Poster

• Discovery of a Double-Shell Structure in the Planetary Nebula LoTr 4
  Annual meeting of the Astronomische Gesellschaft, September 1995, Bonn, Germany
• Implications of Light Metals (Li - Ca) on NLTE Model Atmospheres for Hot Stars
  Workshop on Supersoft X-Ray Sources, February 1996, Garching, Germany
• NLTE Analysis of Central Stars of Highly Excited Planetary Nebulae
  IAU Symposium No. 180, Planetary Nebulae, August 1996, Groningen, The Netherlands
• Implications of Light Metals (Li - Ca) on NLTE Model Atmospheres of Compact Hot Stars
  Annual meeting of the Astronomische Gesellschaft, September 1996, Tübingen, Germany
• Analysis of IUE spectra with NLTE model atmospheres
  Ultraviolet Astrophysics - Beyond the IUE Final Archive, November 1997, Sevilla, Spain
• Improved NLTE Model Atmospheres for the Analysis of Hot Compact Stars
  Second Oak Ridge Symposium on Atomic & Nuclear Astrophysics, December 1997, Oak Ridge, TN, USA
• NLTE Model Atmospheres for Extremely Hot Compact Stars
  IAU Symposium 195, Highly Energetic Physical Processes and Mechanisms for Emissions from Astrophysical Plasmas, July 1999, Bozeman, USA
• NLTE Model Atmospheres for Central Stars of Planetary Nebulae
  Asymmetrical Planetary Nebulae II: From Origins to Microstructures, August 1999, MIT, Cambridge, USA
• Survey of Large Planetary Nebulae in Decay
  Asymmetrical Planetary Nebulae II: From Origins to Microstructures, August 1999, MIT, Cambridge, USA
• NLTE model atmospheres for post-AGB stars
  The Fourth Tetons Conference, Galactic Structure, Stars and the Interstellar Medium, May 28 - June 1 2000, Jackson Hole, Wyoming, USA
• Calculation of Synthetic Ionizing Spectra for Planetary Nebulae
  IAU Symposium 209: Planetary Nebulae: Their Evolution and Role in the Universe, November 19 - 23, 2001, Canberra, Australia
• The Enigma of AA Dor
  IAU Colloquium 215, Stellar Rotation, November 2002, Cancun, Mexico
• The Rotational Velocity of hot Pre-White Dwarfs
  IAU Colloquium 215, Stellar Rotation, November 2002, Cancun, Mexico
• NLTE Spectral Analysis of Central Stars of PN Interacting with the ISM
  Asymmetric Planetary Nebulae III: Winds, Structure, and the Thunderbird, July 28 - August 1 2003, Mt. Rainier National Park, Seattle, USA
• AA Dor - An Eclipsing sdOB - Brown Dwarf Binary
  IAU Colloquium 194, Compact Binaries in the Galaxy and beyond, November 2003, La Paz, Mexico
• On the Velocity Field and the 3D Structure of the Galactic Soccer Ball Abell 43
  International Conference on Planetary Nebulae as Astronomical Tools, June 2005, Gdansk, Poland
• FUV Spectroscopy of the Central Star of Sh 2-216
  Space Astronomy: The UV window to the Universe, May 2007, El Escorial, Spain
• Search for Mass-Ejections from Late He-Shell Flash Stars
  Asymmetrical Planetary Nebulae V: The Shaping for Stellar Ejecta, June 2010, Bowness on Windermere, England