====== Weblinks ======

Home page of the [[https://www.astro.uni-koeln.de|I. Physikalisches Institut der Universität zu Köln]]

The [[https://astro.uni-koeln.de/schlemmer.html|laboratory spectroscopy]] page

Some spectroscopy groups and persons:

  * Universität Kassel, Germany; Thomas Giesen.
  * Polska Akademia Nauk (Polish Academy of Sciences); Zbigniew Kisiel's [[http://info.ifpan.edu.pl/~kisiel/prospe.htm|Programs for ROtational SPEctroscopy, PROSPE]].
  * The [[http://www.sci.u-toyama.ac.jp/phys/4ken/atlas/|Toyama Microwave Atlas]] for spectroscopists and astronomers by Kaori Kobayashi et al.
  * University of Alberta, Edmonton, AB, Canada; Wolfgang Jäger.
  * [[https://www.cfa.harvard.edu/amp/mccarthygroup/|Spectroscopy Group]], Harvard University; Mike McCarthy, Pat Thaddeus et al.
  * Shizuoka University, Japan; Toshiaki Okabayashi's Home Page for Microwavers.
  * University of Alberta, Edmonton, AB, Canada; Yunjie Xu.

[[http://www.vamdc.org|The Virtual Atomic and Molecular Data Centre (VAMDC)]]

The [[https://spec.jpl.nasa.gov|JPL millimeter and submillimeter spectroscopy]] page

  * [[http://spec.jpl.nasa.gov/ftp/pub/catalog/catdir.html|The JPL catalog]]
  * The JPL catalog [[https://spec.jpl.nasa.gov/ftp/pub/catalog/catform.html|search form]]

NIST Physical Reference Data.

The NIST recommended rest frequencies [[https://physics.nist.gov/cgi-bin/micro/table5/start.pl|search form]]

The [[https://www.cfa.harvard.edu/HITRAN/|HITRAN]] database.

The GEISA database.

The [[http://www.exomol.com|ExoMol]] database.

Dave Woon's [[http://www.astrochymist.org|Astrochymist]] web page.

Astrophysics Data System abstract and article service [[http://cdsads.u-strasbg.fr/abstract_service.html|at CDS]] or [[https://ui.adsabs.harvard.edu|at ESO]].

PSIgate Physical Sciences Information Gateway.