Some posters/proceedings papers mostly as gzipped postscript files:

• Numerical Simulations of Convection in A Stars
  Bernd Freytag, 1993
  (Poster presented at the ``International Scientific Meeting of the Astronomische Gesellschaft'', September 27-October 1, 1993, Bochum, Germany)
• Numerical Simulations of Stellar Convection and Overshoot
  Bernd Freytag, Matthias Steffen, Hans-Günter Ludwig, 1995
  (Poster presented at the 32nd Liège International Astrophysical Colloquium, 1995, Liège, Belgium)
• Numerical Simulations of Stellar Convection and Overshoot
  Bernd Freytag, Matthias Steffen, Hans-Günter Ludwig, Josef Wagenhuber, 1995
  (Poster presented at the 5th Vienna International Workshop on Model Atmospheres and Spectrum Synthesis, July 1995, Vienna, Austria)
• Problems in Modeling Photospheric Convective Overshoot
  Bernd Freytag, 1996
  (In: ``Model Atmospheres and Spectrum Synthesis'', workshop held at Vienna, July 1995, ASP Conference Series, eds. S.J. Adelman, F. Kupka, W. W. Weiss, Volume 108, 93-98)
• Numerical Simulations of Surface Convection in Solar-type Stars
  Bernd Freytag, Matthias Steffen, Hans-Günter Ludwig, 1995
  (Poster presented at the IAU Symposium 176 ``Stellar Surface Structure'', 1995, Vienna, Austria)
• Numerical Simulations of Stellar Surface Convection along the Main-Sequence
  Bernd Freytag, Matthias Steffen, 1997
  (Poster presented at the ``International Scientific Meeting of the Astronomische Gesellschaft'', September 22-27, 1997, Innsbruck, Austria)
• Numerical Simulations of Convection in Low-Mass Metal-Poor Stars
  Bernd Freytag, 1998
  (Poster presented at the ``International Scientific Meeting of the Astronomische Gesellschaft'', September 14-19, 1998, Heidelberg, Germany)
• Treatment of the Superadiabatic Convection in Low-Mass Metal-Poor Stars from Realistic Hydrodynamics Simulations: Application to Globular Cluster Isochrones
  Bernd Freytag, Maurizio Salaris, Hans-Günter Ludwig, 1998
  (Poster presented at the Workshop on Stellar Structure: ``Theory and Tests of Convective Energy Transport'', Granada, Spain, September 30 - October 2, 1998)
• Treatment of the Superadiabatic Convection in Low-Mass Metal-Poor Stars from Realistic Hydrodynamics Simulations: Application to Globular Cluster Isochrones
  Bernd Freytag, Maurizio Salaris, Hans-Günter Ludwig, 1999
  (Granada Workshop on Stellar Structure: ``Theory and Tests of Convective Energy Transport'', ASP Conference Series, Vol. 173, eds. A. Gimenéz, E.F. Guinan, B. Montesinos, p. 201-204)
• A Calibration of the Mixing-Length for Solar-type Stars Based on Hydrodynamical Simulations of the Surfarce Layers
  Hans-Günter Ludwig, Bernd Freytag, Matthias Steffen, 1998
  (Poster presented at the Workshop on Stellar Structure: Theory and Tests of Convective Energy Transport, Granada, Spain, September 30 - October 2, 1998)
• A Calibration of the Mixing-Length for Solar-type Stars Based on Hydrodynamical Models of Stellar Surface Convection
  Bernd Freytag, Hans-Günter Ludwig, Matthias Steffen, 1999
  (Granada Workshop on Stellar Structure: ``Theory and Tests of Convective Energy Transport'', ASP Conference Series, Vol. 173, eds. A. Gimenéz, E.F. Guinan, B. Montesinos, p. 225-228)
• Numerical Simulations of Surface Convection in Stars with Various Radii
  Bernd Freytag, 1999
  (Poster presented at the ``International Scientific Meeting of the Astronomische Gesellschaft'', September 20-25, 1999, Göttingen, Germany)
• Numerical Simulations of Surface Convection in Stars with Various Radii
  Bernd Freytag, 1999
  (Poster presented at the 11th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, October 4-8, 1999, Puerto de la Cruz, Tenerife, Spain)
• Radiation Hydrodynamics Simulations of the Solar Chromosphere
  Sven Wedemeyer, Bernd Freytag, Matthias Steffen, Hartmut Holweger, 2000
  (Poster presented at the ``International Scientific Meeting of the Astronomische Gesellschaft'', September 18-23, 2000, Bremen, Germany)
• Betelgeuse -- Towards Numerical Simulations of an Entire Supergiant
  Bernd Freytag, 2000
  (Poster presented at the ``International Scientific Meeting of the Astronomische Gesellschaft'', September 18-23, 2000, Bremen, Germany)
• Astronomy Picture of the Day (2000 December 22)
  
• Hot spots in numerical simulations of Betelgeuse,
  see also the conference proceedings
  Bernd Freytag, 2001
  (Poster presented at the 12th Cambridge Workshop on ``Cool Stars, Stellar Systems, and the Sun'', July 30th - August 3rd, 2001, Boulder, Colorado, USA)
• Betelgeuse -- Numerical Simulations of an Entire Supergiant
  Bernd Freytag, 2001
  (Poster presented at the Joint European and National Astronomical Meeting, JENAM 2001, September 10-15, 2001, Munich, Germany)
• Acoustic Energy Generated by Convection: 3-D Numerical Simulations for the Sun
  Sven Wedemeyer, Bernd Freytag, Matthias Steffen, Hans-Günter Ludwig, Hartmut Holweger
  (Poster presented at the Joint European and National Astronomical Meeting, JENAM 2001, September 10-15, 2001, Munich, Germany)
• Radiation Hydrodynamics Simulations in 3D with COBOLD
  Bernd Freytag, 2001
  (Poster prepared for the Workshop on ``Stellar Atmosphere Modeling'', September 17-21, 2001, Tübingen, Germany)
• Radiation Hydrodynamics Simulation of the Convective Envelope of Betelgeuse
  Bernd Freytag, 2002
  (Poster presented at the EuroWinter School ``Observing with the VLTI'', February 3-8, 2002, Les Houches, France)
• Modelling the Entire Atmosphere of Betelgeuse with 3D Simulations (DinA0), (DinA4)
  Bernd Freytag, Michelle Mizuno-Wiedner, 2002
  (Poster presented at the IAU Symposium No. 210 ``Modelling of Stellar Atmospheres'', June 17-21, 2002, Uppsala, Sweden)
• Typical Scales of Structures in Numerical Models of Betelgeuse
  Bernd Freytag, Sigurdur Finnsson, 2002
  (Poster presented at the IAU Symposium No. 210 ``Modelling of Stellar Atmospheres'', June 17-21, 2002, Uppsala, Sweden)
• Acoustic waves in the solar chromosphere - Numerical simulations with COBOLD
  Sven Wedemeyer, Bernd Freytag, Matthias Steffen, Hans-Günter Ludwig, Hartmut Holweger
  (Poster presented at the IAU Symposium No. 210 ``Modelling of Stellar Atmospheres'', June 17-21, 2002, Uppsala, Sweden)
• Betelgeuse -- Improved Numerical Simulations of an Entire Supergiant
  Bernd Freytag, 2002
  (Poster presented at the ``International Scientific Meeting of the Astronomische Gesellschaft'', September 24-28, 2002, Berlin, Germany)
• Three-dimensional model of the atmosphere of an AGB star (Original 12 DinA4 pages)
  Bernd Freytag, Susanne Höfner, 2003
  (Poster presented at the ``International Scientific Meeting of the Astronomische Gesellschaft'', September 15-19, 2003, Freiburg, Germany)
• Dynamic Model Atmospheres of Cool Giants
  Susanne Höfner, Rita Gautschy-Loidl, Bernhard Aringer, Walter Nowotny, Josef Hron, Bernd Freytag, 2004,
  Proc. of ESO Workshop on ``High Resolution Infrared Spectroscopy in Astronomy'', eds. Käufl H.U., Siebenmorgen R., Moorwood A., ESO Astrophysics Symposia, Springer, in press
• Synthetic line profiles from numerical simulations of a red supergiant , (not in the) proceedings
  Bernd Freytag, Michelle Mizuno-Wiedner, Bengt Gustafsson, 2005
  (Poster presented at the Meeting "Cool Stars, Stellar Systems and the Sun 13", July 5-9, 2004, Hamburg, Germany)
• The shock-patterned solar chromosphere in the light of ALMA , proceedings
  Sven Wedemeyer-Böhm, Hans-Günter Ludwig, Matthias Steffen, Bernd Freytag, Hartmut Holweger, 2005
  (Poster presented at the Meeting "Cool Stars, Stellar Systems and the Sun 13", July 5-9, 2004, Hamburg, Germany)
• 3D Simulation of Surface Convection and Spectral Line Formation in A-type Stars , proceedings
  Matthias Steffen, Bernd Freytag, Hans-Günter Ludwig, 2005
  (Poster presented at the Meeting "Cool Stars, Stellar Systems and the Sun 13", July 5-9, 2004, Hamburg, Germany)
• Convection, Atmospheres, and Winds of Red Supergiant Stars, proceedings
  Eric Josselin, Bertrand Plez, Bernd Freytag, 2005
  (Poster presented at the Meeting "Cool Stars, Stellar Systems and the Sun 13", July 5-9, 2004, Hamburg, Germany)
• Simulations of magnetohydrodynamics and CO formation from the convection zone to the chromosphere
  Sven Wedemeyer-Böhm, Werner Schaffenberger, Oskar Steiner, Matthias Steffen, Bernd Freytag, Inga Kamp,
  in "Chromospheric and Coronal Magnetic Fields", Max Planck Institute for Solar System Research, Katlenburg-Lindau, Germany, 2005
• Magnetohydrodynamic simulation from the convection zone to the chromosphere
  Werner Schaffenberger, Sven Wedemeyer-Böhm, Oskar Steiner, Bernd Freytag, 2005
  in "Chromospheric and Coronal Magnetic Fields", Max Planck Institute for Solar System Research, Katlenburg-Lindau, Germany, 2005
• Radiative transfer in snapshots of 3D radiative hydrodynamic models of red supergiants
  Andrea Chiavassa, Bertrand Plez, Eric Josselin, Bernd Freytag, 2005
  presented at the GRETA workshot in Frejus, France, 2005
• Hidden extra dimensions in dusty stellar winds
  Susanne Höfner, Bernd Freytag, 2005
  Poster presented at the "Astronomdagar 2005" in Uppsala
• Formation of convective structures in stellar atmospheres
  Bernd Freytag, Hans-Günter Ludwig, 2007
  Poster presented at "Structure formation in the universe" in Chamonix
• Convective mixing and dust clouds in the atmospheres of brown dwarfs
  Bernd Freytag, France Allard, Hans-Günter Ludwig, Derek Homeier, Matthias Steffen, Christopher Sharp, 2008
  Poster presented in Paris, St Andrews, Heidelberg

Some Talks

• Lund 2001, "Boiling Stars"
• Stockholm 2001, Astrophysical Flows
• Hawaii 2002, SPIE: Astronomical Telescopes and Instrumentation
• Uppsala 2003, SweGrid: "Radiation Hydrodynamics Simulations of a Red Supergiant Star"
• Lund 2003, Astronomdagar
• Hamburg 2004, CS13
• Poprad 2004, IAUS224: A-star puzzle: "Numerical simulations of convection in A-stars"
• Aussois 2004, Ecole de Physique Stellaire: "Convection dans les étoiles géantes"
• Los Alamos 2005, Stellar Hydro Days
• Uppsala 2005, Astronomdagar
• Freiburg 2006, CO5BOLD workshop: "CO5BOLD: Global structure, history, and motivation"
• Freiburg 2006, CO5BOLD workshop: "Red Supergiants and AGB stars"
• Freiburg 2006, CO5BOLD workshop: "Short-characteristics radiative transfer"
• Lyon 2008, HD workshop: "Convection in Cepheids: 2D time-explicit RHD Simulations with CO5BOLD"
• St Andrews 2008, CS15: "Convective mixing and dust clouds in the atmospheres of brown dwarfs"
• Paris 2008, Molecules in the Atmospheres of Extrasolar Planets: "Radiation hydrodynamics simulations of dust clouds in the atmospheres of substellar objects"
• Goutelas, 2009, Workshop on Interferometry Imaging WII09: "Granulation in late-type stars due to large convective cells"
• Rio de Janeiro 2009, JD10 at IAU XXVII GA: "Simulations of dust clouds in the atmosphere of substellar objects -- theory toddles after observations"

PhD thesis as gzipped postscript file:

• Konvektion und Pulsationen in A-Sternen und Weißen Zwergen vom Typ DA
  Bernd Freytag, 1995
  (PhD thesis, Kiel, in German)

Master thesis of Sigurdur Finnsson

• Convection Cells in a 3D Hydrodynamical Model of Betelgeuse (PS), (PDF version)
  Sigurdur Finnsson, 2003
  (master thesis, Uppsala)

Published Publications

• My publications on ADS.

Homepage of Bernd Freytag / Homepage of the Astronomical Observatory