Karl Schwarzschild Lecture:
Binary Pulsars and Relativistic Gravity
By Joseph H. Taylor.
To the regret of the members of the Board of the Astronomische Gesellschaft, our 1997 awardee of the Karl Schwarzschild Medal was not in a position to prepare the manuscript of his lecture, as was agreed before.
Ludwig Biermann Award Lecture:
From Central Stars of Planetary Nebulae to White Dwarfs
By Ralf Napiwotzki
On the Dynamics of Bodies in Our Planetary System
By Rudolf Dvorak
Massive Stars: the Pre-Supernova Evolution of internal and Circumstellar Structure
By Norbert Langer, Alexander Heger, and Guillermo García-Segura
The HST Deep Field
By Harry Ferguson
Neutral Hydrogen in the Magellanic Cloud
By Lister Staveley-Smith
Extragalactic Planetary Nebulae as Mass Tracers in the Outer Halos of early-type Galaxies
By Magda Arnaboldi and Massimo Capaccioli
AGB-Stars and Mass Loss
By Ernst A. Dorfi and Susanne Höfner
Planetary Nebulae: the Normal, the Strange, and Sakurai's Object
By Florian Kerber
Variable Circumstellar Structure of Luminous Hot Stars: the Impact of Spectroscopic Long-term Campaigns
By Andreas Kaufer
Stellar Variability as a Tool in Astrophysics: a Joint Research Initiative in Austria
By Klaus G. Strassmeier
The H2 Mass in The Inner 500 pc of the Milky Way
By Rainer Mauersberger and L. Bronfman
Elliptical Galaxies
By Werner W. Zeilinger
Jets in Active Galaxies: New Results from HST and VLA
By Heino Falcke
The Deceleration of Cosmic Expansion
By Peter Schücker and Waltraut C. Seitter
Eclipse Mapping of Accretion Disks
By Sonja Vrielmann
Raman Scattering and the Geometric Strucure of Symbiotic Stars
By Hans Martin Schmid
The Milky Way in the UV
By Linda Schmidtobreick, W. Schlosser, P. Koczet, S. Wieman, and M. Jütte
New Generation Space Telescope
By Rudolf Albrecht
Electronic Publishing in its Context
By André Heck