Astrophysical Applications of Gravitational Lensing: Proceedings of the 173rd Symposium of the International Astronomical Union, Held in Melbourne, Australia, 9–14 JULY, 1995

Front Matter....Pages i-xvi
Lensing Limits on the Cosmological Constant....Pages 1-6
A Technical Memorandum on Core Radii in Lens Statistics....Pages 7-12
Gravitational Lenses among Highly Luminous Quasars: Large Optical Surveys....Pages 13-20
Predicted Lens Redshifts and Magnitudes....Pages 21-22
Vacuum Decaying Cosmological Models and Gravitational Lensing....Pages 23-24
Note on a Super-Horizon-Scale Inhomogeneous Cosmological Model....Pages 25-26
The Hubble Constant: Present Status....Pages 27-36
Radio Measurement of the Time Delay in 0218+357....Pages 37-42
The VLA Light Curves of 0957+561, 1979–1994....Pages 43-44
Why is the “Time Delay Controversy in Q0957+561 not yet Decided”?....Pages 45-48
Gravitational Lensing of Quasar 0957+561 and the Determination of H 0 ....Pages 49-50
The Q0957+561 Time Delay....Pages 51-52
Photometric Monitoring of the Lensed QSO 0957+561....Pages 53-54
Structure Formation: Models, Dynamics and Status....Pages 55-64
Testing Cosmogonic Models with Gravitational Lensing....Pages 65-70
Wide Separation Lenses....Pages 71-72
Statistics of Quasar Lensing Caused by Clusters of Galaxies....Pages 73-74
Weak Lensing and the Sloan Digital Sky Survey....Pages 75-80
A 71 Megapixel Mosaic Camera for Weak Lensing at APO....Pages 81-82
Association of Distant Radio Sources and Foreground Galaxies....Pages 83-88
Light Propagation in a Clumpy Universe....Pages 89-90
Effects of Large-Scale Structure upon the Determination of H o from Time Delays....Pages 91-92
Exponential Growth of Distance Between Nearby Rays due to Multiple Gravitational Lensing....Pages 93-94
Effect of Multiple Gravitational Lensing on the Anisotropy of the Cosmic Background Radiation....Pages 95-96
Influence of Gravitational Lensing on Estimates of Ω in Neutral Hydrogen....Pages 97-98
Gravitational Lenses and Damped Ly-α Systems....Pages 99-100
The Gravitational Lens Candidate HE 1104–1805 and the Size of Absorption Systems....Pages 101-102
A Common High-Column Density Ly-α Line in the Spectra of Q 1429–008 A & B....Pages 103-104
The Clustering Evidence of Lyman α Forest....Pages 105-106
Mapping Dark Matter Near Galaxy Clusters....Pages 107-112
The Cores of Cluster Lenses....Pages 113-118
HST Observations of Giant Arcs....Pages 119-124
A Luminous Arc in a Z=0.042 Cluster of Galaxies....Pages 125-126
Weak Lensing by the Cluster MS0302+1658....Pages 127-128
Reconstruction of Cluster Mass Distributions: Application and Results for CL0939+4713....Pages 129-130
The Mass Distribution in Clusters of Galaxies from Weak and Strong Lensing....Pages 131-136
The Reconstruction of Cluster Mass Profiles from Image Distortions....Pages 137-142
Redshifts of Faint Blue Galaxies from Gravitational Lensing....Pages 143-148
Gravitational Magnification and Cluster Masses....Pages 149-150
Optimized Cluster Reconstruction....Pages 151-152
Beltrami Equation and Cluster Lensing....Pages 153-154
Effect of Sub-Structure in Clusters on the Local Weak-Shear Field....Pages 155-156
A Multi-Wavelength Analysis of the Matter Distribution in Clusters of Galaxies....Pages 157-162
The Velocity Dispersion and Dispersion Profile of Abell 963....Pages 163-164
The Distribution of Dark Mass in Galaxies....Pages 165-174
The Massive Dark Corona of Our Galaxy....Pages 175-176
Gravitational Lenses and the Structure of Galaxies....Pages 177-182
Weak Lensing by Individual Galaxies....Pages 183-188
A Search For Dark Matter in the Halos of Lensing Galaxies Using VLBI....Pages 189-190
Observations and Predictions of the Ratio of 3-Image to 5-Image Systems in JVAS....Pages 191-194
MG2016+112: A Double Gravitational Lens Model....Pages 195-196
A Lens Model For B0218+357....Pages 197-198
Gravitational Microlensing, the Distance Scale, and the Ages....Pages 199-208
Searching for Dark Matter with Gravitational Microlensing: A Report from the Macho Collaboration....Pages 209-214
First results of the DUO program....Pages 215-220
Real-Time Detection of Gravitational Microlensing....Pages 221-226
The Planet Collaboration....Pages 227-228
The Contribution of Binaries to the Observed Galactic Microlensing Events....Pages 229-230
Binary Micro-Parallax Effects....Pages 231-232
Microlensing with Binaries and Planets....Pages 233-234
Polarization During Caustic Crossing....Pages 235-236
Chromatic and Spectroscopic Signatures of Microlensing Events....Pages 237-238
A Possible Manifestation of Microlensing in Pulsar Timing....Pages 239-240
Microlensing Induced Spectral Variability in Q2237+0305....Pages 241-246
Is IRAS F10214+4724 Gravitationally Lensed?....Pages 247-252
Microlensing in the Lensed Quasar UM 425?....Pages 253-254
The Microlensing Events in Q2237+0305A: No Case Against Small Masses/Large Sources....Pages 255-256
Far-UV Spectral Variability in UM425 & PG1115+080....Pages 257-258
Results from Five Years of Monitoring of the Einstein Cross with Not....Pages 259-260
The Clover Leaf Quasar H1413+117: New Photometric Light Curves....Pages 261-262
The Variability of PG1115+080....Pages 263-264
Superluminal Gravitational Microlensing Events in PKS 0537-441 and Prospects for Future Detection....Pages 265-266
The Q0957+561 Microlensing....Pages 267-268
Scintillations and Microlensing....Pages 269-274
Simulation of Microlensing Lightcurves by Combining Contouring and Rayshooting....Pages 275-276
Separating Intrinsic and Microlensing Variability using Parallax Measurements....Pages 277-278
Prospects for the Detection of Microlensing Time Delays....Pages 279-280
A Cusp—Counting Formula for Caustics due to Multiplane Gravitational Lensing....Pages 281-282
New Caustic Phenomena in Double-Plane Lensing....Pages 283-284
Microlensing of Large Sources Including Shear Term Effects....Pages 285-286
Gravitational Microlensing by Random Motion of Stars: Movie and Analysis of Light Curves....Pages 287-288
The Evolution of QSO Spectra....Pages 289-290
Quasar Variability from Microlensing....Pages 291-292
Foreground Galaxies and the Variability of Luminous Quasars....Pages 293-294
UV/Optical Continuum Variability in AGNS....Pages 295-296
Quasar Microlensing by Cluster Dark Matter....Pages 297-298
Observations of Lens Systems with Keck I....Pages 299-304
Milliarcsecond Structures in Gravitationally Lensed Systems....Pages 305-310
Multi-Frequency VLBI Observations of B0218+357....Pages 311-316
1608+656: A Quadruple Lens System Found in the Class Gravitational Lens Survey....Pages 317-322
New “Einstein Cross” Gravitational Lens Candidates in HST WFPC2 Survey Images....Pages 323-328
Identifying Optical Einstein Rings....Pages 329-334
New Optical and Merlin Images of the Quadruple Gravitational Lens B1422+231....Pages 335-336
J03.13 A & B: A New Multiply Imaged QSO Candidate....Pages 337-338
EVN-MERLIN Observations of the Remarkable Lens System: 2016+112....Pages 339-340
Multi-Epoch, Dual-Frequency VLBI Observations of PKS 1830–211 From Japan....Pages 341-342
Optical Imaging of B1422+231 — Prospects for Determining the Hubble Constant....Pages 343-344
Interstellar Scattering and the Einstein Ring PKS 1830–211....Pages 345-346
Flux Density Variations of PKS 1830–211....Pages 347-348
New Radio Observations of ‘Old Faithful’....Pages 349-350
A Gravitational Lens Candidate Behind the Fornax Dwarf Spheroidal Galaxy....Pages 351-352
Mapping the Extinction in Dusty Lenses: Optical and IR Imaging of MG J0414+0534....Pages 353-354
Gravitational Telescopes....Pages 355-364
Pixel Lensing: The Key to the Universe....Pages 365-370
The Statistics of Nearly On-Axis Gravitational Lensing Events....Pages 371-376
Gravitational Lensing by Curved Cosmic Strings....Pages 377-378
Compact Doubles: Testing the Lensing Hypothesis....Pages 379-380
The Quasar Luminosity Function....Pages 381-386
Ground-Based and HST Direct Imaging of HLQS....Pages 387-392
The Parkes Lens Survey....Pages 393-398
A VLA/MERLIN/VLBA for Intermediate Scale Lenses and the Discovery of a New Lens System?....Pages 399-400
Preliminary VLA Snapshots of Southern Radio Sources from the Parkes-MIT-NRAO (PMN) Survey....Pages 401-402
A Radio Survey for Gravitational Lenses in the Southern Hemisphere....Pages 403-404
A VLBA 15 GHz Small Separation Gravitational Lens Survey....Pages 405-406
Prognosticating the Future of Gravitational Lenses....Pages 407-414
Back Matter....Pages 415-443