Exploration of Halley's Comet

New information on comet P/Halley as depicted by Giotto di Bondone and other Western artists.- Encounters with comets: discoveries and puzzles in com-etary plasma physics.- The pick-up of cometary protons by the solar wind.- Alfvénic turbulence in the solar wind flow during the approach to comet P/Halley.- General features of comet P/Halley: solar wind interaction from plasma measurements.- The Sakigake/Suisei encounter with comet P/Halley.- Waves in the magnetic field and solar wind flow outside the bow shock at comet P/Halley.- Solar wind flow through the comet P/Halley bow shock.- Macroscopic perturbations of the IMF by P/Halley as seen by the Giotto magnetometer.- Low-frequency magnetic field fluctuations in comet P/Hal-ley's magnetosheath: Giotto observations.- Fine structure of the magnetic field in comet P/Halley's coma.- Giotto magnetic-field results on the boundaries of the pile-up region and the magnetic cavity.- Identification of boundaries in the cometary environment from ac electric field measurements.- Dust observations of comet P/Halley by the plasma-wave analyzer.- Comparative study of the low-frequency waves near comet P/Halley during the Vega-1 and Vega-2 fly by s.- Plasma flow in the cometosheath of P/Halley during the encounter of Suisei.- MHD waves detected by ICE at distances ?28 106 km from comet P/Halley: Cometary or solar wind origin?.- Plasma-tail activity at the time of the Vega encounters.- Observations of cometary plasma-wave phenomena.- Hydromagnetic waves associated with cometary water group ions: Sakigake observation.- Plasma properties from the upstream region to the cometo-pause of comet P/Halley: Vega observations.- Observations of heavy energetic ions far upstream from comet P/Halley.- Spatial distribution of water-group ionsnear comet P/Hal-ley observed by Suisei.- An interpretation of the ion pile-up region outside the ionospheric contact surface.- Description of the main boundaries seen by the Giotto electron experiment inside comet P/Halley-solar wind interaction region.- In-situ observations of a bi-modal ion distribution in the outer coma of comet P/Halley.- The composition and radial dependence of cometary ions in the coma of comet P/Halley.- Pick-up ions at comet P/Halley's bow shock: observations with the IIS spectrometer on Giotto.- Ion temperature and flow profiles in comet P/Halley's close environment.- The composition and dynamics of cometary ions in the outer coma of comet P/Halley.- Expansion velocity and temperatures of gas and ions measured in the coma of comet P/Halley.- Giotto-IMS observations of ion-flow velocities and temperatures outside the magnetic cavity of comet P/Halley.- The dependence of mass resolution and sensitivity of the PUMA instrument on the energy spread of ions produced by hypervelocity impacts.- Spatial distribution of heavy ions in comet P/Halley's coma.- Quasi-periodic features and the radial distribution of cometary ions in the cometary plasma region of comet P/Halley.- Electronic spectroscopy and relaxation of some molecular cations of cometary interest.- Possible models on disturbances of the plasma tail of comet Halley during the 1985-1986 apparition.- Structure and dynamics of the plasma tail of comet P/Halley. I. Knot event on December 31,1985.- Structure and dynamics of the plasma tail of comet P/Halley. II. Kink event on January 10-11,1986.- Hot ions observed by the Giotto ion mass spectrometer at the comet P/Halley contact surface.- Photographic observations of tail-formation activities of comet P/Halley in November 1985.- Theoutburst of comet P/Halley on December 12,1985.- Structure and dynamics of plasma-tail condensations of comet P/Halley 1986 and inferences on the structure and activity of the cometary nucleus.- Observations of the coma of comet P/Halley and the outburst of 1986 March 24-25 (UT).- Observations of ions in comet P/Halley with a focal reducer.- Two disconnection events in comet P/Halley and possible solar causes.- Activity of the plasma tail of comet P/Halley in March 1986.- The cause of two plasma-tail disconnection events in comet P/Halley during the ICE-Halley radial period.- Energy spectra of energetic ions in the vicinity of comet P/ Giacobini-Zinner.- Plasma structures in comets P/Halley and Giacobini-Zinner.- Analysis of the electron measurements from the Plasmag-1 experiment on board Vega-2 in the vicinity of comet P/Halley.- The upstream regionforeshock and bow shock wave at comet P/Halley from plasma electron measurements.- Stochastic Fermi acceleration of ions in the pre-shock region of comet P/Halley.- Measurements of low energy electrons and spacecraft potentials near comet P/Halley.- Charge exchange of solar wind ions in the coma of comet P/Halley.- Fluid simulation of comet P/Halley's ionosphere.- Unusual characteristics of electromagnetic waves excited by cometary newborn ions with large perpendicular energies.- Far-ultraviolet objective spectra of comet P/Halley from sounding rockets.- IUE observations of comet P/Halley: evolution of the ultraviolet spectrum between September 1985 and July 1986.- Some diatomic molecules from comet P/Halley's UV spectra near spacecraft flybys.- Activity of comet P/Halley on March 23-25,1986: IUE observations.- Cometary MHD and chemistry.- Atomic hydrogen production rates for comet P/Halley from observations withDynamics Explorer 1.- The spectrum of P/Halley's coma obtained with an objective-prism.- Comet P/Halley neutral gas density profile along the Vega-1 trajectory measured by the Neutral Gas Experiment.- Low-resolution maps of comet P/Halley in principal atomic and molecular species.- Pioneer Venus measurements of HOand C production in comet P/Halley near perihelion.- Anisotropy of the neutral gas distribution of comet P/Halley deduced from NGE/Vega-1 measurements.- The atomic carbon distribution in the coma of comet P/Halley.- Carbon-isotope ratio in PUMA 1 spectra of P/Halley dust.- Study of the isotopic features of Swan bands in comets.- Kinematic properties of the neutral gas outflow from comet P/Halley.- The spectrum of comet P/Halley between 0. 9 and 2. 5 ?m.- Anisotropic non-stationary gas flow dynamics in the coma of comet P/Halley.- Infrared investigation of water in comet P/Halley.- The ortho-para ratio of water vapor in comet P/Halley.- The 2.7 ?m water band of comet P/Halley: interpretation of observations by an excitation model.- Curves of growth of emission lines in cometary spectra. Implications for H2O and OH bands of comet P/Halley.- The D/H ratio in water from comet P/Halley.- Improved gas-kinetic treatment of cometary water sublimation and recondensation: application to comet P/Halley.- Detection of OH rotational emission from comet P/Halley in the far-infrared.- 18-cm wavelength radio monitoring of the OH radical in comet P/Halley (1982i).- 10. 7 GHz continuum observations of comet P/Halley.- Rotational structure of the (2,0) Phillips band of C2 in comet P/Halley.- OH radio observations of comet P/Halley.- Observations of HCN in comet P/Halley.- The CO and N2 abundance in comet P/Halley.- Resolution of the [OI] + NH2 blend in comet P/Halley.- Arotational-state population analysis of the high-resolution IUE observation of CS emission in comet P/Halley.- Search for methane in comet P/Halley.- Evidence for methane and ammonia in the coma of comet P/Halley.- Detection of parent molecules in comet P/Halley from the IKS-Vega experiment.- Detection of a new emission band at 2. 8 ?m in comet P/Halley.- Photometry of P/Halley (1982i).- Polarimetry of comet P/Halley: continuum versus molecular bands.- Photometric observations of comet P/Giacobini-Zinner.- Circular polarization near the nucleus of comet P/Halley.- Spectrophotometry of comet P/Halley. I. Fluxcolumn density and emission gradients within the coma in the emission bands and the continuum.- Spectrophotometry of comet P/Halley at wavelengths 275-710 nm from Vega-2.- The visual brightness behavior of P/Halley during 1981-1987.- The spectral behavior of P/Halley at large heliocentric distance in light of the Giotto/Vega results.- Periodicities in the light curve of P/Halley and the rotation of its nucleus.- Photometry of comet P/Halley at near post-perihelion phases.- Observations of comet P/Halley at minimum phase angle.- Chinese observations of comet P/Halley in China and abroad Gong.- Thermal infrared imaging of comet P/Halley.- Low resolution mapping of comet P/Halley in the near-infrared.- Infrared monitoring of comet P/Halley.- Airborne and groundbased spectrophotometry of comet P/Halley from 5-13 micrometers.- The near-infrared polarization and color of comet P/Halley.- The 3.2-3.6 ?m emission features in comet P/Halley: spectral identifications and similarities.- Airborne spectrophotometry of P/Halley from 16 to 30 microns.- Photometry of comet P/Halley from 40 to 160 microns.- Airborne spectrophotometry of P/Halley from 20 to 65 microns.-Comet P/Halley near-nucleus phenomena in 1986.- The sunward spike of Halleys comet.- Complex refractive index of grain material deduced from the visible polarimetry of comet P/Halley.- Infrared emission from P/Halley's dust coma during March 1986.- The dust tail of comet P/Halley in April 1986.- Albedo maps of comets P/Halley and P/Giacobini-Zinner.- Polarimetry of grains in the coma of P/Halley. I. Observations.- Polarimetry of comet P/Halley.- Calibration of the DIDSY-IPM dust detector and application to other impact ionisation detectors on board the P/Halley probes.- Dust in comet P/Halley from Vega observations.- Properties of dust in comet P/Halley measured by the Vega-2 three-channel spectrometer.- Dust distribution of comet P/Halley's inner coma determined from the Giotto Radio-Science Experiment.- The dust distribution within the inner coma of comet P/Halley (1982i): encounter by Giotto's impact detectors.- The dust coma of comet P/Halley: measurements on the Vega-1 and Vega-2 spacecraft.- Spatial and mass distribution of low-mass dust particles (minterplanetary space.- Evaporating grains in P/Halley's coma.- Comet P/Halley's nucleus and its activity.- Electrostatic charging and fragmentation of dust near P/Giacobini-Zinner and P/Halley.- Evolution of comet P/Halley in early march 1986 as observed from Vega pictures.- The spatial distribution of dust jets seen during the Vega 2 flyby.- Temperature and size of the nucleus of comet P/Halley deduced from IKS infrared Vega-1 measurements.- Fine dust structures in the emission of comet P/Halley observed by the Halley Multicolour Camera on board Giotto.- Detailed analysis of a surface feature on comet P/Halley.- The cometary nucleus: current concepts.- Composition measurements and the history of cometary matter.- Modeling P/Halley before and after the encounters.- Post-perihelion brightening of comet P/Halley: Springtime for Halley.- P/Halley dust characteristics: a comparison between Orio-nid and Eta Aquarid meteor observations and those from the flyby spacecraft.- Radiation formation of a non-volatile comet crust.- Astrometric positions of comet P/Halley.- A new approach to investigations of the long-term motion of comet P/Halley.- High-order librations of Halley-type comets.- Dormant phases in the aging of periodic comets.- The dynamical lifetime of comet P/Halley.- Galactic tides affect the Oort cloud: an observational confirmation.- The P/Halley meteor showers in 1985-1986.- The spectra of meteors from comet P/Halley.- Meteoroids from comet P/Halley. The comet's mass production and age.- The 1985 return of the Giacobinid meteor stream.- The meteor stream associated with comet P/Grigg-Skjel-lerup.- Meteor contribution by short-period comets.- Associations between ancient comets and meteor showers.- Supplement.- Exploration of Halley's Comet: symposiumsummary.- The Giotto mission to Halley's Comet.- The Vega mission to Halley's Comet.- The Sakigake/Suisei missions to Halley's Comet.- The International Cometary Explorer.- The International Halley Watch.