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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

Rotational Spectroscopy of Thioformaldehyde

Rotational Spectroscopy of Thioformaldehyde

Our article on the four lowest vibrational states of H2CS and H2C34S is a textbook example of Coriolis interaction.
Isobutene detected in Space

Isobutene detected in Space

Our paper on the analysis and detection of Isobutene is now accepted and available.
Kick-Off Meeting for new CRC 1601

Kick-Off Meeting for new CRC 1601

Our group is part of the new CRC 1601 which started at the beginning of October with a first kick-off meeting.
New Ion Detection in Space

New Ion Detection in Space

Our experimental measurements confirm the presence of a new hydrocarbon ion, H2C3H+, in the cold molecular cloud TMC-1.
HRMS 2023 in Dijon

HRMS 2023 in Dijon

The HRMS was a great opportunity to meet with friends and colleagues to disucss exciting science.
New Article on Ion Spectroscopy

New Article on Ion Spectroscopy

High-resolution rovibrational and rotational spectroscopy of the singly deuterated cyclopropenyl cation, c-C3H2D+

More highlights can be found in the highlights archive.