Proceedings of the Symposium
    The Three-Dimensional Universe with Gaia

     

    The proceedings of the Gaia Symposium "The Three-Dimensional Universe with Gaia", held at the Observatoire de Paris-Meudon, 4-7 October 2004, are published by ESA as SP-576. A pdf version of the paper can be accessed by clicking on the paper title or number below.

    The members of the Scientific and Local Organising Committees, the International Advisory Committee, and publications details can be found here.

    Table of Contents
    Introduction   xiii
    Catherine Turon & Michael Perryman
    Session 1: Overview of the mission, design, and scientific performances
    Chair: Daniel Egret
    Session 1: Invited Contributions
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    Introductory Remarks   3
    J. Kovalevsky
    Overall Science Goals of the Gaia Mission   5
    F. Mignard
    Overview of the Gaia Mission   15
    M.A.C. Perryman
    Gaia: The Satellite and Payload   23
    O. Pace
    The Astrometric Instrument of Gaia: Principles   29
    L. Lindegren
    Accuracy Budget and Performances   35
    J.H.J. de Bruijne
    Photometric System Design and Performances   43
    C. Jordi & E. Høg

    Radial Velocity Spectrometer Design and Performance

    		   51

    D. Katz

    Session 1: Posters
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    The Astro Optical Response Model   59
    D. Busonero, M. Gai, D. Gardiol, M.G. Lattanzi, D. Loreggia
    RVS Wavelength Calibration: Simulation of Reference Stars   63
    F. Crifo, D. Katz
    The Gaia Parameter Database   67
    J.H.J. de Bruijne, U. Lammers, M.A.C. Perryman
    Calibrating the Medium Band Photometer using Spikes   71
    C. Fabricius, E. Høg
    First Gaia Photometry   75
    E. Høg
    Japan Astrometry Satellite Mission for Infrared Exploration (JASMINE)   77
    N. Gouda, T. Yano, Y. Yamada, Y. Kobayashi, T. Tsujimoto, The JASMINE Working Group

    Session 2: Galaxy Census, Formation and Evolution
    Chair: Karri Muinonen

    Session 2: Invited Contributions
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    Gaia Census and Completeness   83
    A.C. Robin
    Modelling the Galaxy for Gaia   89
    J. Binney
    Census of Binaries - the Big Picture   97
    S. Söderhjelm
    ISM, Extinction and Star Forming Regions   105
    J. Knude, C. Fabricius
    The Thin Disc and the Bulge with Gaia   113
    A. Vallenari, E. Nasi, G. Bertelli, C. Chiosi
    Chemical Evolution of the Galaxy   121
    P.E. Nissen
    Session 2: Oral Contributions
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    Dynamical Streams in the Solar Neighbourhood   129
    B. Famaey, A. Jorissen, X. Luri, M. Mayor, S. Udry, H. Dejonghe, C. Turon
    Modelling Interstellar Extinction in Three Dimensions   135
    D.J. Marshall, A.C. Robin, C. Reylé, M. Schultheis
    The Galactic bulge as Seen by Gaia   143
    C. Reylé, A.C. Robin, M. Schultheis, S. Picaud
    Session 2: Posters
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    Chemistry and Kinematics in the Solar Neighbourhood   149
    O. Bienaymé, C. Soubiran, T. Mishenina, V. Kovtyukh, A. Siebert
    From Detailed Galaxy Simulations to a Realistic End-of-Mission Gaia Catalogue   151
    A.G.A. Brown, H.M. Velázquez, L.A. Aguilar
    Stellar Galactic Population Characterization using Gaia Photometry   155
    J.M. Carrasco, C. Jordi, F. Figueras, J. Torra
    Open Clusters and the Galactic Metallicity Distribution   159
    L. Chen, J.L. Hou
    What Gaia Will See: All-Sky Source Counts from the GSC2   163
    R. Drimmel, B. Bucciarelli, M.G. Lattanzi, A. Spagna, C. Jordi, A.C. Robin, C. Reylé, X. Luri
    Galactic Extinction Model: New Developments   167
    R. Drimmel
    [alpha/Fe] in the Thin and the Thick Disc: Towards an Automatic Parametrization of Stellar Spectra   169
    P. Girard, C. Soubiran
    Determination of Star Formation Histories from Gaia-Type Photometric and Astrometric Survey Data   171
    B.R. Jørgensen, L. Lindegren
    Structure of the Galactic Halo Towards the North Galactic Pole   175
    T.D. Kinman, A. Bragaglia, C. Cacciari, A. Buzzoni, A. Spagna
    Self-Consistent Distance Determinations for Lutz-Kelker-Limited Samples   179
    J. Maíz Apellániz
    Tracing the Origin of the Solar Neighbourhood   183
    B. Nordström, J. Andersen, M. Mayor
    The Trouble with Isochrone Ages for Field Stars: A Cautionary Tale for Solar Neighbourhood Studies   187
    F. Pont, L. Eyer
    The Spiral Structure of Our Galaxy   191
    D. Russeil
    The Structure of the Thick Disc   193
    A. Spagna, B. Bucciarelli, D. Carollo, R. Drimmel, M.G. Lattanzi, B. McLean, R.L. Smart
    Combining Photometric and Astrometric Data to Identify Stellar Clustering at KPC-Distances   197
    R. Teixeira, G. Medina-Tanco, M. Corti, C. Ducourant
    Probing Galactic Reddening with the 8620 Å Diffuse Interstellar Band   201
    S. Vidrih, T. Zwitter

    Session 3: Relativity, Solar System, Extra-Solar Planets
    Chair: James Binney
    Session 3: Invited Contributions
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    Relativistic Formulation and Reference Frame   207
    S.A. Klioner
    Astrometric Limits Set by Surface Structure, Binarity, Microlensing   215
    U. Bastian, H. Hefele
    Asteroid Orbits with Gaia: Inversion and Prediction   223
    K. Muinonen, J. Virtanen, M. Granvik, T. Laakso
    Gaia Observations of Asteroids: Sizes, Taxonomy, Shapes and Spin Properties   231
    A. Cellino, M. Delbò, A. Dell'Oro, V. Zappalà
    Near Earth Objects   239
    E. Høg, F. Mignard
    Impact of Gaia on Dynamics and Evolution of the Solar System   243
    P. Tanga
    Detection and Characterization of Extra-Solar Planets with Gaia   251
    M.G. Lattanzi, S. Casertano, S. Jancart, R. Morbidelli, D. Pourbaix, R. Pannunzio, A. Sozzetti, A. Spagna
    Session 3: Oral Contributions
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    Relativistic Astrometry: the RAMOD Project   259
    B. Bucciarelli, M.T. Crosta, F. de Felice, M.G. Lattanzi, A. Vecchiato
    Can the Perturbation of a Stellar Motion in a Triple System Mimic a Planet?   263
    J. Schneider
    The Study of Stars with Planets   267
    G. Cayrel de Strobel
    Session 3: Posters
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    Probabilistic Representation of the Gaia Extragalactic Reference Frame   271
    A.H. Andrei, A. Fienga, M. Assafin, J.L. Penna, D.N. da Silva Neto, R. Vieira Martins, P. Soares Musumeci
    Astrometric Representation of the Gaia Extragalactic Reference Frame from Ground Observations   275
    A.H. Andrei, A. Fienga, M. Assafin, J.L. Penna, D.N. da Silva Neto, R. Vieira Martins
    Observations of the Satellites of Jupiter and Saturn   279
    J.-E. Arlot, V. Lainey
    GAREX: a Relativity Experiment with Gaia   281
    M.T. Crosta, F. Mignard
    Connection Between the ICRF and the Dynamical Reference Frame for the Outer Planets   285
    D.N. da Silva Neto, M. Assafin, A.H. Andrei, R. Vieira Martins
    Asteroid Sizes from Gaia Observations   289
    A. Dell'Oro, A. Cellino
    IMCCE Planetary Ephemerides: Present and Future   293
    A. Fienga, J. Laskar, J.L. Simon, H. Manche, M. Gastineau
    Determination of the PPN beta and Solar quadrupole from Asteroid Astrometry   297
    D. Hestroffer, J. Berthier
    Physical Models and Refined Orbits for Asteroids from Gaia Photometry and Astrometry   301
    M. Kaasalainen, D. Hestroffer, P. Tanga
    Refining the Relativistic Model for Gaia: Cosmological Effects in the BCRS   305
    S.A. Klioner, M.H. Soffel
    A Keck/HIRES Doppler Search for Planets Orbiting Metal-Poor Dwarfs   309
    A. Sozzetti, D.W. Latham, G. Torres, R.P. Stefanik, A.P. Boss, B.W. Carney, J.B. Laird
    Observing the Natural Satellites of Solar System Bodies with Gaia   313
    P. Tanga, F. Mignard
    A Ground-Based Network of Observers for a Gaia Follow-Up   317
    W. Thuillot
    Statistical Inversion of Gaia Photometry for Asteroid Spins and Shapes   321
    J. Torppa, K. Muinonen
    Asteroid Orbits with Gaia: Simulated Examples   325
    J. Virtanen, K. Muinonen, F. Mignard
    Gaia-Assisted On-Board Detection of Moving Objects   329
    S. Wolff

    Session 4: Technical Issues, Data Simulation, Reduction and Processing
    Chair: Carla Cacciari
    Session 4: Invited Contributions
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    The Gaia On-Board Scientific Data Handling   335
    F. Arenou, C. Babusiaux, F. Chéreau, S. Mignot
    Gaia Astrometric CCDs and Focal Plane   343
    A.D. Short
    Radial Velocity Spectrometer: Technical Issues   351
    M. Cropper, D. Katz, A. Holland, R. Bingham, B. Hancock, D. Walton
    Modelling the Instruments and Simulating the Data Stream   357
    X. Luri, C. Babusiaux, E. Masana
    Design and Overview of the Data Processing   361
    J. Torra, F. Figueras, C. Jordi, X. Luri, E. Masana, C. Fabricius
    Data Processing: Testing of Core Tasks   369
    F. Figueras, B. López Martí, C. Fabricius, J. Torra, C. Jordi, P. Llimona, E. Masana, X. Luri
    Gaia Photometric Data Analysis   377
    A.G.A. Brown
    A Prototype for Science Alerts   385
    N. Wyn Evans, V. Belokurov
    Object Classification and the Determination of Stellar Parameters   393
    C.A.L. Bailer-Jones
    Session 4: Oral Contributions
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    Applying Grid Technology to Gaia Data Processing   401
    S.G. Ansari, Y. Balague-Jordan, X. Luri, M. ter Linden
    Gaia First Look   405
    S. Jordan, U. Bastian, H. Lenhardt, H.-H. Bernstein, S. Hirte, M. Biermann
    Session 4: Posters
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    The Astrometric Model Implementation. Simulations and Data Reduction Compatibility Test   413
    G. Anglada-Escudé, J. Torra, E. Masana, X. Luri
    The Gaia Instrument and Basic Image Simulator   417
    C. Babusiaux
    Design of the Gaia Photometric Systems for Stellar Parametrization using a Population-Based Optimizer   421
    C.A.L. Bailer-Jones
    Simulation of the Clock Framework of Gaia   425
    J. Castañeda, J.P. Gordo, J. Portell, E. García-Berro, X. Luri
    The Windows Design and the Restoration of Object Environments   429
    C. Dollet, A. Bijaoui, F. Mignard
    The Gaia Focal Plane to Sky Mapping: A Sample of Calibration Issues   433
    M. Gai, D. Busonero, D. Gardiol, D. Loreggia
    Gaia Optical Aberrations Described by Means of Orthogonal Polynomials   437
    D. Gardiol, D. Bonino, D. Loreggia
    Automatic Parametrization of Gaia Astrometrically Unresolved Binary Stars   441
    T.A. Kaempf, P.G. Willemsen, C.A.L. Bailer-Jones
    Gaia Telemetry Rate Simulations: A First Look at the Complete Picture   445
    U. Lammers
    CHORIZOS: a Complete Photometric Chi-squared Code   449
    J. Maíz Apellániz
    Minimum Distance Method of Classification Applied to Gaia Simulated Photometric Data   453
    V. Malyuto
    The Gaia System Simulator   457
    E. Masana, X. Luri, G. Anglada-Escudé, P. Llimona
    Observing Faint Binaries with Gaia   461
    P. Nurmi
    Galaxy Simulations of Visual Binary Stars   463
    P. Nurmi
    A Bayesian Classification Algorithm for Gaia   467
    S. Picaud, A.C. Robin, U. Bastian
    The Payload Data Handling and Telemetry Systems of Gaia   471
    J. Portell, X. Luri, E. García-Berro, E.M. Geijo
    Design of a Basic Angle Monitoring System in Silicon Carbide   475
    A.A. van Veggel, P.C.J.N. Rosielle, H. Nijmeijer, A.A. Wielders, H.J.P. Vink
    Automated Identification of Unresolved Binaries using Medium Band Photometry   479
    P.G. Willemsen, T.A. Kaempf, C.A.L. Bailer-Jones, K.S. de Boer
    The JASMINE Simulator   483
    Y. Yamada, The JASMINE Working Group
    Optical System for JASMINE and CCD Centroiding Experiment   487
    T. Yano, N. Gouda, Y. Kobayashi, T. Tsujimoto, T. Nakajima, et al.

    Session 5: Stars: laboratories and tracers
    Chair: Poul Erik Nissen

    Session 5: Invited Contributions
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    Stellar Interiors and Atmospheres in the Framework of the Gaia Mission   493
    Y. Lebreton
    Gaia Stellar Chemical Abundances and Galactic Archaeology   501
    A. Recio-Blanco, F. Thévenin
    Duplicity and Masses   507
    D. Pourbaix
    Variability Analysis: Detection and Classification   513
    L. Eyer
    Metallicity and Age of Disc Stars   521
    M. Haywood
    The RAVE Spectroscopic Survey: Results From the First 44,000 Observed Stars   529
    U. Munari, T. Zwitter, A. Siebert
    Session 5: Oral Contributions
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    Determination of Stellar Rotation with Gaia and Effects of Spectral Mismatch   537
    A. Gomboc, D. Katz
    Emission Line Stars in the Framework of Gaia   543
    I. Kolka, T. Eenmäe, A. Hirv, T. Tuvikene, M. Kama
    Towards Accurate Stellar Photometry: the Role of C, N, O and Alpha-Process Elements   549
    G. Tautvaisiene, B. Edvardsson
    Session 5: Posters
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    Gaia Data Reduction Tasks for Double and Multiple Stars   557
    F. Arenou, S. Söderhjelm
    Study of B and Be Stars by Gaia   561
    D. Briot, N. Robichon
    A PHOENIX Model Atmosphere Grid for Gaia   565
    I. Brott, P.H. Hauschildt
    Predicted Properties of Eclipsing Binaries Observable by Gaia   569
    J. Dischler, S. Söderhjelm
    Weighing Stellar-Mass Black Holes with Gaia   573
    B. Fuchs, U. Bastian
    Astrometric Binaries with a Variable Component   575
    J.L. Halbwachs, D. Pourbaix
    Orbit Determination for Gaia Spectroscopic Binaries   579
    S. Jancart, D. Pourbaix
    Hipparcos Astrometric Binaries in the Ninth Catalogue of Spectroscopic Binary Orbits: A Testbench for the Detection of Astrometric Binaries with Gaia   583
    S. Jancart, A. Jorissen, D. Pourbaix
    Modelling Spectra of Fast-Rotating Stars: Beyond Spherical Approximation   587
    U. Jauregi, A. Gomboc, T. Zwitter
    Theoretical Modelling of Late-Type Giant Atmospheres: Preparing for Gaia   591
    A. Kucinskas, I. Brott, P.H. Hauschildt, H.-G. Ludwig, L. Lindegren, T. Tanabé, V. Vansevicius
    alpha-Enhancement in Thin and Thick Disc Stars: An Atlas of Synthetic Spectra   595
    M.L. Malagnini, M. Franchini, C. Morossi, P. Di Marcantonio
    Gaia and the Fundamental Stellar Parameters from Double-Lined Eclipsing Binaries   599
    P.M. Marrese, E.F. Milone, R. Sordo, M.D. Williams
    Variability of B and Be Stars with Gaia   603
    C. Neiner, A.-M. Hubert, Y. Frémat, M. Floquet
    Physical Parameters of Stars in Close Binaries Derived from Gaia Photometry   607
    P.G. Niarchos, V.N. Manimanis, K.D. Gazeas
    Introducing Adapted Nelder & Mead's Downhill Simplex Method to a Fully Automated Analysis of Eclipsing Binaries   611
    A. Prsa, T. Zwitter
    Automatic Derivation of Stellar Atmospheric Parameters and Chemical Abundances   615
    A. Recio-Blanco, A. Bijaoui, P. de Laverny, D. Katz, F. Thévenin
    Identifying M Supergiants with Gaia   619
    G.M. Wahlgren, M. Lundqvist, A. Kuvcinskas
    Extracting Stellar Parameters from Observed Spectra: The Role of Cross-Correlation and Minimum Distance Methods   623
    T. Zwitter, U. Munari, A. Siebert
         

    Session 6: The Galaxy and Beyond
    Chair: Catherine Césarsky
    Session 6: Invited Contributions
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    The Fundamental Building Blocks of Galaxies   629
    P. Kroupa
    Crowded Fields in the Milky Way and Beyond   637
    C. Babusiaux
    Gaia, the Oldest Stars and the Early Universe   645
    M. Spite
    Dark Matter in the Local Group   651
    M.I. Wilkinson
    Variable Stars as Standard Candles and Stellar Tracers   659
    G. Bono, M. Cignoni
    Quasars with Gaia: Identification and Astrophysical Parameters   667
    J.-F. Claeskens, A. Smette, J. Surdej

    Session 6: Oral Contributions
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    Correcting Systematic Errors in the Determination of Proper Motions in the Galaxy   675
    J. Kovalevsky
    Globular Cluster Kinematics with Gaia   681
    H. Baumgardt, P. Kroupa
    Session 6: Posters
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    VLBI Survey of Weak Extragalactic Radio Sources as a Potential Link Between the Radio and Optical Reference Frames   683
    S. Frey
    Star Formation and Chemical Evolution of M31   687
    J.L. Hou, L. Chen, R.X. Chang
    The Physics Behind the Non-Linearity of the Cepheid Period-Luminosity Relation   691
    S. Kanbur, C. Ngeow
     
    Beyond the Galaxy with Gaia: Evolutionary Histories of Galaxies in the Local Group   695
    A. Kucinskas, L. Lindegren, V. Vansevicius
    Cool Carbon Stars in the Galactic Halo   699
    N. Mauron, T. Kendall
    Cepheid Period-Luminosity Relations: Galactic vs. LMC and the Results from t-Test   703
    C. Ngeow, S. Kanbur
    Classical Cepheids and RR Lyrae Stars as Standard Candles   707
    A.S. Rastorguev, A.K. Dambis, M.V. Zabolotskikh
    Kinematic Survey of Halo Stars from SDSS-DR2 with GSC2   711
    P. Re Fiorentin, A. Spagna, A. Helmi, M.G. Lattanzi
    Substructure and Tidal Debris in Local Galaxies: Models and Observations   715
    J.E. Taylor
    Statistical Methods for Calibrating Trigonometric Parallaxes   719
    T. Tsujimoto, Y. Yamada, N. Gouda
    The Classification of Cepheids by Pulsation Modes and the Problem of the Distance scale   723
    M.V. Zabolotskikh, M.E. Sachkov, L.N. Berdnikov, A.S. Rastorguev, I.E. Egorov

    Concluding Remarks
    Gaia and Astrophysics in 2015-2020   729
    P.T. de Zeeuw