Prof. Dr. Stephan Schlemmer
Laboratory Astrophysics & Spectroscopy
In the Laboratory Astrophysics Group we investigate the quantum physics of interstellar molecules. We develop special spectroscopic techniques to hunt for new molecules in the laboratory and in space.
Contact information:
Phone: +49 221 / 470 7880
E-mail: schlemmer (at) ph1.uni-koeln.de
Consultation hours
Upon agreement in Room 306 in the I. Institute of Physics, University of Cologne
Recent Highlights
Investigations of ¹³CH₃CN and CH₃¹³CN up to v₈ = 2
We used rotational spectroscopy as a tool to study vibration–rotation interaction at the example of ¹³CH₃CN and CH₃¹³CN.
CH₃CNH⁺ Paper Available Now
An entangled Fermi system of CH₃CNH⁺ is presented in our latest paper.
17O-Methanol in Space
Our paper on methanol with 17O appeared featuring inter alia a tentative detection toward Sagittarius B2(N) with ALMA.
Paper on CH3OD Published
You can now read about our collaboration on the analysis of CH3OD with a reanalysis of CH3OD toward IRAS 16293–2422.
Paper on EthylCP Published
Our analysis of the rotational spectrum of EthylCP is now published. Similar to EthylCN, just with a P.
Different Talks @ ISMS 2024
Some of our group members contributed to ISMS 2024 with topics seen on this cake very tasty cake.
More highlights can be found in the highlights archive.