List of Figures | p. xiii |
List of Tables | p. xix |
Acronyms | p. xxiii |
Preface | p. xxvii |
Introduction | p. xxix |
Introduction to the Hipparcos mission | |
The Hipparcos Mission | p. 3 |
Overture | p. 3 |
The mission | p. 17 |
The published data | p. 25 |
Concepts of the new reduction | p. 31 |
Hipparcos Astrometry | p. 39 |
From positions and velocities to astrometric data | p. 39 |
The Hipparcos astrometric data | p. 46 |
Reconstruction of the along-scan rotation phase | p. 56 |
Grid distortions | p. 58 |
Astrometric-parameter solutions | p. 63 |
Exploring the Hipparcos Astrometric Data | |
Individual, Single Stars | p. 73 |
Precisions and accuracies | p. 73 |
Correlations | p. 80 |
Parallaxes | p. 85 |
Proper motions | p. 95 |
Disturbed solutions | p. 100 |
Comparison with the ICRS | p. 109 |
The Astrometric Data for Composite Images and Orbital Binaries | p. 113 |
The modulated signal for small-separation double stars | p. 114 |
Astrometric parameters for double stars | p. 126 |
Double stars with two catalogue entries | p. 131 |
Variable-brightness of one component | p. 132 |
Multiple systems | p. 135 |
Orbital motions | p. 137 |
Groups of Single Stars | p. 143 |
Solving for common parameters | p. 143 |
Application to star clusters | p. 145 |
Calibrating luminosities | p. 163 |
Conclusions | p. 176 |
Kinematics of the Solar Neighbourhood | p. 177 |
Systematic motions | p. 177 |
The distribution of nearby stars | p. 186 |
A Description of the Contents and Peculiarities of the Hipparcos Photometric Data | |
The Photometric Data | p. 199 |
The Hipparcos photometric pass bands | p. 199 |
Formal errors and variability indicators | p. 204 |
Variability analysis | p. 208 |
Newly discovered variables | p. 214 |
Hipparcos Attitude Modelling | |
A Free-Floating Rigid Body in Space | p. 219 |
Dynamics of a rigid body in space | p. 219 |
The internal torques and inertia tensor | p. 223 |
External torques acting on the satellite | p. 226 |
Non-rigidity | p. 236 |
The Torques on Hipparcos as Observed Over the Mission | p. 239 |
Relation between attitude and torque reconstruction | p. 239 |
Solar radiation torques | p. 241 |
Magnetic torques and the remaining torque variations | p. 249 |
Predictability of the environmental torques | p. 251 |
Fully-Dynamic Attitude Fitting | p. 255 |
Outline of the method | p. 255 |
The integration engines | p. 257 |
Implementing the gyro data | p. 260 |
Implementing the star mapper data | p. 263 |
Implementing the IDT transit data | p. 269 |
Conclusions | p. 282 |
Summary of Selected Spacecraft and Payload Calibration Results | |
The Mission Timeline | p. 287 |
Trend analysis and anomalies | p. 287 |
Data coverage and detector response | p. 298 |
Payload Calibrations | p. 299 |
The optical transfer function | p. 301 |
Large-scale geometric-distortion calibration | p. 304 |
Photometric calibrations | p. 311 |
Spacecraft-Parameter Calibrations | p. 329 |
The on-board clock | p. 329 |
Gyro characteristics | p. 335 |
Thruster firings and the Centre of Gravity | p. 340 |
The Next Generation | |
GAIA | p. 349 |
Introduction | p. 349 |
The spacecraft and payload | p. 349 |
The mission plan | p. 352 |
The astrometric data reduction | p. 354 |
The photometric data reduction | p. 355 |
The spectroscopic data reduction | p. 360 |
Data-analysis challenges | p. 363 |
Organization of the data processing and analysis | p. 365 |
Appendices | p. 369 |
Transformations for heliotropic and Tait-Bryant angles | p. 369 |
Spline functions | p. 373 |
Linear Least Squares and Householder Orthogonal Transformations | p. 377 |
Chain solutions, running solutions, and common parameters | p. 381 |
Orbit parameters for binary stars | p. 385 |
Reference orbital parameters | p. 393 |
The data disk | p. 403 |
The colour figures | p. 403 |
The science data | p. 406 |
Payload calibration data | p. 410 |
Spacecraft calibration data | p. 416 |
Bibliography | p. 419 |
Subject index | p. 439 |
Object index | p. 443 |
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