New Problems in Astrometry

Front Matter....Pages I-XII
New Impetus to Astrometry....Pages 1-4
Front Matter....Pages 5-5
Report on IAU Colloquium No. 20, ‘Meridian Astronomy’....Pages 7-21
Plans for the Improvement and Extension of the FK4....Pages 23-30
Observations Relevant to the Improvement of the Fundamental System....Pages 31-32
Report on the Compilation of the PFKSZ-2 Catalogue....Pages 33-34
On the Improvement of the α δ System of the FK4 Catalogue....Pages 35-35
Absolute Determination of Right Ascensions of Stars at High Geographical Latitude during the Polar Night....Pages 37-38
On Stars with the Most Favourable Background in Observational History....Pages 39-40
Southern Reference Star Program: Progress Report....Pages 41-41
Investigation of Magnitude Effect in the AGK3R Catalogue....Pages 43-55
Mouvements Propres des Etoiles de Repere du Catalogue Photographique....Pages 57-57
Back Matter....Pages 59-59
Front Matter....Pages 61-61
Observations in Chile and Results Related to Southern Hemisphere Systems....Pages 63-72
Preliminary Results of Relative Declination Observations Made with the Repsold Meridian Circle at Cerro Calán....Pages 73-78
Observations by the Hamburg SRS-Expedition to Perth....Pages 79-84
On Progress and Methods of Reduction of the Melbourne Observations of Fundamental Stars....Pages 85-85
Contribution des Astrolabes a la Determination du Systeme de Reference Dans L’Hemisphere Sud....Pages 87-90
Some Urgent Programmes of Meridian Observations Especially for the Southern Hemisphere....Pages 91-94
Report on the Cape Participation in the Southern Reference Star Project....Pages 95-95
Report on the Cape Photographic Survey....Pages 97-97
Potentialities of Yale Astrometric Materials....Pages 99-103
Back Matter....Pages 147-147
Front Matter....Pages 61-61
Thoughts on the Future of Photographic Catalogues....Pages 105-108
Back Matter....Pages 147-147
Front Matter....Pages 109-109
Radio Astrometry Using Connected-Element Interferometers....Pages 111-117
Positions of Extragalactic Radio Sources from Very Long Baseline Interferometry....Pages 119-124
Position Solution of Compact Radio Sources Using Long Coherence VLBI....Pages 125-129
Accuracy Estimation of Astronomical Constants from Long Baseline Interferometer Observations....Pages 131-131
Radio and Optical Astrometry....Pages 133-139
The Texas Radio Astrometric Survey....Pages 141-141
Absolute Positions of Radio Sources Obtained with the Nrao Interferometer....Pages 143-143
Determination of an Extragalactic Radio Source Position Catalogue Suitable for Use in Monitoring Geophysical Phenomena....Pages 145-145
Back Matter....Pages 183-183
Front Matter....Pages 149-149
Proper Motion and Parallax Programmes for Large Telescopes....Pages 151-158
The U.S. Naval Observatory Parallax Program....Pages 159-166
Report on the Herstmonceux I.N.T. Parallax Programme....Pages 167-167
The Palomar Proper Motion Survey....Pages 169-173
Accurate Optical Positions Using the Palomar Sky Atlas....Pages 175-179
Reduction of Schmidt Photographs with the Aid of Reference Marks on the Curved Plate....Pages 181-181
Front Matter....Pages 185-185
Remarks on the Definition and Determination of Proper Motions....Pages 187-191
Proper Motions with Respect to Galaxies....Pages 193-200
Report on the Yale-Columbia Southern Proper Motion Program....Pages 201-203
Comparison of Secular Parallaxes Determined from Proper Motions of Stars Relative to Galaxies at the Pulkovo and Lick Observatories....Pages 205-206
The Errors of Absolute Photographic Proper Motions of Stars Relative to Galaxies....Pages 207-208
Front Matter....Pages 185-185
On the Project of a New Fourfold Coverage of the Northern Hemisphere....Pages 209-215
Stellar Kinematics and Galactic Research Involving Proper Motions....Pages 217-220
Progress Report on the Herstmonceux Progamme of Measurement of Proper Motions in the Northern Selected Areas....Pages 221-225
Proper Motions of OB Stars in Both Hemispheres....Pages 227-227
Estimation de la Precision des Mouvements Propres Donnes dans un Catalogue D’Etoiles a L’Aide des Observations Visuelles de Couples Stellaires Optiques....Pages 229-232
Front Matter....Pages 233-233
The Present State and Future of the Astronomical Refraction Investigations....Pages 235-236
Environmental Systematics and Astronomical Refraction, I....Pages 237-237
Les Effets de la Refraction Atmospherique sur les Coordonnees Tangentielles en Astrometrie....Pages 239-239
Front Matter....Pages 241-241
Modern Developments of the Meridian Circle....Pages 243-255
Instrumental Parameters of the U.S. Naval Observatory’s Automatic Transit Circle (ATC)....Pages 257-259
The Results of Investigations of the Pulkovo Horizontal Meridian Circle (HMC)....Pages 261-262
Projet de Centre de Recherches Astrometriques et Geodynamiques en France....Pages 263-267
Que Pourra-T-on Deduire des Mesures de Distance Terre-Lune par Laser?....Pages 269-274
Sur la Mesure des Distances par Telemetrie Laser....Pages 275-275
Prospects of Space Astrometry....Pages 277-282
Astrometry with the Large Space Telescope....Pages 283-293
Upgrading of the Lick-Gaertner Automatic Measuring System....Pages 295-298
The Cosmos Plate Measuring Machine....Pages 299-300
A New High Speed Measuring Machine for Astrometric Plates....Pages 301-301
The Influence of the Reduction Model on the Systematic Accuracy of Adjusted Parameters....Pages 303-303
Front Matter....Pages 241-241
Star Positions from Overlapping Plates in the Cape Zone −40° to −52°....Pages 305-306
A General Computer Program for the Application of the Rigorous Block-Adjustment Solution in Photographic Astrometry....Pages 307-308
La Reduction des Cliches Astrographiques de Champ Quelconque....Pages 309-309
The Yerkes Observatory Photoelectric Parallax Scanner....Pages 311-315
On Inconsistencies Found in Long-Term Parallax Series....Pages 317-317
Precise Reduction to the Apparent Places of Stars....Pages 319-319
Front Matter....Pages 321-321
General Discussion....Pages 323-324
Summary and Conclusions....Pages 325-333
Back Matter....Pages 335-335