Home Bispektrum-Speckle-Interferometrie von entwickelten Sternen Near-infrared speckle imaging and AO polarimetry of the bipolar proto-planetary nebula Frosty Leo IAU Symposium 234 - "Planetary Nebulae in our Galaxy & Beyond"Hawaii, USA3.-7. April 2006 mehr High-resolution near-infrared speckle interferometry and radiative transfer modeling of the OH/IR star OH 26.5+0.6 Jahrestagung der Astronomischen Gesellschaft - "The many facets of the universe - Revelations by new instruments"Köln, Deutschland26. September - 1. Oktober 2005 mehr High-resolution near-infrared speckle interferometry and radiative transfer modeling of the OH/IR star OH 104.9+2.4 SPIE Konferenz - "New Frontiers in Stellar Interferometry"Glasgow, Schottland21.-25. Juni 2004 mehr Diffraction-limited bispectrum speckle interferometry of the carbon star IRC +10 216 with 73 mas resolution: The dynamic evolution of the innermost circumstellar environment from 1995 to 2005 Jahrestagung der Astronomischen GesellschaftHeidelberg, Deutschland14.-19. September 1998 mehr