- Flare Stars, Proxima Centauri.
- Formation of Low Mass Stars in Cooling Flow Galaxies.
Planetary, stellar and galactic dynamics.
Stellar populations.
Nature of dark matter.
I also worked on
Publications:
Conference Organisation:
- Tidal Dwarf Galaxies: Ghosts from structure formation (TDGBonn) ; May 24-29, 2009, Physics Centre in Bad Honnef
- Modelling and Observing Dense Stellar Systems (MODEST8) ; 8th annual MODEST and 4th annual RSDN meeting, December 2007
- The Milky Way Halo - Stars and Gas; an international meeting to commemorate the retirement Prof.Dr.Klaas de Boer, May/June 2007
Grape6 supercomputers at the Sternwarte
Related N-BODY Sites:
- Sverre Aarseth (IoA, Cambridge, UK)
- Rainer Spurzem (ARI, Heidelberg, Germany)
Duties: (in addition
to teaching)
- Member of IMPRS selection committee (since 2008).
- Chair of committee for Bonn-University physics graduate-student support (since 2007).
- Chair of AIfA room commission to restructure the institute (since 2007).
- Member of grant-review panel for Science Foundation Ireland (2007-2009).
- Member of ASTRONET Panel C (2006/2007).
- Various search committees for professor positions at the University of Bonn.
- Member of various international PhD committees (Utrecht, Toulouse, Geneva).
- Chair of various PhD committees.