A Concise New Look at the l-Type Spectrum of H12C14N

Details A Concise New Look at the l-Type Spectrum of H12C14N A Concise New Look at the l-Type Spectrum of H12C14N

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003apj...585l.163t&link_type=abstract

The Astrophysical Journal, Volume 585, Issue 2, pp. L163-L165.

Astronomy and Astrophysics

Astronomy

7

Methods: Laboratory, Molecular Data, Techniques: Spectroscopic

Scientific paper

In response to our recent astrophysical discovery of highly excited circumstellar H12C14N gas via direct l-type transitions, we have conducted comprehensive and precise laboratory measurements of those transitions (v2=1, ΔJ=0). The newly measured transitions cover the J-values from 15<=J<=35 and span the frequency range from 53 to 279 GHz. In addition, these new laboratory data are complemented by precision recordings of three medium ΔJ=1 (R-branch) transitions with J=19, 20, and 21 near 2 THz in the ground vibrational and the v2=1 bending state. Third, we supply the v2=1 vibrational satellites between 440 and 980 GHz of 5<=Ju<=11. The latter measurements were carried out in sub-Doppler resolution. All these new data are highly relevant to astrophysics.

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