Sun and Planetary System: Proceedings of the Sixth European Regional Meeting in Astronomy, Held in Dubrovnik, Yugoslavia, 19–23 October 1981

Front Matter....Pages i-xiii
Address by....Pages 1-2
Opening Address by....Pages 3-5
Address by....Pages 7-8
New Impetus to the Exploration of the Solar System (Inaugural Address)....Pages 9-11
The Solar System — Known Facts and Unsolved Problems....Pages 13-21
Front Matter....Pages 23-23
The Star “Sun”....Pages 25-34
Resultats D’Observations du Soleil a L’Astrolabe du Cerga....Pages 35-38
The Effect of Personal Equation on Measurements of the Solar Semi-Diameter by Transit Circle Observers....Pages 39-43
A Direct UBV Color Measurement of the Sun....Pages 45-46
Nuclear Astrophysics of the Sun....Pages 47-52
The Solar Neutrino Puzzle....Pages 53-58
Solar Models and Neutrino Problem....Pages 59-62
The Rotation-Magnetism-Convection Coupling in the Sun....Pages 63-70
Relationship between Photospheric and Chromospheric Ω(v,t) Deduced by Temporarily and Spatially Correlated Tracers....Pages 71-72
Line-of-Sight Velocity Field of Synodic Solar Rotation....Pages 73-76
Solar Rotation and Meridional Motions Derived from Sunspot Groups....Pages 77-78
Subphotospheric Velocity Fields Inferred by Sunspots Motions....Pages 79-80
Granulation, Supergranulation and Atmospheric Waves....Pages 81-87
A Noisy Sun ?....Pages 89-92
Spectral Analysis of Wave Motions in the Region of Temperature Minimum of the Sun’s Atmosphere....Pages 93-96
Front Matter....Pages 23-23
On the Detection of the Periodic Oscillations of the Inclination of the Frequency Spectrum of S-Component of Solar Radio Emission....Pages 97-98
Some Photospheric Characteristics of the Sun as a Star....Pages 99-100
Stark Broadening of Heavy Ion Solar Lines....Pages 101-102
The Analysis and Observation of the Neutral Spectrum of Potassium in the Solar Atmosphere....Pages 103-104
Mesoturbulence in the Solar Atmosphere....Pages 105-106
Voigt Profile for the CO Emission Lines in the Solar Sunspot Spectrum....Pages 107-108
Solar Radio Granulation at Microwaves and Its Optical Identification....Pages 109-112
A Theoretical Model of the Solar Chromosphere over a Suns Pot....Pages 113-114
Space-Born and Ground-Based Observations of a Solar Active Region and a Flare....Pages 115-118
The Beginning of Observations of Large-Scale Solar Magnetic Fields at the Sayan Observatory: Instrument, Plans, Preliminary Results....Pages 119-122
The Solar Complex of SibIZMIR: Observatories, Instruments and the Main Results of the Investigations....Pages 123-124
Motions in Sunspots Like Torsional Oscillations....Pages 125-126
Sunspots Proper Motions and Positions of H-Alpha Filaments in the Active Region of August 1979....Pages 127-128
On the Umbral Dots....Pages 129-130
Turbulent Velocity Fields in Quiescent Prominences....Pages 131-132
Determination of the Electron Density in a Quiescent Prominencè....Pages 133-134
A Polarization Investigation of Prominences....Pages 135-136
The Formation of Solar Prominences....Pages 137-138
Radiation from Surface Wave Packet and Type II Solar Radiation Emission....Pages 139-140
Magnetohydrodynamics and Thermodynamics of Coronal Loops....Pages 141-142
Front Matter....Pages 23-23
Temperature and Steady Flows in Slender Magnetic Tubes....Pages 143-144
Gravito-Magnetic Explanation of the Temperature of Stellar Coronae and of Planetary van Allen Belts....Pages 145-146
Front Matter....Pages 147-147
Astronomical and Geophysical Problems of the Earth’s Rotation....Pages 149-162
A Note on the Initial Results and Future Plans of Project Merit....Pages 163-164
Steps Towards the Determination of Earth Rotation Parameters Not Dependent on the Observation Technique....Pages 165-172
Secular and Decade Fluctuations in the Earth’s Rotation: 700 BC — AD 1978....Pages 173-178
Oceanic Tides and the Rotation of the Earth....Pages 179-184
Effects of the Non-Rigidity of the Earth Derived from Astronomical Observations....Pages 185-188
Correlation between Solar Activity and Universal Time Variations....Pages 189-190
On Investigations of Mean Latitude Variations....Pages 191-194
Closing Errors of the Belgrade Latitude Observations and Temperature Influences....Pages 195-196
Reference Systems Linkage from Space....Pages 197-198
High Precision Tracking of Geosynchronous Satellites: Oceanographic Applications....Pages 199-200
Optical Tracking of Synchronous Satellites for Geophysical Purposes....Pages 201-202
Gravimetric Geoid Determination for the Area of Greece....Pages 203-204
Coincidence of Some Magnetic and Gravity Field Characteristics....Pages 205-208
Precession and Nutation Influence on the Harmonic Coefficients of a Planetary Potential....Pages 209-212
Aerosol Stratification of the Stratosphere and Mesosphere....Pages 213-214
Interplanetary Magnetic Field and Solar Cycle Modulation of the Tropospheric Circulation over West Mediterranean....Pages 215-216
On the Evolution of Nearly Circular Orbits of Satellites with Critical Inclination....Pages 217-218
Front Matter....Pages 219-219
Excitation in the Early Solar Nebula — New Experimental Findings....Pages 221-232
Physical Processes of Relevance to the Formation of the Planetary System....Pages 233-242
Magnetospheres of Jupiter and Saturn....Pages 243-248
A Physical Detail Relevant to the Savić-Kašanin Theory of Behaviour of Materials under High Pressure....Pages 249-250
On the Lifetime of E-Ring Grains and Their Nature....Pages 251-252
H 2 Enrichment of Interplanetary Medium....Pages 253-254
Study of the Interplanetary Dust at High Ecliptic Latitudes: Doppler-Fizeau Shifts....Pages 255-256
Near Infrared Emission from the Solar Corona....Pages 257-258
Associative Ionization and Sodium in the Atmospheres of Planetary System Bodies....Pages 259-260
On Physical Interpetation of Hypsometric Characteristics of the Moon and Planets....Pages 261-262
The Lunar Photometric Constant in the System of True Full Moon....Pages 263-264
Surface Properties of Asteroids....Pages 265-268
Earth-Crossing Asteroids: New Discoveries....Pages 269-276
Synthetic Lightcurves of Asteroidal Binary Systems....Pages 277-278
CCD Scanning for Asteroids and Comets....Pages 279-284
Color Variations of Asteroids during Rotation....Pages 285-286
Results from Occultations by Minor Planets....Pages 287-288
On the Rotations of M Asteroids....Pages 289-290
Asteroid Rotation Rates: Comparison between Theory and Observations....Pages 291-294
Asteroid Collisional Evolution: Outcomes of Catastrophic Impacts....Pages 295-298
Front Matter....Pages 219-219
An Improved Representation of the Average Opposition Magnitudes of Asteroids....Pages 299-302
A Coordinate Program for Pole Determination of Asteroids....Pages 303-304
The Worldwide Photoelectric Campaign for the Asteroid 51 Nemausa....Pages 305-306
Halley’s Comet and Plans for Its Observation during Its Return in 1986....Pages 307-320
Perihelion Asymmetry in the Photometric Parameters of Long-Period Comets at Large Heliocentric Distances....Pages 321-322
Ultraviolet Spectroscopy of Comets....Pages 323-330
Plasma — Dust Interactions in the Solar and Cometary Environment....Pages 331-333
The Total Mass and Structure of the Meteor Stream Associated with Comet Halley....Pages 335-336
Outbursts of Comets....Pages 337-338
On the Electric Charge of Interplanetary Grains....Pages 339-341
Observations of Zodiacal Light at Abu-Simbel, Egypt, during the Period 1975–1979....Pages 343-344
The Brightness Integral Equation. A Different Approach to the Study of the Zodiacal Light....Pages 345-347
Sarajevo Observatory Fireball Patrol....Pages 349-350
Front Matter....Pages 351-351
Review of the Dynamics of Satellites and Planetary Rings....Pages 353-359
Dynamical Evolution and Disintegration of Comets....Pages 361-370
A Dynamical Study of Possible Birthplaces of Comets....Pages 371-374
An Interstellar Origin for Comets....Pages 375-378
Strong Perturbations at Close Encounters with Jupiter....Pages 379-384
Statistics of Close Encounters of Minor Bodies with the Outer Planets....Pages 385-388
Keplerian Estimates of Pre-Discovery Encounters with Jupiter for Short-Period Comets....Pages 389-390
Front Matter....Pages 351-351
The Motions of Comets near the 2/1 Resonance with Jupiter....Pages 391-394
Temporary Satellite Captures by Jupiter for Orbits Resembling the One of Comet P/Gehrels 3....Pages 395-396
On the Long-Term Orbital Evolution of Comet P/Boethin....Pages 397-400
On the Displacement of Meteor Showers Activity....Pages 401-402
Some Characteristics of the Asteroid Belt Structure....Pages 403-404
Resonances in the Motions of Minor Planets and Their Use for the Determination of Masses....Pages 405-410
Stability of Real Hecuba and Hilda Asteroids....Pages 411-412
First-Order Theory of Ceres, Pallas, Juno, and Vesta....Pages 413-414
Methods of Computation of the Perturbed Motion of Small Bodies in the Solar System....Pages 415-419
A New Method for Expression of the Perturbation Function....Pages 421-422
Relativistic Dynamics of the Earth-Moon System....Pages 423-427
On the Secular Effects in the Motion of a Planetary Satellite....Pages 429-430
L’Invariabilité Séculaire Des Grands Demiaxes Des Orbites Planétaires....Pages 431-433
On Linear Stability of Triangular Libration Points of the Photogravitational Restricted Three-Body Problem Wien the More Massive Primary is an Oblate Spheroid....Pages 435-436
Nouvelles Theories des Planetes et de la Lune Dans Les Ephemerides Francaises....Pages 437-440
New Planetary Ephemerides Back to 4000 B.C.....Pages 441-442
Ephemerides et Observations de Mars a L’Astrolabe....Pages 443-444
Observations of the Sun and Inner Planets with the Large Meridian Circlein Belgrade....Pages 445-446
Some Results of the Mercury Transit Observations in 1970 and 1973 at Belgrade....Pages 447-448
Contribution of the Pulkovo Observatory to the Improvement of Orientation of the FK4 System Using Observations of Selected Minor Planets....Pages 449-451
Front Matter....Pages 453-453
Problems of Three-Dimensional Refraction in Astrometry....Pages 455-462
The Use of Lidar to Obtain Three-Dimensional Refraction Data....Pages 463-470
Final Refraction Problems in Time and Latitude Observations Through Classical Techniques....Pages 471-474
Astronomical Refraction Calculated from Aerological Data in Japan....Pages 475-476
Experimental Model for Diurnal Astronomical Refraction....Pages 477-482
Astrometric Site Selection....Pages 483-491
The Influence of Ionospheric Refraction on Radio Astronomy Interferometry....Pages 493-496
Disregard of Some Ray Tracing Principles in Optical and Radio Spectral Bands....Pages 497-498
Refraction Effects on Geodetic Measurements in Three-Dimensional Terrestrial Nets....Pages 499-502
Experimental Investigation of Refraction above Water Crossings....Pages 503-504
Atmospheric Turbulence and Its Effects on Direction Measurements....Pages 505-510
Local Geodynamics with Two-Colour Instruments....Pages 511-518
Terrestrial Refraction and Vertical Temperature Gradient....Pages 519-522
Terrestrial Refraction and Vertical Temperature Gradient in the Area of Thessaloniki....Pages 523-528
A Study of the Refractivity N of the Air in the Area of Athens....Pages 529-530
Back Matter....Pages 531-538