Institut für Astronomie & Astrophysik


Generally, invited talks were 25 minutes + 10 minutes discussion. Contributed talks were 15 + 5 minutes, respectively. The electronics versions of the talks provided as PDF and/or PPT files. Videos of the talks are presently available in Windows Media Video (WMV) format only. Please find the links in the programme below.

Posters were on display during the whole conference. Please find the electronic versions at the end of this page.

MONDAY September 17 Census, Progenitor AGB Evolution, R CrB, EHe Presentation
08:30-09:00   Registration  
09:00-09:20 Werner Conference Opening PDF PPT WMV
    Chair: Clayton  
09:20-09:55 Jeffery Statistics of Hydrogen-Deficient Stars PPT WMV
09:55-10:30 Falk Herwig Progenitor AGB Evolution PDF WMV(1) WMV(2)
Coffee Break  
    Chair: Bond  
11:00-11:35 Rao Observational Aspects of R CrB Stars PPT WMV
11:35-12:10 Gustafsson The problematic modelling of RCrB atmospheres PPT WMV
12:10-12:30 Pavlenko Model Atmospheres and Spectra of the Cool Hydrogen-Deficient Stars and Peculiar Giants PPT WMV
Lunch Break  
    Chair: Rao  
14:00-14:50 Clayton The Evolution of R Coronae Borealis Stars PDF WMV
14:50-15:10 Pandey Fluorine Abundances in R Coronae Borealis Stars PPT WMV
15:10-15:30 Rosenbush Shell-model Parameters of a Star with the R Coronae Borealis Type Variability PPT WMV
Coffee Break  
    Chair: Liebert  
16:00-16:35 Jeffery Extreme Helium Stars: A Panorama PPT WMV
16:35-17:10 Saio Radial and Nonradial Pulsations in RCrB and EHe-B Stars PDF WMV
18:00 Reception at the Institute  
TUESDAY September 18 [WC], WELS, PG1159, O(He), Born-Again Stars, Pulsations  
    Chair: Schönberner  
09:00-09:35 Crowther Spectroscopic Analysis of [WC]-type PN Central Stars PDF WMV
09:35-09:55 Todt Determining Element Abundances of [WC]-Type Central Stars for Probing Stellar Evolution and Nucleosynthesis PDF WMV
09:55-10:15 Gräfener WR Wind Models: [WC]-Type CSPN vs. Massive Stars PDF WMV
10:15-10:35 Marcolino The Ultraviolet Spectrum of the WELS PPT WMV
Coffee Break  
    Chair: Crowther  
11:00-11:30 Werner Element Abundances in PG1159 Stars PDF PPT WMV
11:30-11:45 Reiff FUSE Spectroscopy of Cool PG1159 Stars PPT WMV
11:45-12:00 Ziegler UV and FUV Spectroscopy of the Hybrid PG1159 Star NGC7094 PDF WMV
12:00-12:20 Boyce The unidentified FUV lines of hydrogen deficient dwarfs PPT WMV
12:20-12:40 Bond Mass-Loss Events in the Pulsating Central Star of Longmore 4 PPT WMV
Lunch Break  
    Chair: Heber  
14:00-14:20 Rauch O(He) Stars PPT WMV
14:20-14:55 Gorny Properties of [WC] Planetary Nebulae PDF WMV
14:55-15:15 Kimeswenger Morphologies of the Nebulae around "Born-Again" CSPNe PDF WMV
15:15-15:50 Quirion Hydrogen-Deficient Compact Pulsators, the GW~Vir Stars and DB White Dwarfs PPT WMV
Coffee Break  
    Chair: Werner  
16:15-16:35 Solheim Search for Pulsations in Hydrogen-Deficient Planetary-Nebula Nuclei PPT WMV
16:35-17:10 Schönberner FG Sge, V605 Aql, Sakurai - Facts and Fictions PDF WMV
17:10-17:30 Hajduk On the Evolved Nature of CK Vul PDF WMV
17:30-17:50 Savanov Optical Spectroscopy of V4334 Sgr in 1996 PPT WMV
WEDNESDAY September 19 Formation Scenarios for Hydrogen-Deficient Post-AGB Stars  
    Chair: De Marco  
09:00-09:20 Van Hoof Recent Observations of V4334 Sgr (Sakurai's Object) and V605 Aql PDF WMV
09:20-09:55 Herwig Origin of Hydrogen-Deficient Post-AGB Stars: Late He Flash PDF WMV
09:55-10:15 Miller Bertolami Revisiting the Born Again (VLTP) Scenario: The importance of the remnant's mass PPT WMV
Coffee Break   Conference Photo  
    Chair: Herwig  
10:45-11:20 De Marco The evolution of H-deficient post-AGB stars: observational tests of single and binary evolutionary scenarios PPT WMV
11:20-11:40 Diehl The Formation of Hydrogen-Deficient Stars through Common Envelope Evolution PPT WMV
11:40-12:00   Discussion WMV
Lunch Break  
14:00 Excursion & Conference Dinner  
THURSDAY September 20 WD, sdO/B, CV, Massive WR  
    Chair: Jeffery  
09:00-09:20 Liebert New Results and a Luminosity Function for DO and DB White Dwarfs PPT WMV
09:20-09:40 Dufour Hot DQ White Dwarf Stars: A New Challenge to Stellar Evolution PPT WMV
09:40-10:15 Heber Subluminous O Stars PPT WMV
10:15-10:35 Napiwotzki The Origin of Helium-Rich Subdwarf O Stars PDF WMV
Coffee Break  
    Chair: Hamann  
11:00-11:20 Ahmad Helium-Rich Subdwarf B Stars PPT WMV
11:20-11:55 Marsh AM CVn Stars PDF WMV
11:55-12:15 Woudt V445 Puppis - A Unique Helium Nova PPT WMV
12:15-12:35 Kato Modeling the Light Curve of V445 Puppis: Helium Nova on a Massive White Dwarf PPT WMV
Lunch Break  
    Chair: Langer  
14:00-14:35 Nelemans Hydrogen-Deficient Low-Mass X-Ray Binary Donors PDF WMV
14:35-14:55 Nagel Metal Abundances of Accretion Discs in AM CVn Binaries PDF WMV
14:55-15:15 Bildsten Faint Thermonuclear Supernovae from AM CVn Binaries PPT WMV
15:15-15:35 Waldman Helium Stars as Supernova Progenitors PPT WMV
Coffee Break  
    Chair: Bildsten  
16:00-16:20 Copperwheat ULTRACAM observations of two accreting white dwarf pulsators PDF WMV
16:20-16:55 Hamann WR Analyses PDF WMV
16:55-17:30 Glatzel Stability and Pulsations of WR Stars PDF WMV
FRIDAY September 21 WR/GRB, Intermediate-Mass Binaries, SN Ia  
    Chair: Nelemans  
09:00-09:35 Langer WR Stars as GRB Progenitors PDF WMV
09:35-10:10 Podsiadlowski Binary Channels for the Formation of Hydrogen-Deficient Stars PDF WMV
10:10-10:45 Bildsten Progress on Paths to Type Ia Supernovae PPT WMV
Coffee Break  
    Chair: Podsiadlowski  
11:15-11:50 Fryer Simulations of Merging White Dwarfs PDF WMV
11:50-12:25 Mazzali Type I Supernovae and their Progenitors PDF PPT WMV
12:25-12:45   Discussion WMV
12:45-13:15 Liebert Conference Summary PPT WMV
End of Conference  
  Corsico Asteroseismological Modeling of PG 1159-035, the Prototype of the GW Vir Variable Stars PDF
  Geballe 18O and the Origins of Hydrogen-Deficient Carbon Stars and R Coronae Borealis Stars PDF
  Gesicki The nature of M 2-29 PDF
  Kipper Optical Spectrum of Z UMi during its maximum light PDF
  Kusterer Accretion-disk wind in AM CVn binaries PDF
  Miller Bertolami Modeling He-rich Subdwarfs through the Hot-Flasher Scenario: First Results PDF
  Miszalski Central Stars of Galactic Bulge and MASH Planetary Nebulae PDF
  Onifer The Metallicity Dependence of Wolf-Rayet Mass Loss PDF
  Rauch On the Distribution of Dust in the "Born-Again" Planetary Nebula A30 PDF
  Rosenbush Possible Indicator of Incipient Light Minimum in a Star with the R Coronae Borealis Type Variability PDF
  Rosenbush List of Helium Novae PDF
  Rosenbush Seasonal Variations of Radial Velocity of RY Sgr which is a Star with the R CrB Type Variability: Preliminary Results PDF
  Schuh A PG 1159 Close Binary System PDF
  Traulsen XMM-Newton Observations of Two Soft X-Ray Selected Magnetic CVs PDF
  Wende Non-Linear Pulsations in Wolf-Rayet Stars PDF
  Werner KPD0005+5106: Hottest DO White Dwarf Much Hotter Than Assumed PDF