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Using a high resolution atmospheric absorption spectrum recorded at Kitt Peak with the solar Fourier transform spectrometer, it has been possible to observe the quadrupole transitions S7 to S16 of the 1 ← 0 band of N2. The analysis of the equivalent widths and of the central depths of these lines has enabled us to determine the derivative of the quadrupole moment (∂Q/∂r)e = (0.94 ± 0.05) ea 0 and to estimate the broadening coefficient by air γ0N2-air = 0.06 ± 0.02 cm-1 atm.-1 at 296 K. Finally the assignment of telluric lines between 2 391.5 and 2 467 cm-1 is also given.
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Camy‐Peyret et al. (1981) studied this question.
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