IAU Colloquium 191
The Environment and Evolution of Double and Multiple Stars

Mérida, Yucatán, February 3-7, 2003

Editors: Christine Allen & Colin Scarfe

Volumen 21

Agosto 2004

• Observational properties and Statistics of Binary Stars in the Field
• Nomenclature of Multiple-Star Systems
• Observational Results for Very Young Binaries
• Theoretical Approaches to Multiple Stars and Their Formation
• Astrophysical Processes of Multiple Stars in Clusters
• Companions of Very Low Mass
• Instruments, Techniques and Programs, Present and Future
• Summary

Table of Contents

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Preface
C. Allen & C. Scarfe
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Group Photograph

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List of Participants

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Dedication to Arcadio Poveda
H. A. Abt
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Observational properties and Statistics of Binary Stars in the Field

Statistics of multiple stars
A. Tokovinin
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Spin Correlation In Binary Systems
N. Farbiash & R. Steinitz
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Statistical properties of solar-type close binaries
J.-L. Halbwachs, M. Mayor, S. Udry, & F. Arenou
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Statistical properties of an unbiased sample of F7-K binaries: towards the long-period systems
A. Eggenberger, J.-L. Halbwachs, S. Udry, & M. Mayor
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Binary statistics among population II stars
H. Zinnecker, R. Köhler, & H. Jahreiß
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The Mass Distribution of Secondaries to Solar-Type Stars
H. A. Abt & D. W. Willmarth
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Observations of the Triple Star Eta Virginis with a
Long Baseline Optical Interferometer
C. A. Hummel
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Increased Multiplicity of 77 Cygni, V815 Herculis, and HD 140122
F. C. Fekel
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The distribution of separations of wide binaries of different ages
A. Poveda & C. Allen
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Are Binary Separations related to their System Mass?
M. F. Sterzik & R. H. Durisen
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The Spectroscopic Orbit of $\phi$ Cygni, a System with Two Late-Type Giants
F. C. Fekel
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Volume-limited Spectroscopic Binary Statistics
J. Fisher, K.-P. Schröder, & R. C. Smith
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Multiple stars with both inner and outer orbits observed spectroscopically
R. F. Griffin
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Observations of HIPPARCOS Double Stars with the WIYNTelescope
E. P. Horch, W. F. van Altena, R. D. Meyer, & M. MacKnight
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Spectroscopic Binaries among a Complete Sample of Hipparcos M Giants
A. Jorissen, B. Famaey, M. Dedecker, D. Pourbaix, M. Mayor, & S. Udry
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Photometry of the $\delta$ Scuti star DG Leo:
Preliminary results
P. Lampens, R. Garrido, L. Parrao, J. H. Peña, T. Arentoft, & Y. Frémat
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Infrared differential photometry of selected orbital binaries
P. Lampens, J.-L. Prieur, & R. Argyle
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The Distribution of separations of DMSA Hipparcos Catalogue
J. F. Ling, P. Magdalena, & C. Prieto
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The Double-Lined Spectroscopic Binary HR 6046
C. D. Scarfe, R. F. Griffin, & R. E. M. Griffin
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Nomenclature of Multiple-Star Systems

Addressing confusion in double star nomenclature:
The Washington Multiplicity Catalog
W. I. Hartkopf & B. D. Mason
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Observational Results for Very Young Binaries

Orbital Motions in Binary Protostellar Systems
L. F. Rodríguez
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VLA Observations of Disks and Jets in Young Close Binaries
G. Anglada
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What causes the Low Binary Frequency in the Orion Nebula Cluster?
R. Köhler
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Modeling Eclipsing Binaries in Globular Clusters
E. F. Milone, J. Kallrath, C. R. Stagg, & M. D. Williams
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Photometry of eclipsing binary stars in the Large and Small Magellanic Clouds
G. P. Bayne, W. Tobin, J. D. Pritchard, I. Bond, K. R. Pollard, S. C. Besier, S. Noda, T. Sumi, T. Yanagisawa, M. Sekiguchi, M. Honda, Y. Muraki, M. Takeuti, J. B. Hearnshaw, P. M. Kilmartin, R. J. Dodd, D. J. Sullivan, & P. C. M. Yock
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Young Stars far from the Galactic Plane: Runaways from Clusters
C. Allen & T. D. Kinman
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High-mass X-ray binaries and OB runaway stars
L. Kaper, A. Van der Meer, & A. H. Tijani
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Fe II fluorescence in symbiotic stars
M. Eriksson, H. Veenhuizen, G. M. Wahlgren, & S. Johansson
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VLA Observations of Orbital Motions in YLW 15
S. Curiel, J. M. Girart, L. F. Rodríguez, & J. Cantó
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The Primordial Binary Population in OB Associations
M. B. N. Kouwenhoven, A. G. A. Brown, A. Gualandris, L. Kaper, S. F. Portegies Zwart, & H. Zinnecker
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Spectroscopic binaries in southern open clusters
H. Levato, J. F. Gonzalez, S. Malaroda, & M. Grosso
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Molecular gas kinematics and high-mass star formation in the spiral arms of the Milky Way
A. Luna, L. Carrasco, L. Ortega, L. Bronfman, & O. Yam
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Theoretical Approaches to Multiple Stars and Their Formation

Three-body problem and multiple stellar systems
M. Valtonen
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The Modified Restricted Three Body Problems
I.-G. Jiang & L.-C. Yeh
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Formation and Evolution of Hierarchical Systems
S. J. Aarseth
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Accretion of Protobinary and Evolution of the Mass Ratio
T. Hanawa, Y. Ochi, & K. Sugimoto
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Binary star formation and mass outflows:
MHD nested grid simulation
M. N. Machida, K. Tomisaka, & T. Matsumoto
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Astrophysical Processes of Multiple Stars in Clusters

The formation of binary and multiple stars in clusters
M. R. Bate
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Multiple Protostars, Jets, and the Origin of Brown Dwarfs
C. Clarke, B. Reipurth, & E. Delgado-Donate
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Internal Motions of Trapezium Systems
C. Allen, A. Poveda, & A. Hernández-Alcántara
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Modelling the Dust Emission of the L1551 IRS5 Binary System
M. Osorio, P. D'Alessio, J. Muzerolle, N. Calvet, & L. Hartmann
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The Interaction of Binary Systems with Accretion Disks
M. A. Ortega Rodríguez
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Companions of Very Low Mass

Planets in multiple-star systems:properties and detections
S. Udry, A. Eggenberger, M. Mayor, T. Mazeh, & S. Zucker
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The binarity status of stars with and without planets probed with VLT/NACO
S. Udry, A. Eggenberger, J.-L. Beuzit, A.-M. Lagrange, M. Mayor, & G. Chauvin
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The Possible Belts for Extrasolar Planetary Systems
I.-G. Jiang, M. Duncan, & D. N. C. Lin
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Planets in double stars: the $\gamma$ Cephei system
R. Dvorak, E. Pilat-Lohinger, E. Bois, B. Funk, F. Freistetter, & L. Kiseleva-Eggleton
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On the Formation of Brown Dwarfs
I.-G. Jiang, G. Laughlin, & D. N. C. Lin
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Instruments, Techniques and Programs, Present and Future

GUIELOA: Adaptive Optics System for the 2.1-m SPM UNAM Telescope
S. Cuevas, A. Iriarte, L. A. Martínez, F. Garfias, L. Sánchez, O. Chapa, & R. A. Ruelas
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The Impact of Large Databases on the Knowledge of Late-type Close Binaries
C. Maceroni
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Interferometry and Lunar Occultations: Status and Prospects of Ground-based Milliarcsecond Resolution Observations
A. Richichi
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Spectroscopy, Photometry and Micro-arcsec Astrometry of Binaries with the GAIA Space Mission and with the RAVE Experiment
T. Zwitter & U. Munari
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IR Geminorum: Complex Disk Behavior During Quiescence
Z. Li, K.-C. Leung, & C. Martin Gaskell
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Observational Properties of Synthetic Visual Binary Catalog
P. Nurmi
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What can the S$\tmspace$ - $\thinmuskip$.1667em_B⁹ database do for you?
D. Pourbaix, S. Jancart, & H. M. J. Boffin
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Summary

Summary of IAU Colloquium 191: The Environment and Evolution of Binary and Multiple Stars
E. F. Guinan
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Author Index

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