The nature of compact objects in active galactic nuclei: proceedings of the 33rd Herstmonceux conference, held in Cambridge, July 6-22 i.e. 16-22 , 1992

Contents......Page 8
Index of Participants......Page 16
Preface......Page 20
I Evidence and Implications of Anisotropy in AGN......Page 24
Any Evidence against Unified Schemes?......Page 34
Spectropolarimetry of Cygnus A......Page 45
Spectropolarimetry of the Ultraluminous Infrared Galaxy IRAS 110548-1131......Page 49
Are there Dusty Tori in Seyfert 2 Galaxies?......Page 52
Imaging Spectrophotometry of Ext ended-Emission Seyfert Galaxies......Page 57
Spectroscopy of the Extended Emission Line Regions in NGC 4388......Page 61
Evidence and Implications of Anisotropy in Seyfert Galaxies......Page 65
Collimated Radiation in NGC 4151......Page 67
A Dust Ring around the Nucleus of NGC4151......Page 69
Evolution of Narrow Line Clouds......Page 72
Star Formation in NGC5953......Page 74
Stellar Activity in the Seyfert Nucleus of NGC 1808......Page 76
Direct Evidence for Anisotropy: Radio Maps and their Relation to Optical Morphology......Page 79
The Radio-Optical Connection in AGN......Page 87
Knots in Extragalactic Radio Jets......Page 95
Radio Emission and the Nature of Compact Objects in AGNs......Page 99
The Radio Properties of Hidden Seyfert l's: Implications for Unified Models......Page 103
Anisotropic Optical Continuum Emission in Radio Quasars......Page 105
The UV component in distant Radio Galaxies......Page 109
A Connection between BL Lacertae Objects and Flat-Spectrum Radio Quasars?......Page 111
The Difference Between BL Lacs and QSOs......Page 115
The Evolutionary Unified Scheme and the 0 — z
Plane......Page 117
II Luminosity Functions and Continuum Energy Distributions......Page 120
Radio Luminosity Functions of Active Galaxies......Page 122
The Quasar Luminosity Function......Page 131
UK ROSAT Deep & Extended Deep Surveys......Page 139
Luminosity Dependence of Optical Activity in Radio Galaxies......Page 142
Modelling the Quasar Luminosity Function in Hierarchical Models for Structure Formation......Page 144
Active Galactic Nuclei in Clusters of Galaxies......Page 146
Clustering Properties of AGNs and their Contribution to the X-ray Background......Page 150
Energy Distributions of AGN......Page 152
Absorption in the ROSAT X-ray Spectra of Quasars......Page 160
Dust in AGNs......Page 164
First Simultaneous UBVRI Photopolarimetric Observations of a Sample of Normal Quasars......Page 168
Intermediate Resolution Spectropolarimetry of Three Quasars......Page 171
Active Galactic Nuclei Which Emit Strongly at 25......Page 175
III The Broad Line Region: Variability and Structure......Page 178
Emission-Line and Continuum Variability in Active Galactic Nuclei......Page 180
Results of the LAG Monitoring Campaign......Page 188
A Relation between the Profiles and Intensities of Broad Emission Lines......Page 197
Broad-Line Profile Variability in NGC4593......Page 201
Deconvolution of Variable Seyfert 1 Profiles......Page 205
Ultraviolet Variability of AGN......Page 209
Broad-Line Variations in NGC5548......Page 213
NGC4593: A Low Luminosity Compact Seyfert 1 Nucleus......Page 215
UV Continuum Origin and BLR Structure in F-9......Page 218
UV Emission Line Intensities and Variability: A Self-Consistent Model for Broad-Line-Emitting Gas in NGC 3783......Page 220
Non-linear Anisotropic BLR Models......Page 224
Anisotropic Line Emission from Extended BLR's......Page 228
Active Galactic Nuclei and Nuclear Starbursts......Page 230
Rapidly Evolving Compact SNRs and the Nature of the Lag in AGNs......Page 236
Supernova Explosions in QSO's? II.......Page 239
High Metallicities in QSOs......Page 241
The Chemical Evolution of QSOs......Page 248
Nonlinearity of Lya Response in Variable AGNs......Page 252
Implications of Broad Line Profile Diversity among AGN......Page 256
Emission Line Studies of AGN......Page 265
A Search for Velocity Shifts in QSO Broad Lines......Page 269
The Broad Line Region Structure from Profile Shapes......Page 272
IV X-rays and Accretion Disks......Page 276
X-ray Variability in AGN......Page 278
Thermal Reprocessing of X-Rays in NGC 5548......Page 286
New Ginga Observations and Model of NGC 6814 Periodicity......Page 291
Power Spectrum Fits to EXOSAT Long Looks......Page 295
The Dramatic X-ray Spectral Variability of Mkn 841......Page 299
Thermal and Non-Thermal Emission from Accretion Discs......Page 301
Ultra-soft X-ray Emission in AGN......Page 312
Highly Ionized Gas in Seyfert Galaxies......Page 316
EUV Observations of Seyfert 1 Galaxies and Quasars......Page 320
0.1-20 keV Spectra of 3C273 and E1821+643......Page 323
Iron Lines from Ionized Discs......Page 325
Reflection Effects in Realistic Accretion Discs......Page 327
X-ray Polarization Properties in the Two-Phase Model for AGN......Page 329
X-Ray Reprocessing and UV Continuum in NGC4151......Page 331
Dense Clouds near the Centres of Active Galactic Nuclei......Page 333
Accretion Discs in the AGN Context: Hints Toward Non -Standard Discs?......Page 335
Accretion Disk Instabilities......Page 344
Compton-Heated Winds from Accretion Disks......Page 353
Determination of a Transonic Solution in a Stationary Accretion Disc......Page 357
Black Holes and Accretion Disks......Page 361
Testing the "disc X-ray reprocessing" in UV-optical continuum and line emission in NGC 5548......Page 366
AGN Accretion Discs in Realistic Potentials......Page 369
Test of the Accretion Disc Model and Orientation Indicator......Page 371
Orientation Effects in QSO Spectra......Page 375
The Luminosity-Colour Distribution of Quasar Accretion Disks......Page 377
V Beams, Jets and Blazars......Page 380
Magnetic Propulsion of Jets in AGNs......Page 382
MHD accretion-ejection model: Xand 7-rays and formation of relativistic pair beams......Page 389
Relativistic Electron-Positron Beams in AGN: Construction of Transonic Solutions......Page 393
Properties of Relativistic Jets......Page 395
A Massive Binary Black Hole in 1928+738?......Page 398
Gamma-rays from Blazars: a comparison of 3C279, PKS 0537-441 and Mrk421......Page 402
Microquasars in the Galactic Centre Region......Page 406
A Comparison of the Ultraviolet Continuum Variability Properties of Blazars and Seyfert Is......Page 410
Simultaneous Optical and IR Monitoring of the Seyfert Nucleus NGC 7469......Page 414
Broad-band Spectra and Polarization Properties of Variable Flat-Spectrum Radio Sources......Page 418
The Radio to Optical Variability of the BL Lac Object ON 231......Page 425
January 1992 Microvariability Campaign on OJ287......Page 427
Blazar Micro variability: A Case Study of AO 0235+164......Page 429
The Timescales of the Optical Variability of the BL Lacertae Galaxy PKS 2201+044......Page 431
Dynamics of Quasar Variability......Page 433
The Variability of a Large Sample of Quasars......Page 437
The Fate of Central Black Holes in Merging Galaxies......Page 441
Polarimetric Searching for Goldstone Bosons from AGNS......Page 443
Unification of AGNs, and the Starburst Hypothesis......Page 448