Variable Stars as Essential Astrophysical Tools

I Basic Aspects of Stellar Structure and Pulsation.- II an Introduction to Helioseismology.- Solar Models and Helioseismology.- III Astrophysical Equation of State and Opacity.- IV Introduction to Asteroseismology of ? Scuti Stars.- The Pulsational Behaviour of Variable Stars in The Lower Part of the Instability Strip.- 57 Tau a 6 Scuti Star in Binary System in the Hyades.- V Evolution and Hydrodynamics of Rotating Stars.- VI Techniques of Collection, Reduction and Analysis of Data of Pulsating Stars I: Multi-Band Multi-Longitude Campaigns.- Techniques of Collection, Reduction and Analysis of Data of Pulsating Stars II: Cluster Surveys, Multi-Band Observations, New Approaches for ? Doradus and ? Scuti Stars.- Simultaneous Light Curve, Color Curve and Line Profile Fitting for Pulsating Stars. Objects in the lower part of Cepheid Instability Strip ? Scuti and ? Doradus Stars.- VII AN INTRODUCTION TO Ap STARS, roAp STARS AND THE ASTEROSEISMOLOGY OF roAp STARS.- Evidence for, and Development of, the Oblique Pulsator Model.- Long-term Monitoring of Cyclic Frequency Variability in roAp Stars.- Multi-color Observations and Atmospheric Level Effects in roAp Stars.- Asteroseismology Versus Astrometry Testing p-mode predictions for roAp stars against Hipparcos.- Pulsational Radial Velocity Studies of roAp Stars y Equulei, 33 Librae, H.D. 134214, HR 1217, and HD 122970.- Asteroseismology with a Spatial Resolution: Prospects for Rapid RV-Spectroscopy of roAp Stars.- VIII Asteroseismology of Cepheids.- On the Normalization of Cepheid Period-Luminosity Relationships.- IX theoretical models of ? doradus variables.- Gamma Doradus Stars: Observational Constraints to Theoretical Models.- X Trend Analysis of Long Period Variables.- Absolute Magnitudes of M Type Semi-regular Variables in Hipparcos Catalogue.- XI Pulsating White Dwarf Stars.- XII The O-C Diagram.- Period Changes as a Tool to Study Stellar Evolution.- XIII Binary Stars Apsidal Motion in Close Binaries.- Apsidal Motion Studies for DI Her.- Irradiation Effects and Light Curve Solution of Close Hot Binaries.- Orbital Period Variations of Some Algol-Type Binaries.- Period Changes as a Tool to Study Unseen Components Around Eclipsing Binaries.- Asymmetry in the Light Curves of Massive Binaries.- On the Gravity Darkening of Eclipsing Variables of the W UMa Type.- UBV Photometry of the Massive Eclipsing Binary TT Aurigae.- Orbital Period Changes and Global Evolution of Contact Binaries.- Detached Eclipsing Binaries as a Test of Stellar Evolutionary Models.- XIV Cool Close Binaries and Rs CVn Stars Modelling Photospheres of Active Stars - What Can We Learn from Photospheric Spot Modelling?.- H ? Line and Photometric Variability in Magnetical Active Stars.- On the Connection Between Magnetic Activity and Orbital Period Modulation in Close Binaries.- Multi-Site Spectroscopy on FK Comae: An Extreme Activity Laboratory.- XV High Energy Binaries and Exotic Objects Cataclysmic Variables as a Magnetic Laboratory.- Accretion Disk Winds in Dwarf Novae.- Apparent Changes of Orbital Period due to Outbursts in Symbiotic Binaries.- Statistical Investigations of High and Low Mass X-Ray Binaries.- Application of the Hot White Dwarf Atmosphere Models to the X-Ray Data of Classical Novae.- XVI Satellite Observations Flares and Large Scale Evolution of a Solar Active Region Observed in 1996 by GOES, SOHO and YOHKOH: Implications for X-Ray stellar Variability.- Stellar Astrophysics With a Wide Field Optical Camera in Space.- Star Index.