White Dwarfs: Cosmological and Galactic Probes

Edward M. Sion, Professor of Astronomy and Astrophysics, Villanova University, Former Scientific Editor, The Astrophysical Journal, author or co-author of over 400 scientific publications on white dwarfs and cataclysmic variable stars, co-author of the Catalogue of Spectroscopically Identified White Dwarfs. Stephane Vennes, Research Astronomer, Johns Hopkins University, Lecturer, Australian national University, leading expert on the physics of diffusion, radiative forces, and accretion onto white dwarfs, and specialist on space ultraviolet studies of white dwarf stars. Harry L. Shipman, Annie Jump Cannon Professor of Astronomy, University of Delaware, Distinguished Educator Medal, the National Science Foundation, author or co-author of over 300 scientific publications on white dwarfs and author of Black Holes and the Infinite Universe and Introductory Astronomy, leading expert on white dwarf stars and science education.

Halo White Dwarfs and Galactic Structure.- Old Ultracool White Dwarfs as Cosmological Probes.- Number Counts of White Dwarfs: The Impact of GAIA.- Influence of Metallicity in the Determination of the Age of Halo White Dwarfs.- Cool Halo White Dwarfs from GSCII.- Dark Halo Baryons not in Ancient White Dwarfs?.- The White Dwarf Population in the 2QZ and Sloan Surveys.- White Dwarfs and Cataclysmic Variables in the FBS.- Spectroscopic and Photometric Observations of White Dwarfs in Globular Clusters.- The Core/Envelope Symmetry in Pulsating White Dwarf Stars.- A Search for Variability in Cool White Dwarf Stars.- Study of the Galactic Bulge Using New Planetary Nebulae Discovered on the AAO/UKST H? Survey.- Type Ia Supernovae.- Type Ia Supernovae and Cosmology.- The Progenitors of Type Ia Supernovae.- Surveys for Double Degenerate Progenitors of Supernovae Type Ia.- Population Synthesis for Progenitors of Type Ia Supernovae.- How Far Can We Trust Type Ia Supernovae as Standard Candles?.- Kirshner on White Dwarfs, Supernovae, and Cosmology.- Cataclysmic Variables and White Dwarf Accretion.- Accretion in Cataclysmic Variable Stars.- White Dwarfs in Cataclysmic Variables: Probes of Accretion History.- Intermediate Polars in Low States.- Chemical Abundances of White Dwarfs in Cataclysmic Variables.- AM CVn Stars in the UCT CCD CV Survey.- Photometric Observations of Cataclysmic Variables with the 1.5-m Telescope at the TÜBITAK National Observatory (TUG): V2275 Cyg, RW UMi, PX And and FO Per.- The Possible Identification of Two Hibernating Novae.- Evidence for Large Superhumps in TX Col and V4742 Sgr.- Concluding Remarks.- Understanding the Ultimate Fate of the Universe.