Gaia Data Release 3: Stellar multiplicity, a teaser for the hidden treasure

Abstract

The Gaia DR3 Catalogue contains for the first time about eight hundred thousand solutions with either orbital elements or trend parameters for astrometric, spectroscopic and eclipsing binaries, and combinations of them. This paper aims to illustrate the huge potential of this large non-single star catalogue. Using the orbital solutions together with models of the binaries, a catalogue of tens of thousands of stellar masses, or lower limits, partly together with consistent flux ratios, has been built. Properties concerning the completeness of the binary catalogues are discussed, statistical features of the orbital elements are explained and a comparison with other catalogues is performed. Illustrative applications are proposed for binaries across the H-R diagram. The binarity is studied in the RGB/AGB and a search for genuine SB1 among long-period variables is performed. The discovery of new EL CVn systems illustrates the potential of combining variability and binarity catalogues. Potential compact object companions are presented, mainly white dwarf companions or double degenerates, but one candidate neutron star is also presented. Towards the bottom of the main sequence, the orbits of previously-suspected binary ultracool dwarfs are determined and new candidate binaries are discovered. The long awaited contribution of Gaia to the analysis of the substellar regime shows the brown dwarf desert around solar-type stars using true, rather than minimum, masses, and provides new important constraints on the occurrence rates of substellar companions to M dwarfs. Several dozen new exoplanets are proposed, including two with validated orbital solutions and one super-Jupiter orbiting a white dwarf, all being candidates requiring confirmation. Beside binarity, higher order multiple systems are also found.

arXiv comment60 pages, 60 figures. Accepted for publication in Astronomy & Astrophysics (2022-06-09). The catalogue of binary masses is available for download from the ESA Gaia DR3 Archive and will be available from the CDS/VizieR service

References in corpus (177)

• Gaia Data Release 2. Summary of the contents and survey properties
• The Gaia mission
• HEALPix -- a Framework for High Resolution Discretization, and Fast Analysis of Data Distributed on the Sphere
• PARSEC: stellar tracks and isochrones with the PAdova and TRieste Stellar Evolution Code
• Gaia Data Release 3: Summary of the content and survey properties
• The Transiting Exoplanet Survey Satellite
• Validation of the new Hipparcos reduction
• Binary companions of evolved stars in APOGEE DR14: Search method and catalog of ~5,000 companions
• X-ray Properties of Black-Hole Binaries
• Intrinsic Colors, Temperatures, and Bolometric Corrections of Pre-Main Sequence Stars
• The SIMBAD astronomical database
• Gaia Data Release 1. Summary of the astrometric, photometric, and survey properties
• A Survey of Stellar Families: Multiplicity of Solar-Type Stars
• The VizieR database of Astronomical Catalogues
• The Geneva-Copenhagen survey of the Solar neighbourhood: Ages, metallicities, and kinematic properties of 14,000 F and G dwarfs
• The Ninth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-III Baryon Oscillation Spectroscopic Survey
• Gaia Early Data Release 3: The astrometric solution
• The Fourth US Naval Observatory CCD Astrograph Catalog (UCAC4)
• Catalog of Nearby Exoplanets
• The Keck Planet Search: Detectability and the Minimum Mass and Orbital Period Distribution of Extrasolar Planets
• The First Data Release (DR1) of the LAMOST general survey
• The Theory of Brown Dwarfs and Extrasolar Giant Planets
• The PPMXL catalog of positions and proper motions on the ICRS. Combining USNO-B1.0 and 2MASS
• Gaia Early Data Release 3: Photometric content and validation
• Birth and Evolution of Isolated Radio Pulsars
• A distance to the Large Magellanic Cloud that is precise to one per cent
• SB9: The Ninth Catalogue of Spectroscopic Binary Orbits
• The HARPS search for southern extra-solar planets XXXI. The M-dwarf sample
• The Pan-STARRS1 Database and Data Products
• The Occurrence and Mass Distribution of Close-in Super-Earths, Neptunes, and Jupiters
• The Second-Generation Guide Star Catalog: Description and Properties
• HERMES: a high-resolution fibre-fed spectrograph for the Mercator telescope
• The Thirteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-IV Survey MApping Nearby Galaxies at Apache Point Observatory
• A ~ 7.5 Earth-Mass Planet Orbiting the Nearby Star, GJ 876
• The LCES HIRES/Keck Precision Radial Velocity Exoplanet Survey
• Accurate, Empirical Radii and Masses of Planets and their Host Stars with Gaia Parallaxes
• A million binaries from Gaia eDR3: sample selection and validation of Gaia parallax uncertainties
• BlackCAT: A catalogue of stellar-mass black holes in X-ray transients
• A $Gaia$ Data Release 2 catalogue of white dwarfs and a comparison with SDSS
• The Galactic disk mass-budget : I. stellar mass-function and density
• How Dry is the Brown Dwarf Desert?: Quantifying the Relative Number of Planets, Brown Dwarfs and Stellar Companions around Nearby Sun-like Stars
• Stellar and substellar companions of nearby stars from Gaia DR2 - Binarity from proper motion anomaly
• Unresolved stellar companions with Gaia DR2 astrometry
• Gaia-2MASS 3D maps of Galactic interstellar dust within 3 kpc
• Gaia Data Release 3 Properties and validation of the radial velocities
• Gaia Early Data Release 3: The Gaia Catalogue of Nearby Stars
• A catalogue of white dwarfs in Gaia EDR3
• Pan-STARRS Photometric and Astrometric Calibration
• The K2 Ecliptic Plane Input Catalog (EPIC) and Stellar Classifications of 138,600 Targets in Campaigns 1-8
• The Hipparcos-Gaia Catalog of Accelerations: Gaia EDR3 Edition
• Spectroscopic stellar parameters for 582 FGK stars in the HARPS volume-limited sample. Revising the metallicity-planet correlation
• The Lick-Carnegie Exoplanet Survey: A Uranus-mass Fourth Planet for GJ 876 in an Extrasolar Laplace Configuration
• Parallax Systematics and Photocenter Motions of Benchmark Eclipsing Binaries in Gaia EDR3
• The Sirius System and its Astrophysical Puzzles: Hubble Space Telescope and Ground-Based Astrometry
• A Planetary Companion to the Nearby M4 Dwarf, Gliese 876
• The CORALIE survey for southern extra-solar planets. XII. Orbital solutions for 16 extra-solar planets discovered with CORALIE
• The Link Between Planetary Systems, Dusty White Dwarfs, and Metal Polluted White Dwarfs
• Stellar and substellar companions from Gaia EDR3 -- Proper motion anomaly and resolved common proper motion pairs
• A 15.65 solar mass black hole in an eclipsing binary in the nearby spiral galaxy Messier 33
• Gaia Data Release 3: Analysis of RVS spectra using the General Stellar Parametriser from spectroscopy
• Exploring The Frequency Of Close-In Jovian Planets Around M Dwarfs
• Gaia Radial Velocity Spectrometer
• SkyMapper Southern Survey: Second Data Release (DR2)
• Photo-astrometric distances, extinctions, and astrophysical parameters for Gaia EDR3 stars brighter than G=18.5
• Know Your Neighborhood: A Detailed Model Atmosphere Analysis of Nearby White Dwarfs
• Gaia Data Release 3: Astrophysical parameters inference system (Apsis) I -- methods and content overview
• Gaia Data Release 3: Processing and validation of BP/RP low-resolution spectral data
• Gaia Data Release 2: Properties and validation of the radial velocities
• Planets Around Low-Mass Stars (PALMS). IV. The Outer Architecture of M Dwarf Planetary Systems
• Search for brown-dwarf companions of stars
• The NIRSPEC Ultracool Dwarf Radial Velocity Survey
• Individual Dynamical Masses of Ultracool Dwarfs
• The Solar Neighborhood XLV. The Stellar Multiplicity Rate of M Dwarfs Within 25 pc
• A Mass for the Extrasolar Planet Gl 876b Determined from Hubble Space Telescope Fine Guidance Sensor 3 Astrometry and High-Precision Radial Velocities
• The Gaia-ESO Public Spectroscopic Survey: Implementation, data products, open cluster survey, science, and legacy
• Observations of Doppler Boosting in Kepler Lightcurves
• Gaia Data Release 3: Catalogue Validation
• The Sixth Data Release of the Radial Velocity Experiment (RAVE) -- II: Stellar Atmospheric Parameters, Chemical Abundances and Distances
• The Sixth Data Release of the Radial Velocity Experiment (RAVE) -- I: Survey Description, Spectra and Radial Velocities
• The Updated Multiple Star Catalog
• The Pan-STARRS Data Processing System
• Pan-STARRS Pixel Processing: Detrending, Warping, Stacking
• Statistical Properties of Brown Dwarf Companions: Implications for Different Formation Mechanisms
• Where are the most ancient stars in the Milky Way?
• The CARMENES search for exoplanets around M dwarfs. First visual-channel radial-velocity measurements and orbital parameter updates of seven M-dwarf planetary systems
• The HARPS search for southern extra-solar planets XIX. Characterization and dynamics of the GJ876 planetary system
• Gaia Data Release 3. Astrometric binary star processing
• Gaia Data Release 3. Summary of the variability processing and analysis
• The CORALIE survey for southern extra-solar planets VIII. The very low-mass companions of HD141937, HD162020, HD168443, HD202206: brown dwarfs or superplanets?
• Double-blind test program for astrometric planet detection with Gaia
• SpeX Spectroscopy of Unresolved Very Low Mass Binaries. II. Identification of Fourteen Candidate Binaries with Late-M/Early-L and T Dwarf Components
• The Gaia-ESO Public Spectroscopic Survey: Motivation, implementation, GIRAFFE data processing, analysis, and final data products
• (Sub)stellar companions shape the winds of evolved stars
• Observational Evidence for Tidal Interaction in Close Binary Systems
• KOI 1224, a Fourth Bloated Hot White Dwarf Companion Found With Kepler
• Pan-STARRS Pixel Analysis : Source Detection and Characterization
• The First U.S. Naval Observatory Robotic Astrometric Telescope Catalog (URAT1)
• Gaia DR3 astrometric orbit determination with Markov Chain Monte Carlo and Genetic Algorithms. Systems with stellar, substellar, and planetary mass companions
• Gaia Data Release 3. The first Gaia catalogue of eclipsing binary candidates
• Hubble Space Telescope Spectroscopy of the Balmer lines in Sirius B
• EL CVn-type binaries - Discovery of 17 helium white dwarf precursors in bright eclipsing binary star systems
• A Keck HIRES Doppler Search for Planets Orbiting Metal-Poor Dwarfs. II. On the Frequency of Giant Planets in the Metal-Poor Regime
• On the Distribution of Orbital Eccentricities for Very Low-Mass Binaries
• Resolved Spectroscopy of M Dwarf/L Dwarf Binaries. I. DENIS J220002.05-303832.9AB
• The Solar Neighborhood XXVIII: The Multiplicity Fraction of Nearby Stars from 5 to 70 AU and the Brown Dwarf Desert Around M Dwarfs
• The Anglo-Australian Planet Search. XXII. Two New Multi-Planet Systems
• Astrometric Identification of Nearby Binary Stars I: Predicted Astrometric Signals
• Revealing black holes with Gaia
• The ESO supernovae type Ia progenitor survey (SPY)
• A Third Hot White Dwarf Companion Detected by Kepler
• The HARPS search for southern extrasolar planets XXV. Results from the metal-poor sample
• Heavy metal rules. I. Exoplanet incidence and metallicity
• An Empirically Derived Three-Dimensional Laplace Resonance in the Gliese 876 Planetary System
• Orbit alignment in triple stars
• Proper-motion binaries in the Hipparcos Catalogue. Comparison with radial velocity data
• A Jovian analogue orbiting a white dwarf star
• Vaex: Big Data exploration in the era of Gaia
• Hunting Black Holes with Gaia
• Multiplicity of Galactic Cepheids and RR Lyrae stars from Gaia DR2 - I. Binarity from proper motion anomaly
• Baade-Wesselink distances to Galactic and Magellanic Cloud Cepheids and the effect of metallicity
• The frequency of giant planets around metal-poor stars
• Two extra-solar planets from the Anglo-Australian Planet Search
• Discovery of a stripped red giant core in a bright eclipsing binary system
• Populations of stellar mass Black holes from binary systems
• Magnetic Field Evolution of Neutron Stars I: Basic formalism, numerical techniques, and first results
• A catalogue of stellar diameters and fluxes for mid-infrared interferometry
• Astrometric orbit of a low-mass companion to an ultracool dwarf
• The detection and characterisation of 54 massive companions with the SOPHIE spectrograph -- 7 new brown dwarfs and constraints on the BD desert
• Unicorns and Giraffes in the binary zoo: stripped giants with subgiant companions
• Binarity in Cool Asymptotic Giant Branch Stars: A Galex Search for Ultraviolet Excesse
• The Solar Neighborhood. XXXIX. Parallax Results from the CTIOPI and NOFS Programs: 50 New Members of the 25 Parsec White Dwarf Sample
• A Dynamical Mass of $70\pm 5$ Jupiter Masses for Gliese 229B, the First T Dwarf
• Lessons from the curious case of the `fastest' star in Gaia DR2
• Gaia Data Release 3: Gaia scan-angle dependent signals and spurious periods
• HADES RV Programme with HARPS-N at TNG XV. Planetary occurrence rates around early-M dwarfs
• Astrometric planet search around southern ultracool dwarfs I: First results, including parallaxes of 20 M8-L2 dwarfs
• Population Synthesis of Black Hole Binaries with Normal-Star Companions: I. Detached Systems
• Five Long-period Extrasolar Planets in Eccentric orbits from the Magellan Planet Search Program
• The Gaia Ultra-Cool Dwarf Sample -- II: Structure at the end of the main sequence
• The SOPHIE search for northern extrasolar planets IX. Populating the brown dwarf desert
• Masses of the components of the HDE 226868/Cyg X-1 binary system
• A Spectroscopic Binary at the M/L Transition
• Gaia Early Data Release 3: Updated radial velocities from Gaia DR2
• The HARPS search for southern extra-solar planets XVII. Six long-period giant planets around BD -17 0063, HD 20868, HD 73267, HD 131664, HD 145377, HD 153950
• Discovery of Two New Thermally Bloated Low-Mass White Dwarfs Among the Kepler Binaries
• WISE J072003.20-084651.2B Is A Massive T Dwarf
• Trigonometric Parallaxes for Two Late-Type Subdwarfs: LSR1425+71 (sdM8.0) and the Binary LSR1610-00 (sd?M6pec)
• Discovery of 36 eclipsing EL CVn binaries found by the Palomar Transient Factory
• Triage of Astrometric Binaries - how to find triple systems and dormant black-hole secondaries in the Gaia orbits
• BANYAN. VI. Discovery of a companion at the brown dwarf/planet-mass limit to a Tucana-Horologium M dwarf
• BEER analysis of Kepler and CoRoT light curves: IV. Discovery of four new low-mass white dwarf companions in the Kepler data
• Precise astrometry and diameters of asteroids from occultations -- a data-set of observations and their interpretation
• Resolving Sirius-like binaries with the Hubble Space Telescope
• A planet in an 840-d orbit around a Kepler main-sequence A star found from phase modulation of its pulsations
• Envelope tomography of long-period variable stars III. Line-doubling frequency among Mira stars
• Determining the true mass of radial-velocity exoplanets with Gaia: 9 planet candidates in the brown-dwarf/stellar regime and 27 confirmed planets
• Exploring the Brown Dwarf Desert: New Substellar Companions from the SDSS-III MARVELS Survey
• Toward an internally consistent astronomical distance scale
• Elodie metallicity-biased search for transiting Hot Jupiters IV. Intermediate period planets orbiting the stars HD43691 and HD132406
• Spectroscopic binaries among Hipparcos M giants III. The eccentricity-period diagram and mass-transfer signatures
• Spectroscopic orbits of nearby stars
• Search for nearby Earth analogs I. 15 planet candidates found in PFS data
• Individual, Model-Independent Masses of the Closest Known Brown Dwarf Binary to the Sun
• A Massive Planet to the Young Disc Star HD 81040
• Determining the mass of the planetary candidate HD 114762 b using Gaia
• Period-luminosity diagram of long period variables in the Magellanic Clouds. New aspects revealed from Gaia Data Release 2
• On The Orbital Separation Distribution and Binary Fraction of M Dwarfs
• LHS 1610A: A Nearby Mid-M Dwarf with a Companion That is Likely A Brown Dwarf
• 2MASS J20261584-2943124: An Unresolved L0.5 + T6 Spectral Binary
• Expectations on the mass determination using astrometric microlensing by Gaia
• Astrometric orbits of spectral binary brown dwarfs I: Massive T dwarf companions to 2M1059$-$21 and 2M0805$+$48
• DE0823$-$49 is a juvenile binary brown dwarf at 20.7 pc
• Individual Dynamical Masses of DENIS J063001.4$-$184014AB Reveal A Likely Young Brown Dwarf Triple
• The Low-Mass Astrometric Binary LSR1610-0040
• Detection methods of binary stars with low- and intermediate-mass components
• Double-lined spectroscopic binaries in the APOGEE DR16 and DR17 data
• The California Legacy Survey I. A Catalog of 178 Planets from Precision Radial Velocity Monitoring of 719 Nearby Stars over Three Decades

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