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2003ApJ...590L.123S - Astrophys. J., 590, L123-L126 (2003/June-3)

Accurate laboratory wavelengths of the vacuum ultraviolet A(v'=3)-X(v''=0) band of 12C17O and 12C18O.

STEINMANN C.M., ROHWER E.G. and STAFAST H.

Abstract (from CDS):

Six individual rotational lines (J''≤3) of 12C17O, as well as four of 12C18O, were detected in the A1Π(v'=3)-X1Σ+(v''=0) vibronic band, and their wavelengths determined using neighboring 12C16O and 13C16O lines as reference. The measurements (fluorescence excitation spectra) were performed in a pulsed supersonic jet (Ar or Ne as carrier gas) employing a tunable pulsed vacuum ultraviolet radiation source with a narrow bandwidth (∼5 GHz). The new spectral data on 12C17O and 12C18O are applied to the interpretation of recent vacuum ultraviolet observations of 12C17O and 12C18O in the interstellar medium.

Abstract Copyright: ∼

Journal keyword(s): ISM: Molecules - Methods: Laboratory - Molecular Data - Ultraviolet: General

Errata: erratum vol. 591, p. L167 (2003)

Simbad objects: 1

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