The Cologne Database for Molecular Spectroscopy, CDMS

The computer-accessible Cologne Database for Molecular Spectroscopy (CDMS) contains a catalog of radio frequency and microwave to far-infrared spectral lines of atomic and molecular species that (may) occur in the interstellar or circumstellar medium or in planetary atmospheres. The catalog is continuously updated and is primarily intended to supplement existing data bases such as the JPL or NIST catalogs. Presently it contains entries for 111 species. Other sections of the database include information on the programs used for fitting spectra and creating the catalog entries, along with detailed information on some spectroscopy projects performed at the university of Cologne and a list of known inter- and circumstellar molecules. The database can be accessed online free of charge via http://www.ph1.uni-koeln.de/vorhersagen/ or alternatively via the short-cut http://www.cdms.de.