How Can We Use Complete Experimental Catalogs in the Complex Spectra Limit?

Details How Can We Use Complete Experimental Catalogs in the Complex Spectra Limit? How Can We Use Complete Experimental Catalogs in the Complex Spectra Limit?

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011iaus..280e..58d&link_type=abstract

The Molecular Universe, Proceedings of the 280th Symposium of the International Astronomical Union held in Toledo, Spain, May 30

Astronomy and Astrophysics

Astrophysics

Scientific paper

There is a broad consensus that many, if not most, of the unidentified spectral lines in astrophysical spectra are due to transitions in excited vibrational states of a relatively small number of molecules, the astrophysical weeds. For these unidentified lines, it is somewhat less well understood that the traditional catalog approach is substantially more difficult because of significant perturbations among the excited states. We have previously discussed a new experimental approach that addresses this challenge. This approach does not require the time prohibitive assignment and quantum mechanical analysis of the traditional catalog method. Rather, it is based on the analysis of many complete intensity calibrated spectra taken over a range of temperatures. However, the spectroscopic completeness of this approach results in a much larger database. These data can be transfer to the astrophysical community in a variety of ways, but because an order of magnitude larger number of lines is included, consideration must be given to implementation strategies. Feedback from the astrophysical community will be solicited.

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