NGC 559
• Galaxy Rotation Parameters from OB2 Stars with Proper Motions and Parallaxes from the Gaia EDR3 Catalog
• Spatio-temporal map of star clusters in the Magellanic Clouds using Gaia: Synchronized peaks and radial shrinkage of cluster formation
• Constraints on galaxy formation from the cosmic-far-infrared-background\,$-$\,optical-imaging cross-correlation using \textit{Herschel} and UNIONS
• Solar System-scale interferometry on fast radio bursts could measure cosmic distances with sub-percent precision
• VVVX near-IR photometry for 99 low-mass stars in the Gaia EDR3 Catalog of Nearby Stars
• The Galactic Bulge exploration IV.: RR~Lyrae stars as traces of the Galactic bar -- 3D and 5D analysis, extinction variation
• The role of accreted and in situ populations in shaping the stellar halos of low-mass galaxies
• A kinematically unbiased, all-sky search for nearby, young, low-mass stars
• The missing radial velocities of Gaia: blind predictions for DR3
• Parameters of the Link between the Optical and Radio Frames from Gaia DR2 Data and VLBI Measurements
• The proper motion of stars in dwarf galaxies: distinguishing central density cusps from cores
• A Catalog of LAMOST Variable Sources Based on Time-domain Photometry of ZTF
• Measuring the Streaming motion in the Milky Way disc with Gaia EDR3 +
• Open cluster dissolution rate and the initial cluster mass function in the solar neighbourhood. Modelling the age and mass distributions of clusters observed by Gaia
• Understanding Fomalhaut as a Cooper pair
• Testing the mass-radius relation of white dwarfs in common proper motion pairs I.Hydrogen-dominated atmospheres
• Exploring the ex-situ components within Gaia DR3
• Kinematics of stellar substructures in the Small Magellanic Cloud
• Testing the distance scale of the Gaia TGAS catalogue by kinematic method
• Water and OH Emission from the inner disk of a Herbig Ae/Be star
• An Investigation of Four Chemically Peculiar Stars with Photometric Periods below 12 Hours
• Light propagation in 2PN approximation in the monopole and quadrupole field of a body at rest: Initial value problem
• Gaia: the Galaxy in six (and more) dimensions
• Optical and NIR spectroscopy of cool CEMP stars to probe the nucleosynthesis in low mass AGB binary system
• The Radial Distribution of Mono-Metallicity Populations in the Galactic Disk as Evidence for Two-Phase Disk Formation
• BEER analysis of Kepler and CoRoT light curves. V. eBEER: Extension of the Algorithm to Eccentric Binaries
• The Science of Fundamental Catalogs
• Andromeda XXV -- a dwarf galaxy with a low central dark matter density
• A method to calculate the local density distribution of the Galaxy from the Tycho-Gaia Astrometric Solution data
• ASASSN-16eg: New candidate of long-period WZ Sge-type dwarf nova
• The Effect of Molecular Cloud Properties on the Kinematics of Stars Formed in the Trifid Region
• Comparison of Gaia and asteroseismic distances
• Chemically Peculiar Stars in the Open Cluster Stock 2
• Hypercompact stellar clusters: morphological renditions and spectro-photometric models
• A Gaia based photometric and kinematic analysis of the old open cluster King 11
• Post-linear metric of a compact source of matter
• High Spatial Resolution Thermal-Infrared Spectroscopy with ALES: Resolved Spectra of the Benchmark Brown Dwarf Binary HD 130948BC
• Pulsations and Period Variations of the $\delta$ Scuti Star AN Lyncis in a possible three-body system
• On the methanol emission detection in the TW Hya disc: the role of grain surface chemistry and non-LTE excitation
• Circumstellar CO J = 3-2 detected around the evolving metal-poor ([Fe/H] ~ -1.15 dex) AGB star RU Vulpeculae
• Peculiarities of Open Star Clusters with High Vertical Velocities from the Region of the Sco-Cen OB Association
• Discovery of an M-type Companion to the Herbig Ae Star V1787 Ori
• The global structure of the Milky Way's stellar halo based on the orbits of local metal-poor stars
• Weak Lensing analysis of Abell 2390 using short exposures
• Precise characterisation of HD 15337 with CHEOPS: a laboratory for planet formation and evolution
• Measuring the Sun's Motion with Stellar Streams
• Converting the sub-Jovian desert of exoplanets to a savanna with TESS, PLATO and Ariel
• A warm molecular ring in AG Car: composing the mass-loss puzzle
• GaiaUnlimited: The old stellar disc of the Milky Way as traced by the Red Clump
• Astronomical distance scales in the Gaia era
• Investigating kinematics and dynamics of three open clusters towards Galactic anti-center
• Clumpy dust rings around non-accreting young stars
• The Kepler Eclipsing Binary V2281 Cygni with Twin Stars
• Chemodynamics of metal-poor wide binaries in the Galactic halo: Association with the Sequoia event
• Chemo-Dynamical Tagging in the Outskirts: The Origins of Stellar Substructures in the Magellanic Clouds
• Galactic breeze origin for the Fermi bubbles emission
• A Gaia based analysis of open cluster Berkeley 27
• Dynamical mirages: how bar-induced resonant trapping can mimic substructure clustering in dynamical parameter spaces
• Variability and transient search in the SUDARE-VOICE field: a new method to extract the light curves
• A Search for Transiting Planets in the Globular Cluster M4 with K2: Candidates and Occurrence Limits
• Search for Close Stellar Encounters with the Solar System from Data on Nearby Dwarfs
• Tracking Advanced Planetary Systems (TAPAS) with HARPS-N VII. Elder suns with low-mass companions
• Vertical Distribution and Kinematics of Protoplanetary Nebulae in the Galaxy
• COBIPULSE: A Systematic Search for Compact Binary Millisecond Pulsars
• An X-ray View of the Ambiguous Nuclear Transient AT2019pev
• Five new eclipsing binaries with low-mass companions
• Cluster membership analysis with supervised learning and $N$-body simulations
• Optical variability of ICRF3 quasars in the Pan-STARRS 3Pi survey with functional principal components analysis
• Constraints on the abundance of $0.01c$ stellar engines in the Milky Way
• Pairing function of visual binary stars
• J-PLUS: Detecting and studying extragalactic globular clusters -- the case of NGC 1023
• A survey for occultation astrometry of Main Belt: expected astrometric performances
• Searching for compact objects in the single-lined spectroscopic binaries of the young Galactic cluster NGC 6231
• Mapping the Milky Way's stellar halo with 2D data
• Expanding shells around young clusters -- S 171/Be 59
• Differential Astrometry with Gaia: Investigating relativistic light deflection close to Jupiter
• Mapping the Milky Way in 5-D with 170 Million Stars
• The Gaia RVS benchmark stars II. A sample of stars selected for their Gaia high radial velocity
• Omega Centauri: weak MgH-band in red giants directly trace the helium content
• RR Lyrae Stars In Stellar Streams with Gaia: The Escapers
• Detection of highly correlated optical and X-ray variations in SS Cygni with Tomo-e Gozen and NICER
• The H$\alpha$ line emission of the Be star $\beta$ Psc: the last 40 years
• Overall properties of the Gaia DR1 reference frame
• An optimised survey strategy for the ERIS/NIX imager: searching for young giant exoplanets and very low mass brown dwarfs using the K-peak custom photometric filter
• On the behaviour of spin-orbit connection of exoplanets
• Observations of red giants with suspected massive companions
• Yields from massive stars in binaries. Chemical evolution of the Milky Way disk
• StarStream: Automatic detection algorithm for stellar streams
• A second-generation star in a relic dwarf galaxy
• Survivors and Zombies: The Quenching and Disruption of Satellites around Milky Way Analogs
• Evolving massive stars to core collapse with GENEC: Extension of equation of state, opacities and effective nuclear network
• All-sky Guide Star Catalog for CSST
• An astrometric and spectroscopic study of the $\delta$ Scuti variable HD21190 and its wide companion CPD -83${}^{\circ }$ 64B
• Candidate exoplanet host HD131399A: a nascent Am star
• The VVV Open Cluster Project II. Near-infrared sequences of 37 open clusters on eight-dimensional parameter space
• Directly Detecting the Envelopes of Low-mass Planets Embedded In Protoplanetary Discs and The Case For TW Hydrae
• TIC 5724661: A Long-Period Binary with a Pulsating sdB Star and $\delta$ Scuti Variable
• The Featureless HST/WFC3 Transmission Spectrum of the Rocky Exoplanet GJ 1132b: No Evidence For A Cloud-Free Primordial Atmosphere and Constraints on Starspot Contamination
• Multi-scale Radio and X-ray Structure of the High-redshift Quasar PMN J0909+0354
• Fundamental properties of stars from Kepler and Gaia data: parallax offset and revised scaling relations
• The Deep and Low-Mass-Ratio Contact Binary CSS J022914.4+044340 with A Luminous Additional Companion
• A three-dimensional model for the reversal in the local large-scale interstellar magnetic field
• Performance of the Gemini Planet Imager Non-Redundant Mask and spectroscopy of two close-separation binaries HR 2690 and HD 142527
• Molecules with ALMA at Planet-forming Scales (MAPS) XIX. Spiral Arms, a Tail, and Diffuse Structures Traced by CO around the GM Aur Disk
• The rich molecular environment of the luminous blue variable star AFGL 2298
• Metal-rich stellar counterpart of the Radcliffe Wave and the 3D chemical footprints of the Milky Way spiral arms
• The stellar population in the SARAO MeerKAT Galactic Plane Survey
• Near-infrared spectroscopic characterisation of Gaia ultra-cool dwarf candidates; Spectral types and peculiarities
• Strömgren photometric metallicity map of the Magellanic Cloud stars using Gaia DR3--XP spectra
• Photometric calibration in u-band using blue halo stars
• A search for peculiar stars in the open cluster Hogg 16
• Gaia and VLT astrometry of faint stars: Precision of Gaia DR1 positions and updated VLT parallaxes of ultracool dwarfs
• Search for Exoplanets around Northern Circumpolar Stars- II. The Detection of Radial Velocity Variations in M Giant Stars HD 36384, HD 52030, and HD 208742
• Absolute dimensions of the F-type eclipsing binary V2154 Cygni
• The Solar Neighborhood L: Spectroscopic Discovery of K Dwarfs Younger Than 1 Gyr and New Binaries within 30 pc
• Differential Astrometric Framework for the Jupiter Relativistic Experiment with Gaia
• A uvbyCaHbeta CCD Analysis of the Open Cluster Standard, M67,and its Relation to NGC 752
• Revisiting the near infrared Calcium triplet as metallicity indicator
• The Nephele ecosystem: stars, globular clusters, and stellar streams associated with the progenitor galaxy of $\omega$ Centauri
• On the long-term evolution of razor-thin galactic discs: Balescu-Lenard prediction and perspectives
• A Kinematic History of Stellar Encounters with Beta Pictoris
• Faint, high proper motion star candidates selected from the SDSS and PS1 catalogs
• Testing the predictions of axisymmetric distribution functions of galactic dark matter with hydrodynamical simulations
• The HST-Hyperion Survey: Companion Fraction and Overdensity in a z ~ 2.5 Proto-supercluster
• Joint Analysis of Multicolor Photometry: A New Approach to Constrain the Nature of Multiple-Star Systems Hosting Exoplanet Candidates
• True Masses using RV data with Hipparcos and Gaia Astrometry
• On the Encounter Rate of Open Star Clusters
• The Hipparcos Pleiades parallax error is also a proper motion error
• Warps survive beyond fly-by encounters in protoplanetary disks. RW Aur A as a case study
• Three new late-type stellar companions to very dusty WISE debris disks identified with VLT/SPHERE imaging
• A Wave-Corrected Assessment of the Local Midplane
• Census of Variable Stars toward Serpens Main
• Period-Luminosity-Metallicity-Color Relations of Late-type Contact Binaries in the Big Data Era
• Signatures of the Galactic bar in high-order moments of proper motions measured by Gaia
• A deep staring campaign in the Sigma Orionis cluster. Variability in substellar members
• Kepler data on KIC 7341653, a nearby M dwarf with monster flares and a phase-coherent variability
• Auriga Superstars: Improving the resolution and fidelity of stellar dynamics in cosmological galaxy simulations
• The evolution of velocity dispersion in the Sco-Cen OB association
• Features of the Residual Velocity Ellipsoid of Hot Subdwarfs from the Gaia DR2 Catalog
• Sparse logistic regression for RR Lyrae vs binaries classification
• The Radiowave Hunt for Young Stellar Object Emission and Demographics (RADIOHEAD): A Radio Luminosity$-$Spectral Type Dependence in Taurus$-$Auriga YSOs
• Multi-Wavelength characterization of VVVX open clusters
• A Cartesian catalog of 30 million Gaia sources based on second-order and Monte Carlo error propagation
• Using Stellar Spectral Energy Distributions to Measure Exoplanet Parameters
• Constraining the size, shape, and albedo of the large Trans-Neptunian Object (28978) Ixion with multi-chord stellar occultations
• 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
• Automated all-sky detection of γ Doradus / δ Scuti hybrids in TESS data from positive unlabelled (PU) learning
• Precise Physical Parameters, Habitability, and Orbital Stability of Sun-like SB2 Systems: HD 130669, HD 184467, HD 191854, and HD 214222
• Direct measurement of ISM proper motion with image registration
• Global survey of star clusters in the Milky Way VIII. Cluster formation and evolution
• Construction of a far ultraviolet all sky map from an incomplete survey: Application of a deep learning algorithm
• VLBI astrometry on the white dwarf pulsar AR Scorpii
• The California Legacy Survey I. A Catalog of 178 Planets from Precision Radial Velocity Monitoring of 719 Nearby Stars over Three Decades
• Inferences about the distribution, merger rate, and evolutionary processes of compact binaries from gravitational wave observations
• Gould Belt Members in X-ray RAVE: Cross-Matching RAVE Stars with 3XMM Point Sources
• Gaia-supported re-discovery of a remarkable weak line quasar from a variability and proper motion survey
• Classification of 3 accreting binaries with VLT/X-Shooter spectra
• Analysis of modern astrometric catalogues in the Gaia era
• An improved solution to geometric distortion using an orthogonal method
• Accurate orbital solution for the new and metal poor eclipsing binary Tycho~5227-1023-1
• TIC 454140642: A Compact, Coplanar, Quadruple-lined Quadruple Star System Consisting of Two Eclipsing Binaries
• The Photometric Analysis of the Environment Around Two Dusty Star-Forming Galaxies at $z\sim 2$
• The Nearby Evolved Stars Survey II: Constructing a volume-limited sample and first results from the James Clerk Maxwell Telescope
• The chemodynamical memory of a major merger in a NIHAO-UHD Milky Way analogue -- I. A golden thread through time and space
• Stellar encounters in the solar neighbourhood and the special case of GJ~710
• 4MOST ChANGES: Catalog of high-redshift quasar candidates (4.5 < $z$ < 7) selected with SED fitting
• Kinematics of the Central Stars Powering Bowshock Nebulae and the Large Multiplicity Fraction of Runaway OB Stars
• LINC-NIRVANA Commissioning at the Large Binocular Telescope -- Lessons Learned
• The star catalogue of Wilhelm IV, Landgraf von Hessen-Kassel: Accuracy of the catalogue and of the measurements
• Gaia Data Release 4: Modelling of drift-scan related effects in Gaia's point spread function
• Loose threads: parsec-scale filamentation in the high Galactic latitude molecular clouds MBM 3 and MBM 16
• Finding Fast Transients in Real Time Using Novel Light Curve Analysis Algorithm
• Consensus based Algorithm for Nonparametric Detection of Star Clusters (CANDiSC)
• A multi-wavelength study of GRS 1716-249 in outburst : constraints on its system parameters
• The Visual Survey Group: A Decade of Hunting Exoplanets and Unusual Stellar Events with Space-Based Telescopes
• The Hierarchical Structure of the Open Cluster NGC 752
• HAT-P-68b: A Transiting Hot Jupiter Around a K5 Dwarf Star
• Search for variable stars in the northern sky:Analysis of photometric time series for 3598 stars
• Precision Time-series Photometry in the Thermal Infrared with a 'Wall-Eyed' Pointing Mode at the Large Binocular Telescope
• Constraining the nature of the possible extrasolar PDS110b ring system
• "Worst-Case" Micro-Lensing in the Identification and Modeling of Lensed Quasars
• Modeling the Accretion of High-Velocity Clouds from a Rotating Halo