My scientific work is mainly concerned with the distribution of gas and dust in the interstellar medium of the Milky Way and with the physical conditions therein.

Find my list of recent publications.

And finally, there is some simple mathematical problem for you to solve, if you like.

If you have seen enough on this site, I have compiled a small composition of links that may be of interest to you...

You may also go back/forward to the homepages of

• the Argelander Institute for Astronomy (AIfA)
• the University of Bonn

You are encouraged to use PGP / GnuPG-based encryption when communicating with me via email.

Get my GnuPG public key here (or at any public key server closeby).