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Updated: May 12, 2026

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Published on: April 23, 2021
High-resolution study of 13C16O A-X(v' = 0-9) bands using the VUV-FTS at SOLEIL: revised term values
Lisseth Gavilan1, Jean Louis Lemaire, Michèle Eidelsberg
1Observatoire de Paris , 5 place Jules Janssen, 92195 Meudon, France.
Abstract:
We present high-resolution absorption spectral measurements of the A(1)Π-X(1)Σ(+) band system of (13)C(16)O. These were recorded with the VUV Fourier transform spectrometer (VUV-FTS) installed on the DESIRS beamline at the SOLEIL synchrotron. This work includes revised term values that extend to higher J' values than previous measurements for most v' levels and lower J' values for v' = 0. We confirm previously observed perturbations of the rotational levels in greater detail and present evidence for new perturbations. The accuracy in the wavelength determination and term values is on average within 0.01 cm(-1), improving upon previous measurements.
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